Metadata: Identification_Information: Citation: Citation_Information: Originator: Reger, R.D. Originator: Hubbard, T.D. Originator: Carver, G.C. Publication_Date: 201111 Title: Surficial geology of Alaska Highway Corridor, Robertson River to Tetlin Junction, Alaska Geospatial_Data_Presentation_Form: document, map sheets and vector digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2009-6A Publication_Information: Publication_Place: Fairbanks, Alaska - USA Publisher: State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys Other_Citation_Details: 4 sheets. 1:63,360 scale Online_Linkage: http://dx.doi.org/10.14509/19741 Description: Abstract: During 2008-2010, the Alaska Division of Geological & Geophysical Surveys continued a program, begun in 2006, of reconnaissance mapping of surficial geology in the proposed natural-gas pipeline corridor through the upper Tanana River valley, a 12-mi-wide (19.3-km-wide) area that straddles the Alaska Highway through the upper Tanana River valley from the western boundaries of the Tanacross B-6 and C-6 Quadrangles near the mouth of the Robertson River eastward to the eastern boundaries of the Tanacross A-4 and B-4 Quadrangles near Tetlin Junction. Mapping during 2008-2010 in the Tanacross Quadrangle linked with mapping of surficial geology completed in the Big Delta and Mt. Hayes quadrangles in 2006-2007. Surficial geology was initially mapped in this second corridor segment by interpreting ~1:65,000-scale, false-color, infrared aerial photographs taken in July 1978, August 1980, and July 1983.Verification of photo mapping was accomplished during the 2008-2010 summer field season, when map units were described, soil pits were hand dug, and samples were collected for analyses. Purpose: The Alaska Division of Geological & Geophysical Surveys conducted this project, funded by the state legislature, to evaluate the geology, geohazard and material resources along the Alaska Highway corridor from Delta Junction to the Canada border. This was in preparation for a proposed natural gas pipeline, so that a baseline of geologic data would be publicly available upon which preliminary decisions could be made. The work was designed to serve as the springboard for the detailed work which would be required if a pipeline were to be built along this corridor. Supplemental_Information: The DGGS metadata standard extends the FGDC standard to also include elements that are required to facilitate our internal data management. These elements, referred to as 'layers', group and describe files that have intrinsic logical or topological relationships. Each layer is listed and described in detail under its own heading starting 'Entity_Type_Label'. Layers include: >surf_geology polygons of surficial-geologic map units >fault_features trace of known active faults discussed in Carver and others, 2010 >border outline shape of the study area >localities location of soil pits, radiocarbon samples, map localities and ventifact locality discussed in the text Time_Period_of_Content: Time_Period_Information: Multiple_Dates/Times: Single_Date/Time: Calendar_Date: 197807 Single_Date/Time: Calendar_Date: 198008 Single_Date/Time: Calendar_Date: 198307 Currentness_Reference: ground condition Status: Progress: In work Maintenance_and_Update_Frequency: Unknown Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -144.0 East_Bounding_Coordinate: -142.50000 North_Bounding_Coordinate: 63.741146 South_Bounding_Coordinate: 63.166099 Keywords: Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: geoscientificInformation Theme: Theme_Keyword_Thesaurus: Alaska Division of Geological & Geophysical Surveys Theme_Keyword: Dunes Theme_Keyword: Eolian Theme_Keyword: Geologic Hazards Theme_Keyword: Geologic Map Theme_Keyword: Geologic Materials Theme_Keyword: Geological Process Theme_Keyword: Geology Theme_Keyword: Geomorphology Theme_Keyword: Glacial Deposits Theme_Keyword: Moraines Theme_Keyword: Glacier Outburst Flood Theme_Keyword: Proposed Natural Gas Pipeline Theme_Keyword: Remote Sensing Theme_Keyword: Surficial Geology Theme_Keyword: Surficial Theme_Keyword: Transportation Corridor Theme_Keyword: Unconsolidated Deposits Place: Place_Keyword_Thesaurus: Alaska Division of Geological & Geophysical Surveys Place_Keyword: Alaska Highway Corridor Place_Keyword: Alaska Range Place_Keyword: Alaska, State of Place_Keyword: Dot Lake Place_Keyword: Robertson River Place_Keyword: Tanacross Place_Keyword: Tanacross Quadrangle Place_Keyword: Taylor Highway Place_Keyword: Tok Place_Keyword: Tok River Stratum: Stratum_Keyword_Thesaurus: Alaska Division of Geological & Geophysical Surveys Stratum_Keyword: Delta Glaciation Stratum_Keyword: Donnelly Glaciation Temporal: Temporal_Keyword_Thesaurus: Alaska Division of Geological & Geophysical Surveys Temporal_Keyword: Pleistocene Temporal_Keyword: Quaternary Temporal_Keyword: Holocene Access_Constraints: This report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below). Use_Constraints: Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. User specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys Contact_Position: GIS Data Manager/Cartographer Contact_Address: Address_Type: mailing and physical Address: 3354 College Road City: Fairbanks State_or_Province: AK Postal_Code: 99709-3707 Contact_Voice_Telephone: (907) 451-5029 Contact_Voice_Telephone: (907) 451-5020 Contact_Facsimile_Telephone: (907) 451-5050 Contact_Electronic_Mail_Address: dggspubs@alaska.gov Contact_Instructions: You may view our web site at http://www.dggs.alaska.gov for the latest information on available data.Please e-mail your questions and data requests when possible since our web site and e-mail address will remain current even if our phone number and mailing address change. Data_Set_Credit: This research was supported by Alaska State Capital Improvement Projects funding. The authors gratefully acknowledge the helpful review by De Anne Stevens and Diana Solie as well as able cartographic assistance by Patricia Gallagher, Rachel Westbrook, James Weakland, and Gail Davidson. Much of the work was carried out under the direction of Diana Solie and her leadership was greatly appreciated. Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 10; ESRI ArcGIS 10 Cross_Reference: Citation_Information: Originator: Reger, R.D. Originator: Hubbard, T.D. Publication_Date: 2010 Title: Reconnaissance interpretation of 1978-1983 permafrost, Alaska Highway Corridor, RobertsonRiver to Tetlin Junction, Alaska Geospatial_Data_Presentation_Form: document,map sheets and vector digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2009-6C Publication_Information: Publication_Place: Fairbanks, AK, USA Publisher: State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys Other_Citation_Details: 4 sheets, 1:63,360 scale. Online_Linkage: http://dx.doi.org/10.14509/14447 Cross_Reference: Citation_Information: Originator: Hubbard, T.D. Originator: Reger, R.D. Publication_Date: 2010 Title: Engineering-geologic map of the Alaska Highway Corridor, Robertson River to Tetlin Junction, Alaska Geospatial_Data_Presentation_Form: map sheets, table and vector digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2009-6B Publication_Information: Publication_Place: Fairbanks, Alaska - USA Publisher: State of Alaska, Department of Natural Resources, Other_Citation_Details: 4 sheets 1:63,360 scale Online_Linkage: http://dx.doi.org/10.14509/19742 Cross_Reference: Citation_Information: Originator: Reger, R.D. Originator: Stevens, D.S.P. Originator: Solie, D.N. Publication_Date: 2008 Title: Surficial-geologic map, Alaska Highway Corridor, Delta Junction to Dot Lake, Alaska Geospatial_Data_Presentation_Form: documents, map sheets and vector digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2008-3A Publication_Information: Publication_Place: Fairbanks, AK, USA Publisher: Alaska Division of Geological & Geophysical Surveys Other_Citation_Details: 2 sheets, scale 1:63,360 Cross_Reference: Citation_Information: Originator: Reger, R.D. Originator: Solie, D.N. Publication_Date: 2008 Title: Engineering-geologic map, Alaska Highway Corridor, Delta Junction to Dot Lake, Alaska Geospatial_Data_Presentation_Form: document map sheets and vector digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2008-3B Publication_Information: Publication_Place: Fairbanks, AK, USA Publisher: Alaska Division of Geological & Geophysical Surveys Other_Citation_Details: 2 sheets, scale 1:63,360 Cross_Reference: Citation_Information: Originator: Reger, R.D. Originator: Solie, D.N. Publication_Date: 2008 Title: Reconnaissance interpretation of permafrost, Alaska Highway Corridor, Delta Junction to Dot Lake, Alaska Geospatial_Data_Presentation_Form: document, map sheets and vector digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2008-3C Publication_Information: Publication_Place: Fairbanks, AK, USA Publisher: State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys Other_Citation_Details: 10 p., 2 sheets, scale 1:63,360 Online_Linkage: http://dx.doi.org/10.14509/17621 Cross_Reference: Citation_Information: Originator: Carver, G.A. Originator: Bemis, S.P. Originator: Solie, D.N. Originator: Castonguay, S. Originator: Obermiller, K.E. Publication_Date: 2010 Title: Active and potentially active faults in or near the AlaskaHighway Corridor, Dot Lake to Tetlin Junction, Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2010-1 Publication_Information: Publication_Place: Fairbanks , Alaska Publisher: Alaska Division of Geological & Geophysical Surveys Cross_Reference: Citation_Information: Originator: Carver, G.A. Originator: Bemis, S.P. Originator: Solie, D.N. Originator: Obermiller, K.E. Publication_Date: 200812 Title: Active and potentially active faults in or near the Alaska Highway corridor, Delta Junction to Dot Lake, Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: preliminary interpretive report Issue_Identification: PIR 2008-D Publication_Information: Publication_Place: Fairbanks, AK Publisher: Alaska Division of Geological & Geophysical Surveys Other_Citation_Details: 32 p. Cross_Reference: Citation_Information: Originator: Reger, R.D. Originator: Hubbard, T.D. Publication_Date: 200910 Title: Evidence for late Wisconsinan outburst floods in the Tok-Tanacross Basin. upper Tanana River Valley, east-central Alaska (abs); Geological Society of America Abstracts with Programs Geospatial_Data_Presentation_Form: abstract Series_Information: Series_Name: Geological Society of America Abstracts with Programs Issue_Identification: V. 41, No. 7 Publication_Information: Publication_Place: Boulder, CO Publisher: Geological Society of America Other_Citation_Details: p. 637 Cross_Reference: Citation_Information: Originator: Hubbard, T.D. Originator: Reger, R.D. Publication_Date: 201010 Title: Model for Late Wisconsinan Massive Outburst Flooding, Tok River Valley, Northeastern Alaska Range Geospatial_Data_Presentation_Form: Abstract Series_Information: Series_Name: Geological Society of America Abstracts with Programs Issue_Identification: vol. 42, No. 5 Publication_Information: Publication_Place: Boulder, CO Publisher: Geological Society of America Other_Citation_Details: 703 p. Abstract on p. 310 