USBM OFR 89-86
Title:Distribution, analysis, and recovery of placer gold from the Porcupine mining area, southeast Alaska
Authors:Hoekzema, R.B., Fechner, S.A., and Bundtzen, T.K.
Publisher:U.S. Bureau of Mines
Ordering Info:This publication is out of print. Reproductions may be available. Download below or please see our publication sales page for more information.
Keyword(s):Gold; Placer; Porcupine
Hoekzema, R.B., Fechner, S.A., and Bundtzen, T.K., 1986, Distribution, analysis, and recovery of placer gold from the Porcupine mining area, southeast Alaska: U.S. Bureau of Mines Open-File Report 89-86, 49 p., 4 sheets, scale 1:63,360.
- ofr089_86.pdf (2.9 M)
Maps & Other Oversized Sheets
- Figure 4 Quaternary placer geology of Porcupine mining area, scale 1:40,000 (1.0 M)
- Figure 7 Placer sample localities in Porcupine mining area, scale 1:63,360 (2.0 M)
- Figure 8 Placer sample locations Lower Porcupine Creek area (516.0 K)
- Figure 9 Placer sample locations Middle Porcupine Creek area (3.0 M)