National Geologic Map Database
General Information
- Title: Cretaceous paleogeography along the eastern margin of the Western Interior Seaway, Iowa, southern Minnesota, and eastern Nebraska and South Dakota
- Author(s): Witzke, B.J., Ludvigson, G.A., Poppe, J.R., and Ravn, R.L.
- Publishing Organization: Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section
- Series and Number: Rocky Mountain Paleogeography Symposium, 2nd, Denver, CO, 1983, Proceedings v. 2 [p. 225-252]
- Larger Work: Reynolds, M.W., and Dolly, E.D., eds., Mesozoic paleogeography of the west-central United States
- Publication Date: 1983
- Map Scale: 1:7,920,000
- Cross Section: Yes
- North Latitude: 45° 42' 15" N (45.7042)
- South Latitude: 40° 0' 0" N (40.0000)
- East Longitude: 90° 22' 36" W (-90.3766)
- West Longitude: 98° 53' 8" W (-98.8856)
- Corrections to this entry?
* See base map disclaimer below.
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Geologic units referred to in Geolex
- This product is available, please note the publication series and number, and then contact:
- Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section
- RMS-SEPM
- P.O. Box 13947
- Denver, CO 80201
- Email: deankaren@comcast.net
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.