Geology of the Wood and East Calhoun Mines, Central City District, Gilpin County, Colorado (open access)

Geology of the Wood and East Calhoun Mines, Central City District, Gilpin County, Colorado

Report discussing the geology of the Wood vein and East Calhoun mine areas of Gilpin County, Colorado.
Date: March 1955
Creator: Drake, Avery A., Jr.
System: The UNT Digital Library