National Geologic Map Database
Title: Revision of the Paleozoic systems
Author(s): Ulrich, E.O.
Publishing Organization: Geological Society of America
Series and Number: Bulletin v. 22 [p. 281-680]
- Publication Date: 1911
- Cross Section: None
- North Latitude: 49° 23' 4" N (49.3844)
- South Latitude: 25° 50' 15" N (25.8375)
- East Longitude: 74° 41' 22" W (-74.6894)
- West Longitude: 109° 3' 36" W (-109.0600)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.