Unit train transportation of coal : technology and description of nine representative operations /
| Main Authors: | , , |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.],
[1970]
|
| Series: | Information circular (United States. Bureau of Mines)
8444 |
| Subjects: |