When oil prices plunged sharply, Exxon Corp. pulled the plug on its $5 billion Colony Oil Shale Project near Parachute, Colorado on a day that was called "Black Sunday," May 2, 1982. Others energy companies followed, leaving western Colorado's super-heate
When oil prices plunged sharply, Exxon Corp. pulled the plug on its $5 billion Colony Oil Shale Project near Parachute, Colorado on a day that was called "Black Sunday," May 2, 1982. Others energy companies followed, leaving western Colorado's super-heate (05/04/1982), [437766873] . Denver Public Library Digital Collections, accessed 17/07/2025, https://digital.denverlibrary.org/nodes/view/900347