00725cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111042001200136050002300148051002400171100002100195245005300216260005400269300003100323490005100354500005100405650001000456999001700466gs 23000113 DLC20260227111327.0750520s1923    mnu           000 0 eng    ags 23000113   a(OCoLC)1345585  aDLCcOAUdOCoLCdDLC  apremarc00aQE127b.A22 no. 18  aTN939b.K5cCopy 2.1 aKnapp, George N.14aThe foundry sands of Minnesota,cby G. N. Knapp.  aMinneapolis,bThe University of Minnesota,c1923.  avi, 105 p.billus.c23 cm.0 aMinnesota. Geological survey. Bulletinvno. 18  aAt head of title: The University of Minnesota. 0aSand.  c26224d26224