National Geologic Map Database
General Information
- Title: Correlation of the Ordovician formations of North America
- Author(s): Twenhofel, W.H.
- Publishing Organization: Geological Society of America
- Series and Number: Bulletin v. 65 no. 3 [p. 247-298]
- Publication Date: 1954
- Cross Section: Yes
- North Latitude: 44° 44' 45" N (44.7459)
- South Latitude: 35° 59' 45" N (35.9957)
- East Longitude: 76° 42' 15" W (-76.7041)
- West Longitude: 104° 19' 11" W (-104.3197)
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Geologic units referred to in Geolex
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