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General Information

  • Title: Environmental geologic map of the Harbor Island area, Texas
  • Author(s): Casby, S.B.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-687
  • Publication Date: 1975
  • Map Scale: 1:24,000
  • Cross Section: None
  • North Latitude: 27° 57' 20" N (27.9556)
  • South Latitude: 27° 46' 50" N (27.7806)
  • East Longitude: 97° 0' 0" W (-97.0000)
  • West Longitude: 97° 11' 30" W (-97.1917)
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