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General Information

  • Title: Preliminary geologic map of the Gray Head quadrangle, San Miguel County, Colorado
  • Author(s): Bush, A.L., Bromfield, C.S., Marsh, O.T., and Taylor, R.B.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Mineral Investigations Field Studies Map MF-176
  • Publication Date: 1961
  • Map Scale: 1:24,000
  • Cross Section: Yes
  • North Latitude: 38° 0' 0" N (38.0000)
  • South Latitude: 37° 52' 30" N (37.8750)
  • East Longitude: 107° 52' 30" W (-107.8750)
  • West Longitude: 108° 0' 0" W (-108.0000)
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