Geology of the Copper King Mine area, Prairie Divide, Larimer County, Colorado (open access)

Geology of the Copper King Mine area, Prairie Divide, Larimer County, Colorado

"This report, prepared principally to aid in the interpretation of the core drilling, presents the principal results of the field and preliminary laboratory work by the U.S. Geological Survey; it does not contain information obtained from the core drilling."
Date: December 1952
Creator: Sims, P. K. & Phair, George
System: The UNT Digital Library
Geology of the Copper King uranium mine, Larimer County, Colorado (open access)

Geology of the Copper King uranium mine, Larimer County, Colorado

A report regarding the geology of the Copper King Uranium Mine, in Larimer County, Colorado.
Date: June 1955
Creator: Sims, P. K.; Phair, George & Moench, Robert Hadley
System: The UNT Digital Library
Geology of the Copper King Mine Area, Prairie Divide, Larimer County, Colorado (open access)

Geology of the Copper King Mine Area, Prairie Divide, Larimer County, Colorado

Report discussing the geology of the Copper King mine area, which was worked for uranium following the discovery of pitchblende. The geology of the site is described as well as the history of the area's production.
Date: December 1952
Creator: Sims, Paul K. & Phair, George
System: The UNT Digital Library
Pegmatites of the Crystal Mountain District, Larimer County, Colorado (open access)

Pegmatites of the Crystal Mountain District, Larimer County, Colorado

From introduction: The study of the Crystal Mountain district, Larimer County, Colo., is but one phase of this post-World War II pegmatite program, in part carried out by the Geological Survey on behalf of the Division of Raw Materials of the Atomic Energy Commission.
Date: April 1952
Creator: Thurston, William R.
System: The UNT Digital Library
Pegmatites of the Crystal Mountain District, Larimer County, Colorado (open access)

Pegmatites of the Crystal Mountain District, Larimer County, Colorado

Report discussing the geology of the pegmatites in the Crystal Mountain district in Larimer County, Colorado.
Date: April 1952
Creator: Thurston, William R.
System: The UNT Digital Library