| Author: | Aase, James H. |
|---|---|
| Year: | 1970 |
| Document Type: | N/A |
| SUDOC: | I 28.27:8461 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | I. C. 8461 |
| Subjects: | Mineral industries -- United States. |
| Shipping -- Great Lakes (North America). | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc170831/ |