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General Information

  • Title: Geologic map of the pre-Tertiary rocks in the eastern Aldrich Mountains and adjacent areas to the south, Grant County, Oregon
  • Author(s): Brown, C.E., and Thayer, T.P.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Investigations Series Map I-1021
  • Publication Date: 1977
  • Map Scale: 1:62,500
  • Cross Section: Yes
  • North Latitude: 44° 19' 12" N (44.3200)
  • South Latitude: 44° 7' 1" N (44.1170)
  • East Longitude: 118° 45' 0" W (-118.7500)
  • West Longitude: 119° 30' 0" W (-119.5000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.