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• Oil Shale. It Is the Kerogen in This Rock Which, When Heated to 900 F., Yields Oil, 10/1972

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 7 favorites
  • 12,128 views
  • Date taken: 1972
  • Date uploaded: 2009-08-12
  • Tags: usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=552543
  • Visibility: public