National Geologic Map Database
General Information
- Title: Subsurface geologic cross sections of Mesozoic rocks in northeastern Colorado
- Author(s): Blair, R.W.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Oil and Gas Investigations Chart OC-42
- Publication Date: 1951
- Map Scale: 1:613,000
- Cross Section: None
- North Latitude: 41° 0' 0" N (41.0000)
- South Latitude: 39° 30' 0" N (39.5000)
- East Longitude: 102° 0' 0" W (-102.0000)
- West Longitude: 105° 30' 0" W (-105.5000)
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