| Author: | Belser, Carl. |
|---|---|
| Year: | 1951 |
| Document Type: | N/A |
| SUDOC: | I 28.23:4769 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 4769 |
| Subjects: | Oil-shales -- Colorado -- Green River. |
| Oil-shale properties -- Colorado. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38558/ |