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Pitchblende Deposits at the Wood and Calhoun Mines, Central City Mining District, Gilpin County, Colorado
From introduction: The purpose of this work was to determine the distribution and reserves of pitchblende in the veins. These particular mines were selected because the other mines that had produced pitchblende in the east were either inaccessible, or accessible under such adverse conditions as to make detailed mapping impracticable.
Date:
October 1950
Creator:
Moore, Frank B. & Butler, C. R.
System:
The UNT Digital Library
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
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
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
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
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
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
Unwatering and sampling of the Kirk Mine, Gilpin County, Colorado
Two parts of a report. Part I is regarding unwatering and sampling of the Kirk mine. Part II discusses the geology of kirk mine. Kirk mine is located in Gilpin County, Colorado.
Date:
April 30, 1945
Creator:
Hill, J. M.; Selfridge, G. C.; George, D. R. & Guillotte, G. B.
System:
The UNT Digital Library