000 01119cam a22002771 4500
001 gs 50000063
003 DLC
005 20260227111356.0
008 780307s1950 dcua b f000 0 eng c
010 _ags 50000063
035 _a(OCoLC)3693649
040 _aU.S. Geol. Survey. Libr.
_cUSlW
_dOCoLC
_dDLC
050 0 0 _aQE75
_b.P9 no. 227
051 _aTN948.P38
_bH3
_cCopy 2.
082 _a552.1
100 1 _aHanley, John B.
_q(John Bernard),
_d1913-
245 0 0 _aPegmatite investigations in Colorado, Wyoming and Utah 1942-1944,
_cby John B. Hanley, E. Wm. Heinrich and Lincoln R. Page; a report on resources of beryllium, tantalum and lithium minerals, and of muscovite.
260 _aWashington,
_bU.S. Govt. Print. Off.,
_c1950.
300 _avi, 125 p.
_bplates, maps (part fold. in pocket) diagrs.
_c29 cm.
410 1 0 _aUnited States.
_bGeological Survey.
_tProfessional paper
_v227
504 _aBibliographical footnotes.
650 0 _aPegmatites.
650 0 _aMines and mineral resources
_zColorado.
650 0 _aMines and mineral resources
_zWyoming.
650 0 _aMines and mineral resources
_zUtah.
999 _c28443
_d28443