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A Systematic Radioactivity Reconnaissance of Part of the North Gilpin County Mining District, Colorado
From introduction: The purpose of the investigation was to attempt to correlate anomalous radioactivity and mineral distribution in a metal-mining district that shows a distinct areal pattern of distribution of vein types,
Date:
September 1953
Creator:
Campbell, Russell H. & Schafer, Max
System:
The UNT Digital Library
Preliminary Geologic and Vein Maps of Part of the Central City District, Gilpin, and Clear Creek Counties, Colorado
Report containing geologic and vein maps for part of the Central City District, Colorado. Tables containing Shafts and adits in the area are included.
Date:
June 1953
Creator:
Sims, P. K.; Drake, A. A. & Moench, R. H.
System:
The UNT Digital Library