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Soil colors were described using the Munsell soil color charts. The Wentworth scale was used for grain size classification. Soil horizon descriptions in the map area used the U.S. Soil Conservation Service soil taxonomy (Soil Survey Staff, 1975). Sediment samples were collected for sieve analysis and radiocarbon age dating. Analytical data described above were utilized in developing the geologic interpretations presented in this report. The accuracy of the map unit boundary locations vary due to the scale and interpretive nature of the mapping but are expected to be accurate to at least 50 ft. Map units labeled with a "?" are considered to have an uncertain assignation. Information from previous geologic reports was incorporated during the interpretation process. To check attribute accuracy of the digital files we visually compared the original compilation against test plots of the files and corrected discrepancies between the digital geospatial dataset and the original analog as needed. The geologic interpretations presented in this report have undergone two technical reviews by a geologist familiar with the subject of the report and the geology of the map area. We incorporated the reviewer's suggestions into the final draft when deemed appropriate. Logical_Consistency_Report: Polygon topology is present and clean on the originating geospatial dataset. All polygon features were topologically validated using the ESRI ArcGIS 10+ software prior to export to shape file format. The logical consistency of the point and line files has been visually checked but not systematically verified. Completeness_Report: This dataset includes shapefiles that contain information surficial geologic units and fault traces mapped in this area. This data set utilizes field observations and air photo interpretations. It includes geospatial information about units traceable on air photos at a scale of ~1:65000 and/or in the field. The dataset displays: surficial geologic units and contacts, inferred geologic contacts, fault traces and point localities discussed in the text. Subsurface data available for this investigation include: about 10-15 soil pits dug to depths no more than 1.3 m; observations of exposures in gravel pits, highway cuts, and river bank; and several trench exposures excavated as part of work for an ADGGS preliminary interpretive report describing active faulting in this area. The active faults shown on the map sheets are more fully described in an ADGGS preliminary Interpretive Report by Carver and other (2010). Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: The surficial interpretations were first hand-drawn, using a magnifying stereoscope, onto acetate air-photo overlays at the scale of the air-photos (approximately 1:63,360-scale). The accuracy of the map unit boundary locations varies due to the scale and interpretive nature of the mapping and pen line width of approximately 0.001 meters which is equivalent to approximately 1.5 meters on the ground. The hand drawn map unit boundaries are expected to be accurate to at least 15 meters. Following interpretation, acetate overlays were then individually scanned, orthorectified and georeferenced using Orthomapper, v. 3.6. The air-photos were orthorectified, photo-mosaiced and georeferenced. Surficial unit boundaries were digitized on-screen into ArcGIS from the orthorectified overlays at a scale more detailed than 1:63,360, using a combination of a USGS topographic 1:63.360 map layer and the air-photo photomosaic layer to verify the position of the lines and points. Map error is induced by: (1) Scanning and orthorectifying air photos and overlays. The digitizing RMS error is generally constrained to be less than 4 pixels, equating to approximately 20 m on the ground, although some areas with rugged terrain have larger errors. 2) On-screen digitizing from orthorectified overlays. The accuracy of the human operator digitizing polylines and point localities is related to the accuracy of interpretations from the orthorectified photos and overlays. Total horizontal accuracy of the mapped surficial-geologic contacts is thus on the order of 25 m or better, with somewhat lesser accuracy expected in areas of rugged relief. Coordinates of soil pits, radiocarbon sampling localities, and other field sites that are discussed in the text were recorded using a Garmin GPS model 76CSx with an estimated precision generally less than 10 meters. Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Value: 25 Horizontal_Positional_Accuracy_Explanation: mapped surficial-geologic contacts Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Value: 10 Horizontal_Positional_Accuracy_Explanation: soil pits and radiocarbon localities Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Kreig, R.A. Originator: Reger, R.D. Publication_Date: 1976 Title: Preconstruction terrain evaluation for the trans-Alaska pipeline project Geospatial_Data_Presentation_Form: book chapter Publication_Information: Publication_Place: Stroudsburg Publisher: Dowden, Hutchinson, and Ross Other_Citation_Details: p. 55-76 Larger_Work_Citation: Citation_Information: Originator: Coates, D.R. Publication_Date: 2011 Title: Geomorphology and engineering Geospatial_Data_Presentation_Form: document Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1976 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Kreig and Reger, 1976 Source_Contribution: Contains terrain evaluation for trans-Alaska oil pipeline Source_Information: Source_Citation: Citation_Information: Originator: Kreig, R.A. Originator: Reger, R.D. Publication_Date: 1982 Title: Air-photo analysis and summary of landform soil properties along the route of the Trans-Alaska Pipeline System Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Geologic Report Issue_Identification: GR-66 Publication_Information: Publication_Place: Fairbanks AK Publisher: Alaska Division of Geological & Geophysical Surveys Other_Citation_Details: 149 p. Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1982 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Kreig and Reger, 1982 Source_Contribution: Contains air-photo analysis and landform soil properties for trans-Alaska oil pipeline Source_Information: Source_Citation: Citation_Information: Originator: Péwé, T.L. Originator: Reger, R.D. Publication_Date: 1983 Title: Middle Tanana River valley Geospatial_Data_Presentation_Form: book chapter Series_Information: Series_Name: Guidebook Issue_Identification: Guidebook 1 Publication_Information: Publication_Place: Fairbanks AK Publisher: Alaska Division of Geological & Geophysical Surveys Other_Citation_Details: in Péwé, T.L., and Reger, R.D., eds., Guidebook to permafrost and Quaternary geology along the Richardson and Glenn Highways between Fairbanks and Anchorage, Alaska, p. 5-45 Larger_Work_Citation: Citation_Information: Originator: Péwé, T.L., ed. Originator: Reger, R.D., ed. Publication_Date: 1983 Title: Guidebook to permafrost and Quaternary geology along the Richardson and Glenn Highways between Fairbanks and Anchorage, Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Guidebook Issue_Identification: Guidebook 1 Publication_Information: Publication_Place: Fairbanks AK Publisher: Alaska Division of Geological & Geophysical Surveys Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1983 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Pewe and Reger, 1983 Source_Contribution: Contains information about Quaternary geology of Tanana Valley Source_Information: Source_Citation: Citation_Information: Originator: Carter, L.D. Originator: Galloway, J.P. Publication_Date: 1978 Title: Preliminary engineering geologic maps of the proposed natural gas pipeline route in the Tanana River valley, Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Open-file report Issue_Identification: OF 78-794 Publication_Information: Publication_Place: United States Publisher: U.S. Geological Survey Other_Citation_Details: 26 p., 3 map sheets, scale 1:125,000 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1978 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Carter and Galloway, 1978 Source_Contribution: Engineering geologic maps at 1:125,000 Source_Information: Source_Citation: Citation_Information: Originator: Carver, G.A. Originator: Bemis, S.P. Originator: Solie, D.N. Originator: Obermiller, K.E. Publication_Date: 200812 Title: Active and potentially active faults in or near the Alaska Highway corridor, Delta Junction to Dot Lake, Alaska Geospatial_Data_Presentation_Form: tabular digital data Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2008-3D Publication_Information: Publication_Place: Fairbanks AK Publisher: Alaska Division of Geological & Geophysical Other_Citation_Details: 32 p. Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2007 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Carver and others, 2008 Source_Contribution: Source of active faults in segment area just to east of present studyarea Source_Information: Source_Citation: Citation_Information: Originator: Duk-Rodkin, Alejandra Originator: Barendregt, R.W. Originator: Froese, D.G. Originator: Weber, Florence Originator: Enkin, Randy Originator: Smith, I.R. Originator: Waters, Pamela Originator: Klassen, Rudy Publication_Date: 2004 Title: Timing and extent of Plio-Pleistocene glaciations in northwestern Canada Geospatial_Data_Presentation_Form: book chapter Series_Information: Series_Name: Development in Quaternary Science Issue_Identification: v.2 Publication_Information: Publication_Place: New York Publisher: Elsevier Other_Citation_Details: p. 313-345 Larger_Work_Citation: Citation_Information: Originator: Ehlers, J. Originator: Gibbard, P.L. Publication_Date: 2004 Title: Quaternary glaciations-extent and chronology, part II: North America Geospatial_Data_Presentation_Form: book chapter Series_Information: Series_Name: Development in Quaternary Science Issue_Identification: v. 2 Publication_Information: Publication_Place: New York Publisher: Elsevier Other_Citation_Details: p. 313-345 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2004 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Duk-Rodkin and others, 2004 Source_Contribution: Information about timing of glaciation in Canada and Alaska Source_Information: Source_Citation: Citation_Information: Originator: Hamilton, T.D. Publication_Date: 1994 Title: Late Cenozoic glaciation of Alaska Geospatial_Data_Presentation_Form: book chapter Series_Information: Series_Name: Geology of North America Issue_Identification: v. G-1 Publication_Information: Publication_Place: United States Publisher: Geological Society of America Other_Citation_Details: p. 813-844 Larger_Work_Citation: Citation_Information: Originator: Plafker, George Originator: Berg, H.C. Publication_Date: 1994 Title: The Geology of Alaska Geospatial_Data_Presentation_Form: book chapter Series_Information: Series_Name: Geology of North America Issue_Identification: v. G-1 Publication_Information: Publication_Place: United States Publisher: Geological Society of America Other_Citation_Details: p. 813-844 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1994 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Hamilton, 1994 Source_Contribution: Late Cenozoic glaciation of Alaska Source_Information: Source_Citation: Citation_Information: Originator: Holmes, G.W. Publication_Date: 1965 Title: Geologic reconnaissance along the Alaska Highway, Delta River to Tok Junction, Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Bulletin Issue_Identification: B 1181-H Publication_Information: Publication_Place: United States Publisher: U.S. Geological Survey Other_Citation_Details: 19 p., 1 map sheet, scale 1:125,000. Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1965 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Holmes, 1965 Source_Contribution: Geologic reconnaissance along the Alaska Highway, Delta River to Tok Junction Source_Information: Source_Citation: Citation_Information: Originator: Mason, O.K. Originator: Begét, J.E. Publication_Date: 1991 Title: Late Holocene flood history of the Tanana River, Alaska Geospatial_Data_Presentation_Form: journal article Publication_Information: Publication_Place: United States Publisher: Arctic and Alpine Research Other_Citation_Details: v. 23, no. 4, p. 392-403. Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1991 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Mason and Beget, 1991 Source_Contribution: Holocene flooding in Tanana valley Source_Information: Source_Citation: Citation_Information: Originator: Péwé, T.L. Publication_Date: 1975 Title: Quaternary geology of Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Professional Paper Issue_Identification: P 835 Publication_Information: Publication_Place: United States Publisher: U.S. Geological Survey Other_Citation_Details: 145 p. Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1975 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Pewe, 1975 Source_Contribution: Quaternary geology of Alaska Source_Information: Source_Citation: Citation_Information: Originator: Weber, F.R. Publication_Date: 1986 Title: Glacial geology of the Yukon-Tanana Upland Geospatial_Data_Presentation_Form: book chapter Publication_Information: Publication_Place: Anchorage, Alaska Publisher: Alaska Geological Society Other_Citation_Details: p. 79-98. Larger_Work_Citation: Citation_Information: Originator: Hamilton, T.D., ed. Originator: Reed, K.M., ed. Originator: Thorson, R.M., ed. Publication_Date: 1986 Title: Glaciation in Alaska; The geologic record Geospatial_Data_Presentation_Form: book chapter Publication_Information: Publication_Place: Anchorage, Alaska Publisher: Alaska Geological Society Other_Citation_Details: p. 79-98. Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1986 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Weber, 1986 Source_Contribution: Glacial geology of the Yukon-Tanana Upland Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1948 Title: Tanacross A-4 Quadrangle Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Other_Citation_Details: scale 1:63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: All Topo software Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1948 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: USGS Tanacross A-4, 1948- minor revisions 1973 Source_Contribution: base map Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1949 Title: Tanacross B-4 Quadrangle Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Other_Citation_Details: scale 1:63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: All Topo software Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1949 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: USGS Tanacross B-4, 1949- minor revisions 1994 Source_Contribution: base map Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1948 Title: Tanacross B-5 Quadrangle Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Other_Citation_Details: scale 1:63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: All Topo software Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1948 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: USGS Tanacross B-5, 1948- minor revisions 1994 Source_Contribution: base map Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1949 Title: Tanacross B-6 Quadrangle Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Other_Citation_Details: scale 1:63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: All Topo software Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1949 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: USGS Tanacross B-6, 1949- minor revisions 1970 Source_Contribution: base map Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1955 Title: Tanacross C-6 Quadrangle Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Other_Citation_Details: scale 1:63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: All Topo software Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1955 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: USGS Tanacross C-6, 1955- minor revisions 1982 Source_Contribution: base map Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: Unknown Title: Alaska High Altitude Photography Program Geospatial_Data_Presentation_Form: prints and digital files Publication_Information: Publication_Place: Unknown Publisher: U.S. Geological Survey Source_Scale_Denominator: 65000 Type_of_Source_Media: photographic print Source_Time_Period_of_Content: Time_Period_Information: Multiple_Dates/Times: Single_Date/Time: Calendar_Date: 198008 Single_Date/Time: Calendar_Date: 197807 Single_Date/Time: Calendar_Date: 198307 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: AHAP Aerial Photography Source_Contribution: Aerial photography used in map unit