National Geologic Map Database
Product Description Page
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Title: Map showing the extent of mining, locations of mine shafts, adits, airshafts, and bedrock faults, and thickness of overburden above abandoned coal mines in the Boulder-Weld coal field, Boulder, Weld, and Adams Counties, Colorado
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Author(s): Roberts, S.B., Hynes, J.L., and Woodward, C.L.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Geologic Investigations Series Map I-2735
- Publication Date: 2001
- Map Scale: 1:48,000
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.