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 |
| Comments | 0 |
| Favorites | 4 |
| Views | 11,892 |
| Date taken | 1972 |
| Date uploaded | 2009-08-12 |
| Tags | usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=552545 |
| Visibility | public |