interpretation Source_Information: Source_Citation: Citation_Information: Originator: Carrara, P.E. Publication_Date: 2004 Title: Surficial Geologic map of the Tanacross B-6 Quadrangle, east-central Alaska Edition: version 1 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Scientific Investigations Issue_Identification: Map 2850 Publication_Information: Publication_Place: Denver, CO Publisher: US Geological Survey Other_Citation_Details: 1 map sheet Source_Scale_Denominator: 63360 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2004 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Carrara, 2004a Source_Contribution: Contains geologic information about the Tanacross B-6 Quadrangle Source_Information: Source_Citation: Citation_Information: Originator: Carrara, P.E. Publication_Date: 2004 Title: Surficial geologic map of the Tanacross B-5 Quadrangle, east-central Alaska Edition: version 1.0 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Scientific Investigations Issue_Identification: Map 2856 Publication_Information: Publication_Place: Denver, CO Publisher: US Geological Survey Other_Citation_Details: 1 sheet Source_Scale_Denominator: 63360 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2004 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Carrara, 2004b Source_Contribution: Contains geologic information about the Tanacross B-5 Quadrangle Source_Information: Source_Citation: Citation_Information: Originator: Carrara, P.E. Publication_Date: 2006 Title: Surficial geologic map of the Tanacross B-4,Quadrangle east-central Alaska Edition: version 1 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Scientific Investigations Issue_Identification: Map 2935 Publication_Information: Publication_Place: Denver, CO Publisher: U.S. Geological Survey Other_Citation_Details: 1 sheet- 63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2004 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Carrara, 2006 Source_Contribution: Contains geologic information about the tanacross B-4 Quadrangle Source_Information: Source_Citation: Citation_Information: Originator: Carver, G.A. Originator: Bemis, S.P. Originator: Solie, D.N. Originator: Castonguay, S.R. Originator: Obermiller, K.E. Publication_Date: 2010 Title: Active and potentially active faults in or near the Alaska Highway corridor, Dot Lake to Tetlin Junction Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: Preliminary Interpretive Report Issue_Identification: PIR 2010-1 Publication_Information: Publication_Place: Fairbanks, AK Publisher: Alaska Division of Geological & Geophysical Surveys Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2010 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Carver and others, 2010 Source_Contribution: Contains information about recent faulting activity in the area. Source_Information: Source_Citation: Citation_Information: Originator: Foster, H.L. Publication_Date: 1970 Title: Reconnaissance geologic map of the Tanacross Quadrangle, Alaska Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Geologic Investigations Map Issue_Identification: I-593 Publication_Information: Publication_Place: united states Publisher: U.S. Geological Survey Other_Citation_Details: 1 sheet Source_Scale_Denominator: 250000 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1970 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Foster, 1970 Source_Contribution: Contains geologic information about the Tanacross Quadrangle Source_Information: Source_Citation: Citation_Information: Originator: Foster, H.L. Originator: Keith, T.E.C. Publication_Date: 1969 Title: Geology along the Taylor Highway, Alaska Geospatial_Data_Presentation_Form: document Series_Information: Series_Name: U.S. Geological Survey Bulletin Issue_Identification: B 1281 Publication_Information: Publication_Place: United States Publisher: U. S. Geological Survey Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1969 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Foster and Keith, 1969 Source_Contribution: Contains information about geology along the Taylor Highway Source_Information: Source_Citation: Citation_Information: Originator: Grahek, M.E. Originator: Livingston, H.R. Publication_Date: 1983 Title: Alaska Department of Transportation and Public Facilities Engineering Geology Soils report - Centerline soils and materials sources, Mile Post 1346.7 to 1332.8, Alaska highway, Robertson River to Yerrick Creek, Project No. F-062-2(14) Geospatial_Data_Presentation_Form: document Publication_Information: Publication_Place: United States Publisher: Alaska Department of Transportation and Public Facilities Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1983 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Grahek and Livingston, 1983 Source_Contribution: Contains information about unconsolidated materials in the area Source_Information: Source_Citation: Citation_Information: Originator: Hemenway, K.T. Originator: Weaver, M. Publication_Date: 2009 Title: Alaska Department of Transportation and Public Facilities Foundation report - Alaska Highway bridges, Mile Post 1332.8 to 1346.7, Alaska Highway, Yerrick Creek to Robertson River, Project No. F-062-2(14) Geospatial_Data_Presentation_Form: document Publication_Information: Publication_Place: United States Publisher: Alaska Department of Transportation and Public Facilities Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1983 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Hemenway and Weaver, 1983 Source_Contribution: Contains information about unconsolidated materials in the area Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 1948 Title: Tanacross A-5 Quadrangle Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Other_Citation_Details: scale 1:63,360 Source_Scale_Denominator: 63360 Type_of_Source_Media: All Topo Software Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1949 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: USGS Tanacross A-5, 1949- minor revisions 1973 Source_Contribution: base map Process_Step: Process_Description: Aerial photograph interpretation - Stereo pairs of ~1:65000-scale, false-color infrared aerial photographs taken in July 1978, August 1980 and July 1983, as well as data from published and unpublished mapping of the target region and adjacent regions, were used to initially interpret and map the surficial geology. Unit boundaries were drawn by hand onto acetate overlays, using a magnifying stereoscope. Overlays were registered to aerial photos using tick marks on the photos. Source_Used_Citation_Abbreviation: Krieg and Reger, 1976 Source_Used_Citation_Abbreviation: Kreig and Reger, 1982 Source_Used_Citation_Abbreviation: Carter and Galloway, 1978 Source_Used_Citation_Abbreviation: Holmes, 1965 Source_Used_Citation_Abbreviation: AHAP Aerial Photography Source_Used_Citation_Abbreviation: Carrara, 2004a Source_Used_Citation_Abbreviation: Carrara, 2004b Source_Used_Citation_Abbreviation: Carrara, 2006 Source_Used_Citation_Abbreviation: Foster, 1970 Source_Used_Citation_Abbreviation: Foster and Keith, 1970 Source_Used_Citation_Abbreviation: Grahek and Livingston, 1983 Source_Used_Citation_Abbreviation: Hemenway and Weaver, 1983 Source_Used_Citation_Abbreviation: Pewe and Reger, 1983 Process_Date: 2008 Process_Step: Process_Description: Digital cartography - The acetate overlays were individually scanned and orthorectified, using Orthomapper, v. 3.6, and georeferenced. The air-photos were orthorectified, photomosaiced and georeferenced. Map unit boundaries were digitized on-screen into ArcGIS from the orthorectified overlays at a scale more detailed than 1:63,360, using a combination of a USGS topographic 1:63.360 map layer and the orthophotomosaic layer to verify the position of the lines. Surficial geology map polygons and lines were then edited and attributed using ArcMap 9+ Source_Used_Citation_Abbreviation: USGS Tanacross A-4, 1948 Source_Used_Citation_Abbreviation: USGS Tanacross A-5. 1949 Source_Used_Citation_Abbreviation: USGS Tanacross B-4, 1949 Source_Used_Citation_Abbreviation: USGS Tanacross B-5, 1948 Source_Used_Citation_Abbreviation: USGS Tanacross B-6, 1949 Source_Used_Citation_Abbreviation: USGS Tanacross C-6, 1955 Source_Used_Citation_Abbreviation: AHAP Aerial Photography Process_Date: 2008 Process_Step: Process_Description: Fieldwork - Reconnaissance field work was done in the summer of 2007 during which observations were recorded for use during aerial photograph interpretation. In July-August 2008, field work to verify aerial photograph interpretations was performed. In addition to observations from ground and helicopter traverses, several soil pits were dug using shovels to maximum depth of 1.3 meters to observe soil profiles, and observations of exposures along river banks, highway cuts, and trenches dug as part of active fault studies were recorded. Source_Used_Citation_Abbreviation: Pewe and Reger, 1983 Source_Used_Citation_Abbreviation: Carver and others, 2008 Source_Used_Citation_Abbreviation: Duk-Rodkin and others, 2004 Source_Used_Citation_Abbreviation: Hamilton, 1994 Source_Used_Citation_Abbreviation: Mason and Beget, 1991 Source_Used_Citation_Abbreviation: Pewe, 1975 Source_Used_Citation_Abbreviation: Weber, 1986 Source_Used_Citation_Abbreviation: Carver and others, 2010 Process_Date: 2008 Process_Step: Process_Description: Map compilation - The surficial geologic map was compiled using field notes from fieldwork process step (above), all known geologic data from previous work in the quadrangle and by additional aerial photographic interpretation. Changes to unit boundaries, after field work, were completed in ArcGIS. 9+. GIS files were exported and Adobe Illustrator and Microsoft Word were used to create the final map layout. Process_Date: 2011 Process_Step: Process_Description: Radiocarbon data - radiocarbon samples were collected during field work in the summer of 2008 by Dick Reger and Trent Hubbard. Samples were sent to Beta Analytic for analysis in early 2009 Process_Date: 2009 Process_Step: Process_Description: Metadata creation - Metadata were assembled by T.D. Hubbard and P.E. Gallagher to FGDC Standards using Metavist 1.2, DGGS 7.05, a data entry program for FGDC metadata with XML output. Process_Date: 2011 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 7 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -141 Latitude_of_Projection_Origin: 0 False_Easting: 500000 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.0000001 Ordinate_Resolution: 0.0000001 Planar_Distance_Units: meters Planar_Coordinate_Layer_Name: surf_geology Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 7 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -141.00000 Latitude_of_Projection_Origin: 0 False_Easting: 500000.0 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.0000001 Ordinate_Resolution: 0.0000001 Planar_Distance_Units: meters Planar_Coordinate_Layer_Name: fault_features Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 7 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -141.00000 Latitude_of_Projection_Origin: 0 False_Easting: 500000.0 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.0000001 Ordinate_Resolution: 0.0000001 Planar_Distance_Units: