000 01258cam a2200301 4500
001 gs 68000275
003 DLC
005 20260227111423.0
008 690605s1967 mtuab b 00010 eng c
010 _ags 68000275 //r862
040 _aU.S. Geological Survey Library
050 0 _aQE133
_b.S5
082 _a553/.24/097866
100 1 0 _aSilverman, A. J.
_q(Arnold J.),
_d1931-
245 1 0 _aStratigraphy and economic geology of the Great Falls-Lewistown coal field, central Montana,
_cby Arnold J. Silverman and William L. Harris.
260 0 _aButte,
_bMontana College of Mineral Science and Technology; [for sale by Montana Bureau of Mines and Geology]
_c1967.
300 _aiv, 20 p.
_billus., maps (1 fold. in pocket)
_c28 cm.
350 _a0.75
490 1 _aMontana. Bureau of Mines and Geology. Bulletin 56
500 _aPrepared in cooperation with Montana University System Coal Resources Research Council.
504 _aBibliography: p. 17.
650 0 _aGeology
_zMontana.
650 0 _aCoal
_zMontana.
650 0 _aGeology, Stratigraphic
_yMesozoic.
700 1 0 _aHarris, William L.,
_ejoint author.
740 1 _aGreat Falls-Lewistown coal field, central Montana.
830 0 _aBulletin (Montana Bureau of Mines and Geology) ;
_v56.
999 _c30496
_d30496