National Geologic Map Database
General Information
- Title: Early Proterozoic volcanogenic sequences in central Colorado: Colorado Scientific Society fall field trip, September 6-8, 1991
- Author(s): Reed, J.C., and Shropshire, K.L.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Open-File Report OF-91-431
- Publication Date: 1991
- Map Scale: 1:200,000
- Cross Section: Yes
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Additional Resources
- Links and Downloads:
- View the publication from the USGS Publications Warehouse
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- U.S. Geological Survey
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.