Economic Geology Of Gilpin County And Adjacent Parts Of Clear Creek And Boulder Counties, Colorado

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<title> Economic Geology Of Gilpin County And Adjacent Parts Of Clear Creek And Boulder Counties, Colorado; Professional Paper; Geological Survey (U.S.).

<authors> Edson Sunderland Bastin, James Madison Hill

<publisher> Govt. Print. Off., 1917

<subjects> Science; Earth Sciences; Geology; Geology; Geology, Economic; Mines and mineral resources; Science / Earth Sciences / Geology; Technology & Engineering / Mining