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Federal
Digital database of the previously published geologic map of the greater Denver area, Front Range Urban Corridor, Colorado recent views
Department of the Interior —
This digital map shows the areal extent of surficial deposits and rock stratigraphic units (formations) as compiled by Trimble and Machette from 1973 to 1977 and... -
Federal
Data release for the geologic map of the upper Arkansas River valley region, north-central Colorado recent views
Department of the Interior —
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida,... -
Federal
Data release for geologic map of the Fort Collins 30' x 60' quadrangle, Larimer and Jackson Counties, Colorado and Albany and Laramie Counties, Wyoming recent views
Department of the Interior —
This geologic map provides new and compiled geologic mapping at 1:100,000-scale in the Fort Collins 30' x 60' quadrangle covering the northern Front Range and... -
Federal
Digital database of the previously published geologic map of the Boulder-Fort Collins-Greeley area, Colorado recent views
Department of the Interior —
This digital map shows the geographic extent of rock stratigraphic units (formations) as compiled by Colton in 1976 under the Front Range Urban Corridor Geology...