00821cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035002000092040004600112042001200158050001500170100003500185245010900220260002000329300006400349490012300413650002700536700004000563gs 25000070 DLC20260227111329.0900518s1924    wauaf         000 0 eng c  ags 25000070   a(OCoLC)21552954  aLibrary, U.S. Geological SurveycTxUdDLC  apremarc00aTN816b.M31 aMcMillan, Earl Renwick,d1893-10aCoal washing problems of the Pacific Northwest,cby Earl Renwick McMillan ... and Byron Matthew Bird ...  aSeattle,c1924.  a234 p.billus., plates, tables (part fold.) diagrs.c23 cm.0 aWashington (State) University. Engineering Experiment Station. Engineering Experiment Station series.vBulletin no. 28 0aCoal mines and mining.1 aBird, Byron Matthew,ejoint author.