The Online Books Page

Books by Robert J. Brennan:

Books in the extended shelves:

• Brennan, Robert J.: Experimental longwall mining in a Pennsylvania anthracite mine (in two parts). ([Washington, D.C.] : Department of the Interior, Bureau of Mines, 1964-1966., 1964), also by Wilbert T. Malenka, John Willard Buch, Edward R. Navrocky, Glen Alden Coal Corp, and United States Bureau of Mines (page images at HathiTrust)
• Brennan, Robert J.: Experimental longwall mining in a Pennsylvania anthracite mine (In two parts). 1, Use of yielding steel props (U.S. Dept. of the Interior, Bureau of Mines, 1964), also by Edward R. Navrocky, John W. Buch, Glen Alden Coal Corp, and United States Bureau of Mines (page images at HathiTrust)
• Brennan, Robert J.: Experimental longwall mining in a Pennsylvania anthracite mine (in two parts). 2, Use of a shearer loader (U.S. Dept. of the Interior, Bureau of Mines, 1966), also by Wilbert T. Malenka, Glen Alden Coal Corp, and United States Bureau of Mines (page images at HathiTrust)
• Brennan, Robert J.: Problems in the control of anthracite mine fires : a case study of the Centralia mine fire (August 1980) (U.S. Dept. of the Interior, Bureau of Mines, 1983), also by John T. Schimmel, Wilbert T. Malenka, Ann G. Kim, Bernice S. Heisey, and Robert F. Chaiken (page images at HathiTrust)
• Brennan, Robert J.: Use of yielding steel supports (props) in combination with backfilling for mining thick, flat beds (U.S. Dept. of the Interior, Bureau of Mines, 1956), also by John C. Hartley and John D. Cooner (page images at HathiTrust)

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