01289cam a22002774a 4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001800142100003600160245029900196260009300495300004300588490008400631490007900715504002800794650001900822650002400841700004400865710006700909710003500976gs 39000136 DLC20260227111344.0790824s1939    paua         s000 0 eng    ags 39000136   a(OCoLC)5306960  aDLCcMsSMdDLC  apremarc00aTP326.U6bP491 aWright, Calvert Charles,d1905-10aHydrogenation of the petrographic constituents of Pittsburgh seam coal,bby C. C. Wright and George C. Sprunk. 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.  aState College, Pa.bThe Pennsylvania State College, School of Mineral Industries,c1939.  a32 p.billus., tables, diagrs.c23 cm.0 aPennsylvania. State College Mineral Industries Experiment Station. Bulletin 26.0 aThe Pennsylvania State College bulletin,vvol. XXXII, no. 26, May 30, 1939  a"References": p. 31-32. 0aHydrogenation. 0aCoalzPennsylvania.1 aSprunk, G. C.q(George C.),d1905-1995.2 aPittsburgh Experiment Station (United States. Bureau of Mines)2 aBituminous Coal Research, inc.