00805cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001800092040002000110050002200130051002500152100004900177245006900226260004300295300007600338490004200414504003000456650004800486650001200534999001700546gs 20000418 DLC20260227111325.0720328s1920    dcuabf        000 0 eng    ags 20000418   a(OCoLC)271916  aDLCcODaWUdDLC00aQE75b.B9 no. 697  aTN946b.S78cCopy 2.1 aStone, Ralph W.q(Ralph Walter),d1876-1964.00aGypsum deposits of the United States,cby R.W. Stone and others.  aWashington,bGovt. print. off.,c1920.  a326 p.billus., 36 pl. (incl. maps: part fold.) tables, diagrs.c23 cm.0 aU.S. Geological survey. Bulletinv697  aBibliography: p. 309-316. 0aMines and mineral resourceszUnited States. 0aGypsum.  c26045d26045