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/ |