More about Pennsylvania. Coal Research Board:
| | Books by Pennsylvania. Coal Research Board: Books in the extended shelves: Pennsylvania. Coal Research Board: Chlorination and activation of Pennsylvania anthracites (Pennsylvania State University], 1966), also by Guillermo Almagro, P. L. Walker, and Pennsylvania State University. Dept. of Fuel Science (page images at HathiTrust) Pennsylvania. Coal Research Board: Coal characteristics and their relationship to combustion techniques (Pennsylvania State University, Coal Research Section], 1959), also by Theodore Sprang Spicer (page images at HathiTrust) Pennsylvania. Coal Research Board: Growth of tree seedlings and use of amendments on bituminous refuse (Pennsylvania State University, 1972), also by George Washington Welsh, Russell J. Hutnik, Pennsylvania. Department of Environmental Resources, and Pennsylvania State University. School of Forest Resources (page images at HathiTrust) Pennsylvania. Coal Research Board: Mine drainage abstracts, a bibliography. (Commonwealth of Pennsylvania, Dept. of Mines and Mineral Industries, 1964), also by inc Bituminous Coal Research (page images at HathiTrust) Pennsylvania. Coal Research Board: The radiation chemistry of coal in various atmospheres (Pennsylvania State University, 1960), also by Allan Weinstein, P. L. Walker, and Pennsylvania State University. Dept. of Fuel Technology (page images at HathiTrust) Pennsylvania. Coal Research Board: Reactions of coal with atomic species (Pennsylvania State University, Coal Research Section], 1962), also by Francis Joseph Vastola (page images at HathiTrust) Pennsylvania. Coal Research Board: Rotary precoat filtration of sludge from acid mine drainage neutralization ([Environmental Protection Agency, Water Quality Office]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1971), also by Johns-Manville Products Corporation. Research and Engineering Center and United States. Environmental Protection Agency. Water Quality Office (page images at HathiTrust)
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