National Geologic Map Database
General Information
- Title: Geologic map of Morrill County, Nebraska with a section on new 40Ar/39Ar laser fusion ash dates from Wildcat Ridge, Nebraska
- Author(s): Swinehart, J.B., Diffendal, R.F., and Swisher, C.C.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-2496
- Publication Date: 1995
- Map Scale: 1:62,500
- Cross Section: None
- North Latitude: 42° 0' 18" N (42.0050)
- South Latitude: 41° 26' 46" N (41.4460)
- East Longitude: 102° 38' 13" W (-102.6370)
- West Longitude: 103° 22' 5" W (-103.3680)
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* See base map disclaimer below.
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- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
- Box 25286
- Denver, CO 80225
- Phone: (303) 202-4700 or 1-888-ASK-USGS
- Fax: (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.