Preliminary Geologic and Vein Maps of Part of the Central City District, Gilpin, and Clear Creek Counties, Colorado (open access)

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
Uranium Deposits in the Eureka Gulch Area, Central City District, Gilpin County, Colorado (open access)

Uranium Deposits in the Eureka Gulch Area, Central City District, Gilpin County, Colorado

Report discussing nine radioactive mine dumps in the Eureka Gulch area of the Central City District of Gilpin County, Colorado, that were discovered between 1951 and 1953.
Date: April 1954
Creator: Sims, P. K.; Osterwald, F. W. & Tooker, E. W.
System: The UNT Digital Library
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
Notes on the Differential Leaching of Uranium, Radium, and Lead From Pitchblende in H2SO4 Solutions (open access)

Notes on the Differential Leaching of Uranium, Radium, and Lead From Pitchblende in H2SO4 Solutions

Report discussing the leaching of uranium, radium and lead from oxidized black Katanga pitchblende. Results of leaching are included.
Date: September 1952
Creator: Phair, George & Levine, Harry
System: The UNT Digital Library
Paragenesis and Structure of Pitchblende-Bearing Veins, Central City District, Gilpin County, Colorado (open access)

Paragenesis and Structure of Pitchblende-Bearing Veins, Central City District, Gilpin County, Colorado

Report discussing a study on the Central City district and adjoining mining areas to determine the geology and economic importance of the uranium occurrences in the region.
Date: January 1956
Creator: Sims, Paul K.
System: The UNT Digital Library
Uranium Deposits in the Eureka Gulch Area, Central City District, Gilpin County, Colorado (open access)

Uranium Deposits in the Eureka Gulch Area, Central City District, Gilpin County, Colorado

The following report presents a preliminary account of the geology and economic aspects of the uranium deposits in the Eureka Gulch area.
Date: April 1954
Creator: Sims, P. K.; Osterwald, Frank W. & Tooker, Edwin W.
System: The UNT Digital Library