Map showing rock fractures and veins in the Tungsten quadrangle, Boulder, Gilpin, and Jefferson counties, Colorado:
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Bibliographic Details
Format: Map
Language:English
Published: Washington, D.C. U.S. Geological Survey 1973
Series:United States Geological Survey: Miscellaneous investigations series I-792-A
Subjects:
Item Description:Grundlage U.S. Geological Survey, 1942
Physical Description:1 Kt. zweifarb. 45 x 58 cm, gefaltet

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Interlibrary loan Place Request Caution: Not in THWS collection!