USGS B 642
Title:Mineral resources of the Ruby-Kuskokwim region
Authors:Mertie, J.B., Jr., and Harrington, G.L.
Publisher:U.S. Geological Survey
Ordering Info:USGS Publications Warehouse
Quadrangle(s):Iditarod, Lime Hills, McGrath, Medfra, Nulato, Ophir, Ruby, Sleetmute
Keyword(s):Bedrock; Bedrock Geology; Coal; Generalized; Geology; Metals
Mertie, J.B., Jr., and Harrington, G.L., 1916, Mineral resources of the Ruby-Kuskokwim region, in U.S. Geological Survey, Mineral resources of Alaska, report on progress of investigations in 1915: U.S. Geological Survey Bulletin 642, p. 223-266, 1 sheet, scale 1:750,000.