01262cam a22003011 4500001001300000003000400013005001700017008004100034010001700075035002000092040004700112042001200159050001600171100002700187245013200214260004700346300004800393490012300441500020000564504002800764504003200792650001200824650001000836700003000846710003700876710003000913999001700943po 34000045 DLC20260227111858.0870529s1934 wau 000 0 eng c apo 34000045  a(OCoLC)15746921 aLibrary, U.S. Patent OfficecTNJdTNJdDLC apremarc00aTN942b.W531 aWilson, Hewitt,d1891-10aKaolin and china clay in the Pacific northwest,cby Hewitt Wilson, with geological contributions by George Edward Goodspeed ... aSeattle,bUniversity of Washington,c1934. a184 p.bincl. maps, tables, diagrs.c23 cm.0 aWashington (State) University. Engineering experiment station. Engineering experiment station series.vBulletin no. 76 a"This paper presents the results of work done under a cooperative agreement between the Northwest experiment station, U.S. Bureau of mines, and the University of Washington, Seattle, Washington." a"References": p. 31-33. aBibliographical foot-notes. 0aKaolin. 0aClay.1 aGoodspeed, George Edward.1 aUnited States.bBureau of Mines.2 aUniversity of Washington. c51690d51690