National Geologic Map Database
General Information
- Title: Swelling clays map of the conterminous United States
- Author(s): Olive, W.W., Chleborad, A.F., Frahme, C.W., Shlocker, Julius, Schneider, R.R., and Schuster, R.L.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-1940
- Publication Date: 1989
- Map Scale: 1:7,500,000
- Cross Section: None
- North Latitude: 49° 30' 0" N (49.5000)
- South Latitude: 24° 45' 0" N (24.7500)
- East Longitude: 67° 0' 0" W (-67.0000)
- West Longitude: 124° 30' 0" W (-124.5000)
- Corrections to this entry?
* See base map disclaimer below.
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- U.S. Geological Survey
- USGS Information Services
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.