000 00793cam a22002411 4500
001 gs 49000161
003 DLC
005 20260227111355.0
008 780815s1948 mtua 000 0 eng
010 _ags 49000161
035 _a(OCoLC)4143570
040 _aDLC
_cTxEU
_dDLC
042 _apremarc
050 0 0 _aTN24.M9
_bK3
100 1 _aKarlstrom, Thor N. V.,
_d1920-
245 1 0 _aGeology and ore deposits of the Hecla mining district, Beaverhead County, Montana.
260 _aButte,
_bMontana School of Mines,
_c1948.
300 _a87 p.
_billus., maps (part fold.)
_c28 cm.
410 2 0 _aMontana Bureau of Mines and Geology.
_tMemoir
_vno. 25
504 _aBibliography: p. 85-87.
650 0 _aGeology
_zMontana
_zHecla district.
650 0 _aOre deposits
_zMontana
_zHecla district.
999 _c28388
_d28388