The Online Books Page

Books by L. H. Berkshire:

Books in the extended shelves:

• Berkshire, L. H.: Basic estimated capital investment and operating costs for coal strip mines : revision of information circular 8661 (U.S. Dept. of the Interior, Bureau of Mines, 1976), also by Sidney Katell and E. L. Hemingway (page images at HathiTrust)
• Berkshire, L. H.: Basic estimated capital investment and operating costs for subbituminous and lignite coal strip mines : mines with annual production of 3, 4, and 5 MMtpy ROM coal (Dept. of Energy ;, 1979), also by United States. Office of Fossil Energy. Division of Systems Engineering. Process Evaluation Office and United States. Dept. of Energy (page images at HathiTrust)
• Berkshire, L. H.: Basic estimated capital investment and operating costs for underground bituminous coal mines : mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed (Bureau of Mines, 1975), also by Sidney Katell, E. L. Hemingway, and United States Bureau of Mines (page images at HathiTrust)
• Berkshire, L. H.: Basic estimated capital investment and operating costs for underground bituminous coal mines : mines with annual production of 1.03 to 3.09 million tons from a 48-inch coalbed : revision of Information circular 8641 (U.S. Dept. of the Interior, Bureau of Mines :, 1975), also by Sidney Katell, E. L. Hemingway, and United States Bureau of Mines (page images at HathiTrust)
• Berkshire, L. H.: Basic estimated capital investment and operating costs for underground bituminous coal mines : mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed (U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976), also by Sidney Katell and E. L. Hemingway (page images at HathiTrust)
• Berkshire, L. H.: Basic estimated capital investment and operating costs for underground bituminous coal mines : mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed (U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976), also by Sidney Katell, E. L. Hemingway, and United States Bureau of Mines (page images at HathiTrust)

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