Government 3 Shell Oil Co. / Northern Cheyenne Tribe 4 Shell Oil Co. / Cheyenne Tribal 7 Davis Oil Co. / Peabody Coal Co. / Skull Creek 1 Cheyenne Tribal 9 King Resources / Permian Systems / Shell Oil Co. / Superior Oil Co. / Interlake / Ashland / Black Hills / American Stratigraphic Co. / Creek 5 Northern Cheyenne Tribe 5 King Resources / Cheyenne Tribal 6 King Resources / Cheyenne 10 King Resources / Lakota 1 Cheyenne Tribal 8 Apache Corp. / George McIntyre CONCLUSIONS Coal / /
Event
Natural Disaster / /
Facility
Fort Union Formation / Porcupine Dome / Miles City Arch / U. S. Highway / /
IndustryTerm
oil and gas wells / surface mining methods / Oil and Gas / mining / energy forms / synthetic natural gas / gas and oil / energy / surface mining / /
NaturalFeature
Tongue River / Yellowstone / Tongue River-Rosebud Creek / Bighorn Mountains / Powder River / Bighorn Mountain / Rosebud Creek / Rosebud-Tongue River / Rosebud Creek-Tongue River / Yellowstone River / Spray Mountains / Tongue River valley / /
Organization
Fort Union Formation of Paleocene / Claggett CH-1 Government / U. S. Government / U. S. Geological Survey E. A. Magill Michael Sokaski George McIntyre U. S. Bureau / Fort Union Formation / Bureau of Mines / Environmental Protection Agency / /
Person
Belle Fourche / Michael Sokaski / Arnold Bed / Montana W. P. Mapel / /