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Displaying 1-2 of 2 results for author "Campoli, A. A. (Alan A.)"
Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining / by Alan A. Campoli, David C. Oyler, and Frank E. Chase.
- Text
- Washington, D.C. (2401 E St., N.W., Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1989.
- 1989
Coal mine bumps [microform] : five case studies in the eastern United States / by Alan A. Campoli, Carla A. Kertis, and Claude A. Goode.
- Text
- [Avondale, Md.?] : U.S. Dept. of the Interior, Bureau of Mines, 1987.
- 1987
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