Map showing types of bedrock and surficial deposits in the Aspen quadrangle, Pitkin county, Colorado:
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Bibliographic Details
Format: Map
Language:English
Published: Washington, D.C. U.S. Geological Survey 1972
Series:United States Geological Survey: Miscellaneous investigations series I-785-H
Subjects:
Item Description:Grundlage U.S. Geological Survey, 1960
Physical Description:1 Kt. mehrfarb 45 x 58 cm, gefaltet

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Interlibrary loan Place Request Caution: Not in THWS collection!