00928cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040001800111042001200129050001600141082001000157100003600167245016100203260001900364300003000383490005100413500012900464650001600593650004800609999001700657gs 41000116 DLC20260227111346.0760224s1941 maub s000 0 eng  ags 41000116  a(OCoLC)2009733 aDLCcGATdDLC apremarc00aQE461b.B55 a552.11 aBillings, Marland Pratt,d1902-10aPegmatites of Massachusetts,cby Marland P. Billings. Prepared under a cooperative project for geologic investigations in the Commonwealth of Massachusetts. aBoston,c1941. a22 p.bmaps.c28 x 22 cm.0 a[Cooperative Geologic Project] Bulletinvno. 5 aAt head of title: Commonwealth of Massachusetts. Dept. of Public Works, U. S. Department of the Interior. Geological Survey. 0aPegmatites. 0aMines and mineral resourceszMassachusetts. c27726d27726