| Author: | Vandergrift, Thomas L. |
|---|---|
| Year: | 1995 |
| Document Type: | N/A |
| Series: | Report of investigations (United States. Bureau of Mines) |
| Report Number: | Bureau of Mines Report of Investigations 9579 |
| Subjects: | Longwall mining -- Mathematical models. |
| Gate roads (Mining) -- Mathematical models. | |
| Ground control (Mining) -- Mathematical models. | |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc304131/ |