Year: | 1956 |
---|---|
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:5237 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 5237 |
Subject: | Oil-shales |
Link: | https://hdl.handle.net/2027/mdp.39015077553926 |