Historical Maps of Colorado
After 1930
Selected Colorado Out-Of-Print Quadrangles
USGS or Army Map Service
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Main Author:
Title/Description:
Geologic and Topographic Map Showing Surveyed Mining claims and underground development in the Bonanza District, Saguache County, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1931; Professional Paper 169, Plate 1
Date:
1931
Scale:
1:12,000
Original Source:
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Main Author:
Title/Description:
Highway Map and Guide of Colorado
Publication Info:
Aurora, Mo.: Mid-West Map Company, c. 1931
Date:
1931
Scale:
1:1,267,200
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Main Author:
Title/Description:
Geologic Map of the San Juan Mountains, Colorado, showing distribution of late tertiary and quarternary formations
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1931; Professional Paper 166, Plate 1
Date:
1931
Scale:
1:250,000
Original Source:
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Main Author:
Geographical Publishing Company
Title/Description:
Colorado
Publication Info:
Chicago: Geographical Publishing Company1931; from Commercial Atlas of the World
Date:
1931
Scale:
1:1,267,200
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Main Author:
Title/Description:
Geologic Map and Sections of Book Cliffs Coal Field, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1933; Bulletin 851, Plate 1
Date:
1933
Scale:
1:63,360
Original Source:
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Main Author:
Title/Description:
Geologic Map of the Most Productive part of the Breckenridge Mining District, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1934; Professional Paper 174, Plate 2
Date:
1934
Scale:
1:12,000
Original Source:
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Main Author:
U.S.G.S.
Title/Description:
Geological Map of Colorado
Publication Info:
Washington D.C.: Department of the Interior, U.S. Geological Survey, 1935
Date:
1935
Scale:
1:500,000
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Main Author:
U.S.G.S.
Title/Description:
Geological Map of Colorado
Publication Info:
Washington D.C.: Department of the Interior, U.S. Geological Survey, 1935
Date:
1935
Scale:
1:500,000
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Main Author:
Title/Description:
Geologic Map of the San Juan Region, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1935; Bulletin 843, Plate 1
Date:
1935
Scale:
1:250,000
Original Source:
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Main Author:
Title/Description:
Index Map Showing Mineralized and Prospectd areas, drainage, and location of hot springs in San Juan Region, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1935; Bulletin 843, Plate 3
Date:
1935
Scale:
1:500,000
Original Source:
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Main Author:
Title/Description:
Geologic Map and sections of Snowmass Mountain area, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1937; Bulletin 894, Plate 1
Date:
1937
Scale:
1:31,680
Original Source:
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Main Author:
U.S. Department of the Interior, U.S. Geological Survey
Title/Description:
Colorado
Publication Info:
Washington: U.S. Department of the Interior, U.S. Geological Survey, 1940
Date:
1940
Scale:
1:1,000,000
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Main Author:
Title/Description:
Geologic map of the Alma-Horseshow District, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1940; Bulletin 911, Plate 1
Date:
1940
Scale:
1:24,000
Original Source:
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Main Author:
Title/Description:
Glacial Map of the Alma-Horseshoe District, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1940; Bulletin 911, Plate 4
Date:
1940
Scale:
1:24,000
Original Source:
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Main Author:
Title/Description:
Geologic Map of Beaver-Tarryall area, Park county, Colorado
Publication Info:
Washington D.C.: Department of the Interior, US Geological Survey, 1942; Bulletin 928, Plate 1
Date:
1942
Scale:
1:31,680
Original Source:
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Main Author:
Bureau of the Census
Title/Description:
Colorado Irrigation by Drainage Basins, 1940
Publication Info:
Washington: U.S. Government Printing Office, 1942
Date:
1942
Scale:
1:950,400
Original Source:
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Main Author:
U.S. Department of the Interior
Title/Description:
Water Resources Development, Colorado Basin, Colorado
Publication Info:
Washington: U.S. Department of the Interior, Bureau of Reclamation, 1946; from The Colorado River, A Natural Menace Becomes a Natural Resource
Date:
1946
Scale:
1:1,000,000
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Main Author:
Stokes, W.L. and D.A. Phoenix
Title/Description:
Geology of the Egnar-Gypsum Valley Area, San Miguel and Montrose Counties, Colorado
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1948
Date:
1948
Scale:
1:48,000
Original Source:
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Main Author:
U.S. Geological SUrvey
Title/Description:
Geologic Map and Structure Sections of the La Plata District, Colorado
Publication Info:
Washington, D.C.: Department of the Interior, U.S. Geologic Survey, 1949; Professional Paper 219, Plate 2
Date:
1949
Scale:
1:31,680
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Geologic Map of the Front Range Mineral Belt, Colorado (North Half)
Publication Info:
Washington, D.C.: Department of the Interior, U.S. Geologic Survey, 1950; Professional Paper 233, Plate 2
Date:
1950
Scale:
1:62,500
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Geologic Map of the Front Range Mineral Belt, Colorado (South Half)
Publication Info:
Washington, D.C.: Department of the Interior, U.S. Geologic Survey, 1950; Professional Paper 233, Plate 2
Date:
1950
Scale:
1:62,500
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Geologic Map and Section of the Wray Area, Colorado-Nebraska
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1953; Bulletin No. 1001
Date:
1953
Scale:
1:63,360
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Map Showing Geologic and Geographic Setting of the Boulder County Tungsten District and Chief Tungsten Producing Areas, Colorado
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1953; Professional Paper 245
Date:
1953
Scale:
1:62,500
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Geologic Map of the Boulder County Tungsten District, Colorado
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1953; Professional Paper 245
Date:
1953
Scale:
1:12,000
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Surficial Geologic Map of Louisville Quadrangle, Colorado
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1954; Bulletin No. 996
Date:
1954
Scale:
1:24,000
Original Source:
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Main Author:
U.S. Geological Survey
Title/Description:
Map of Pleistocene and Recent Deposits in the Denver Area, Colorado
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1954; Bulletin No. 996
Date:
1954
Scale:
1:63,360
Original Source: