Author
Gulf Oil Corporation,
3
Rio Blanco Oil Shale Company,
3
Standard Oil Company (Indiana),
3
Ashland Oil, inc
1
Cameron and Jones, Inc
1
Carie, Lee
1
Cathedral Bluffs Shale Oil Company
1
Gulf Oil Corporation
1
Occidental Oil Shale, inc
1
Standard Oil Company (Indiana)
1
Tenneco Shale Oil Company
1
United States. Bureau of Land Management. Colorado State Office
1
United States. Department of the Interior
1