National Geologic Map Database
General Information
- Title: Preliminary geologic map of the Erie quadrangle, Boulder, Weld, and Adams Counties, Colorado
- Author(s): Colton, R.B., and Anderson, L.W.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Field Studies Map MF-882
- Publication Date: 1977
- Map Scale: 1:24,000
- Cross Section: None
- North Latitude: 40° 7' 30" N (40.1250)
- South Latitude: 40° 0' 0" N (40.0000)
- East Longitude: 105° 0' 0" W (-105.0000)
- West Longitude: 105° 7' 30" W (-105.1250)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.