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Preliminary geologic map of the Grand Valley quadrangle, Garfield County, Colorado
Grand Valley quadrangle, Garfield County, Colorado, preliminary geologic map
1 map ; 58 x 45 cm., on sheet 87 x 92 cm., folded in envelope 30 x 24 cm.
Department of the Interior, U.S. Geological Survey ; by John R. Donnell, Warren E. Yeend, and Marjorie C. Smith.
Relief shown by contours and spot heights.
Includes table, cross section, index map, and index to gas fields in the Grand Valley quadrangle.
Miscellaneous field studies ; map MF-1883