00777cam a22002411 4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111042001200157050002300169082001100192100003200203245008600235260001800321300003200339410010100371504002500472650002100497999001700518gs 58000186 DLC20260227111406.0770801s1958 mouab b 000 0 eng c ags 58000186  a(OCoLC)3152849 aU. S. Geol. Survey Libr.cTxCMdTxCMdDLC apremarc00aQE131b.A25 no. 23 a552.521 aHerold, Paul George,d1909-10aStudy of Missouri shales for lightweight aggregate,cby P. G. Herold [and others] aRolla,c1958. a39 p.billus., map.c23 cm.10aMissouri.bDivision of Geological Survey and Water Resources.tReport of investigations,vno. 23 aBibliography: p. 39. 0aShalezMissouri. c29254d29254