Research Catalog
New! Try our Article Search to discover online journals, books, and more from home with your library card.
Displaying 1-5 of 5 results
Improved drilling of coal measure rocks for underground mine void detection and exploration programs / by Pamela J. Watson, Patrick A. Tuzinski, and John E. Pahlman.
- Text
- Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1991.
- 1991
Frictional ignition with coal mining bits / by Welby G. Courtney.
- Text
- Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1990.
- 1990
Frictional ignition of natural gas-air mixtures by alternative coal-cutter bit shank materials [microform] / by L. Garner McDonald.
- Text
- Washington, D.C. : Dept. of the Interior, Bureau of Mines, 1992.
- 1992
Use of an in-seam tester to determine effects of bit type on primary dust generation / by Laxman S. Sundae.
- Text
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1989.
- 1989
A fracture mechanics study of crack propagation mechanism in coal [microform] : the mechanics of fine fragment formation : fifth annual report (October 1, 1987-September 30, 1988) / Z.T. Bitniawski, R. Karl Zipf, Jr.
- Text
- [University Park, Pa.] : College of Earth and Mineral Sciences, PennState, 1988.
- 1988
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.
