Research Catalog
New! Try our Article Search to discover online journals, books, and more from home with your library card.
Displaying 1-1 of 1 results for author "Krupa, E. D. (Eugene D.)"
Longwall gate road roof instability and methods of control in the lower Kittanning Coalbed of Central Pennsylvania [microform] / by E.R. Bauer, J.M. Listak, and E.D. Krupa.
- Text
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1992.
- 1992
No results found from Digital Research Books Beta
Digital books for research from multiple sources world wide- all free to read, download, and keep. No Library Card is Required. Read more about the project.
