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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
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...