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CJ Zink
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E F Osborn
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coal research board
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Report of Research on Pennsylvania's Coal Resources IPR-19
Resource Type: Report Creator: C.J. Zink, H.B. Charmbury, Joseph Kershetsky, R.P. Aikman, John Todhunter, G.L. Barthauer, John Seddon, William Sturm, M.E. Bell, C.L. Hosler, E.F. Osborn, R.Stefanko, W. Spackman, P.L. Walker, Jr., and H.L. Lovell Keyword: Coal Resources and Coal Research Board Publisher: College of Mineral Industries and Pennsylvania State University Object Type: GenericWork Date Uploaded: 2015-11-11T21:08:44Z