| Author: | Mutschler, Paul H. | 
|---|---|
| Additional Authors: | Larwood, G. M., Evans, R. J. | 
| Year: | 1973 | 
| Document Type: | USBI | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.27:8614 | 
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 8614 | 
| Subjects: | Petroleum--Transportation--Costs | 
| Coal--Transportation--Costs | |
| Link: | https://hdl.handle.net/2027/mdp.39015078516278 |