00655cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111050002200130100004600152245007600198260002400274300001000298410006200308504003100370650001900401999001700420gs 58000173 DLC20260227111406.0790607s1957    inu      b   s000 0 eng    ags 58000173   a(OCoLC)5044661  aDLCcTxCMdDLC00aQE109b.A3 no. 111 aMurray, Haydn H.q(Haydn Herbert),d1924-10aPennsylvanian underclays: potential bonding clays for use in foundries.  aBloomington,c1957.  a27 p.10aIndiana.bGeological Survey.tReport of progress,vno. 11  a"Literature cited": p. 27. 0aClayzIndiana.  c29248d29248