meters Planar_Coordinate_Layer_Name: border Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 7 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.996 Longitude_of_Central_Meridian: -141.0 Latitude_of_Projection_Origin: 0 False_Easting: 500000.0 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.0000000000000001 Ordinate_Resolution: 0.0000000000000000001 Planar_Distance_Units: meters Planar_Coordinate_Layer_Name: localities Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.978698 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Attribute_Layer_Name: border Entity_Type_Label: border.shp Entity_Type_Definition: polygon outlining boundary of map area Entity_Type_Definition_Source: Alaska Division of Geological & Geophysical Surveys Detailed_Description: Entity_Type: Entity_Attribute_Layer_Name: surf_geology Entity_Type_Label: surf_geology.shp Entity_Type_Definition: polygons representing surficial-geologic map units Entity_Type_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute: Attribute_Label: unit_label Attribute_Definition: Map unit label shown on map and described in text. Note that "?" indicates questionable identification. Map units shown in parenthesis such as (Qcf), indicate combination map units consisting of bedrock overlain by thin to discontinuous material of the map unit shown. Attribute_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute_Domain_Values: Codeset_Domain: Codeset_Name: PIR2009-6A-unit descriptions Codeset_Source: This Report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: lake Enumerated_Domain_Value_Definition: unit is a lake Enumerated_Domain_Value_Definition_Source: This report Detailed_Description: Entity_Type: Entity_Attribute_Layer_Name: fault_features Entity_Type_Label: fault_features.shp Entity_Type_Definition: Trace of identified active faults Entity_Type_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute: Attribute_Label: fault Attribute_Definition: Type of fault feature Attribute_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Anticline, approximate Enumerated_Domain_Value_Definition: Approximate location of anticline Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Anticline, certain Enumerated_Domain_Value_Definition: Certain location of Anticline Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: High Angle, concealed Enumerated_Domain_Value_Definition: Location of High Angle fault where concealed. Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Thrust, approximate Enumerated_Domain_Value_Definition: Approximate location of Thrust fault Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Thrust, certain Enumerated_Domain_Value_Definition: Certain location of Thrust fault Enumerated_Domain_Value_Definition_Source: This report. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Thrust, concealed Enumerated_Domain_Value_Definition: Location of Thrust fault where concealed Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: High Angle, approximate Enumerated_Domain_Value_Definition: Approximate location of High Angle fault Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: High Angle, certain Enumerated_Domain_Value_Definition: Certain location of High Angle fault Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Anticline, concealed Enumerated_Domain_Value_Definition: Location of anticline where concealed Enumerated_Domain_Value_Definition_Source: This report Attribute: Attribute_Label: descriptn Attribute_Definition: fault feature description Attribute_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute_Domain_Values: Unrepresentable_Domain: Description of fault feature shown on map: Detailed_Description: Entity_Type: Entity_Attribute_Layer_Name: localities Entity_Type_Label: localities.shp Entity_Type_Definition: location of soil pits, radiocarbon samples, map localities and ventifact locality discussed in the text Entity_Type_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute: Attribute_Label: Type Attribute_Definition: Type of locality Attribute_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Radio Carbon Enumerated_Domain_Value_Definition: Radio Carbon locality discussed in text Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Point Locality Enumerated_Domain_Value_Definition: Point locality discussed in text Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Soil Pit Enumerated_Domain_Value_Definition: Soil Pit locality discussed in text Enumerated_Domain_Value_Definition_Source: This report Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ventifact Site Enumerated_Domain_Value_Definition: Ventifact site discussed in text Enumerated_Domain_Value_Definition_Source: This report Attribute: Attribute_Label: Label Attribute_Definition: Label used to identify each locality Attribute_Definition_Source: Alaska Division of Geological & Geophysical Surveys Attribute_Domain_Values: Unrepresentable_Domain: Label, SP indicates Soil Pit, RC indicates Radio Carbon, V indicates Ventifact site, and A,B, or C indicates Point locality Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys Contact_Address: Address_Type: mailing and physical Address: 3354 College Road City: Fairbanks State_or_Province: AK Postal_Code: 99709-3707 Country: USA Contact_Voice_Telephone: 907-451-5020 Contact_Facsimile_Telephone: 907-451-5050 Contact_Electronic_Mail_Address: dggspubs@alaska.gov Hours_of_Service: 8 am to 4:30 pm, Monday through Friday, except State holidays Contact_Instructions: Please view our website (http://www.dggs.alaska.gov) for the latest information on available data. 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