National Geologic Map Database
General Information
- Title: Geologic map of the North Fork John Day River Roadless Area, Grant County, Oregon
- Author(s): Evans, J.G.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Field Studies Map MF-1581-C
- Publication Date: 1983
- Map Scale: 1:48,000
- Cross Section: Yes
- North Latitude: 44° 58' 39" N (44.9775)
- South Latitude: 44° 50' 0" N (44.8333)
- East Longitude: 118° 23' 32" W (-118.3922)
- West Longitude: 118° 41' 50" W (-118.6972)
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- U.S. Geological Survey
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- 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.