National Geologic Map Database
Title: A detailed taxonomy of Upper Cretaceous and lower Tertiary Crassatellidae in eastern North America; an example of the nature of extinction at the boundary
Author(s): Wingard, G.L.
Publishing Organization: U.S. Geological Survey
Series and Number: Professional Paper 1535 [131 p.]
- Publication Date: 1993
- Map Scale: 1:9,024,619
- Cross Section: None
- North Latitude: 41° 1' 7" N (41.0186)
- South Latitude: 24° 35' 4" N (24.5844)
- East Longitude: 76° 56' 2" W (-76.9339)
- West Longitude: 90° 48' 2" W (-90.8006)
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