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• The Colony Plant (Near Grand Valley in the Piceance Basin) after Years of Research, Has Taken Oil Shale from an Underground Mine and Has Successfully Processed It in an Experimental Retort Colony, a Joint Venture of the Oil Shale Corporation and Atlantic

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 4 favorites
  • 5,217 views
  • Date taken: 1972
  • Date uploaded: 2009-08-12
  • Tags: usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=552686
  • Visibility: public