00944cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040003600111042001200147050001500159100004300174245024800217260006000465300004800525490004900573504003000622650001000652650002300662999001700685gs 21000064 DLC20260227111325.0780330s1920    xx            000 0 eng c  ags 21000064   a(OCoLC)3764292  aU.S. Geological SurveycOTdDLC  apremarc00aTN939b.R51 aRichardson, Charles Henry,d1862-1935.14aThe glass sands of Kentucky;ba detailed report covering the examination, analysis and industrial evaluation of the principal glass sand deposits of the state,cby Charles Henry Richardson. Ill. with twenty-three photographs, maps and designs.  aFrankfort, Ky.,bThe Kentucky Geological survey,c1920.  aviii, 149 p.billus., maps, tables.c24 cm.0 aKentucky. Geological survey. Series 6.vv. 1  aBibliography: p. 139-145. 0aSand. 0aGlass manufacture.  c26068d26068