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[Maps of Metal-Mining Districts in Colorado]
Three maps illustrating distribution of metal deposits in metal-mining districts in Colorado. The first map is a geological survey indicating uranium deposits, rock characteristics, and the location of the Central Mining District in relationship to counties in Colorado. The second map shows pitchblende deposits and bostonite dikes in the Front Range Mineral Belt near Central City, Colorado. The third map near indicates the locations of pitchblende deposits alongside metal vein systems near Central City, Colorado
Date:
June 1952
Creator:
Geological Survey (U.S.)
System:
The UNT Digital Library
Photogeologic map, Mt. Peale-8 quadrangle, San Juan County, Utah, Montrose County, Colorado
A Photogeologic map of the Mt. Peale-8 quadrangle, San Juan County, Utah, Montrose County, Colorado
Date:
June 1952
Creator:
Hackman, Robert J.
System:
The UNT Digital Library
[Figures 1-7: Trace Elements Program Maps]
Maps of Trace Elements Programs field projects, including locations of drill holes for the Colorado Plateau project and location of eastern oil shale in Tennessee.
Date:
1948-06~
Creator:
Geological Survey (U.S.). Trace Elements Office.
System:
The UNT Digital Library
Land classification map of part of south western Colorado: atlas sheet No. 61 (D)
Map shows geographical features, roads, settlements, and distances in late nineteenth century Colorado. Includes a key to potential land use. Relief shown by hachures and spot heights. Scale [ca. 1:253,440].
Date:
June 1879
Creator:
Geographical Surveys West of the 100th Meridian (U.S.)
System:
The Portal to Texas History