000 00962cam a22002771 4500
001 gs 51000100
003 DLC
005 20260227111357.0
008 780307s1950 dcua f000 0 eng c
010 _ags 51000100
035 _a(OCoLC)3693511
040 _aU.S. Geol. Survey. Libr.
_cUSlW
_dOCoLC
_dDLC
042 _apremarc
050 0 0 _aQE75
_b.P9 no. 229
051 _aTN933
_b.S9
_cCopy 2.
082 _a553.9
100 1 _aStoll, Walter Clericus,
_d1915-
245 1 0 _aMica and beryl pegmatites in Idaho and Montana.
_bA description of mines and prospects examined in each district, some illustrated by maps and structure sections.
260 _aWashington,
_bU.S. Govt. Print. Off.,
_c1950.
300 _av, 64 p.
_billus., maps (8 fold. in pocket)
_c29 cm.
490 1 _aGeological Survey professional paper 229
650 0 _aMica
650 0 _aBeryl
650 0 _aPegmatites
810 2 _aGeological Survey (U.S.).
_tProfessional paper ;
_v229.
999 _c28540
_d28540