Longwall mining geologic considerations for better
| Image |  |
|---|---|
| Description | journal article published in 1991 |
| Author/s |
author: Christopher Mark |
| Publication date | January 1, 1991 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work |
http://www.e-mj.com/home/digital-edition-archives.html#.U80j7HYpCK4 |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |