00962cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035001900092040004700111042001200158050002200170051002400192082001000216100003500226245016600261260004800427300005500475490004500530650000900575650001000584650001500594810005800609999001700667gs 51000100 DLC20260227111357.0780307s1950 dcua f000 0 eng c ags 51000100  a(OCoLC)3693511 aU.S. Geol. Survey. Libr.cUSlWdOCoLCdDLC apremarc00aQE75b.P9 no. 229 aTN933b.S9cCopy 2. a553.91 aStoll, Walter Clericus,d1915-10aMica and beryl pegmatites in Idaho and Montana.bA description of mines and prospects examined in each district, some illustrated by maps and structure sections. aWashington,bU.S. Govt. Print. Off.,c1950. av, 64 p.billus., maps (8 fold. in pocket)c29 cm.1 aGeological Survey professional paper 229 0aMica 0aBeryl 0aPegmatites2 aGeological Survey (U.S.).tProfessional paper ;v229. c28540d28540