Hydrogenation of the petrographic constituents of High Splint seam coal

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100 1 ‡aWright, Calvert Charles, ‡d1905-
245 1 0 ‡aHydrogenation of the petrographic constituents of High Splint seam coal, ‡cby C.C. Wright and George C. Sprunk.
260 ‡aState College, Pa., ‡bPennsylvania State College, School of Mineral Industries, ‡c1939.
300 ‡a2 p. l., 23 p. incl. illus., tables, diagrs. ‡c23 cm.
490 0 ‡aPennsylvania State College. Mineral Industries Experiment Station. Bulletin ‡vno. 28
500 ‡aPennsylvania State College bulletin. vol. XXXIII, no. 51. Nov. 13, 1939.
500 ‡aOn cover: Joint investigation with the United States Bureau of Mines, Pittsburgh Experiment Station and made possible through the financial assistance rendered by Bituminous Coal Research, inc.
504 ‡aBibliography: p. 23.
538 ‡aMode of access: Internet.
650 0 ‡aCoal ‡xAnalysis.
650 0 ‡aCoal ‡zKentucky ‡zHarlan County.
700 1 ‡aSprunk, George C, ‡d1905- ‡ejoint author.
740 0 1 ‡aHigh Splint seam coal.
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