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General Information

  • Title: Geologic aspects of tunneling in the Los Angeles area, California
  • Author(s): Yerkes, R.F., Tinsley, J.C., and Williams, K.M.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-866
  • Publication Date: 1977
  • Map Scale: 1:12,000
  • Cross Section: Yes
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