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Generalized surficial geologic map of the Denver 1° x 2° quadrangle, Colorado Generalized surficial geologic map of the Denver 1° x 2° quadrangle, Colorado

Thirty-nine types of surficial geologic deposits and residual materials of Quaternary age are described and mapped in the greater Denver area, in part of the Front Range, and in the piedmont and plains east of Denver, Boulder, and Castle Rock. Descriptions appear in the pamphlet that accompanies the map. Landslide deposits, colluvium, residuum, alluvium, and other deposits or materials...

Geologic and structure maps of the Kalispell 1° x 2° quadrangle, Montana, and Alberta and British Columbia Geologic and structure maps of the Kalispell 1° x 2° quadrangle, Montana, and Alberta and British Columbia

This dataset was digitized by the U.S. Geological Survey EROS Data Center and U.S. Geological Survey Spokane Field Office for input into an Arc/Info geographic information systsem (GIS). The digital geologic map database can be queried in many ways to produce a variety of derivative geologic maps.
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