000 00999cam a2200277 4500
001 gs 68000342
003 DLC
005 20260227111423.0
008 690603s1968 dcuab b 00110 eng c
010 _ags 68000342 //r882
040 _aU.S. Geological Survey Library
050 0 _aQE75
_b.P9 no. 610
051 _aTN423.A5
_bK6
_cCopy 2.
082 _a553/.41/0973
100 1 0 _aKoschmann, Albert Herbert,
_d1896-1962.
245 1 0 _aPrincipal gold-producing districts of the United States,
_cby A. H. Koschmann and M. H. Bergendahl.
260 0 _aWashington,
_bU.S. Dept. of the Interior,
_c1968.
300 _av, 283 p.
_billus., maps.
_c30 cm.
350 _a4.75
490 1 _aGeological Survey professional paper 610
504 _aBibliography: p. 263-276.
650 0 _aGold mines and mining
_zUnited States.
650 0 _aGold ores
_zUnited States.
700 1 0 _aBergendahl, M. H.
_q(Maximilian Hilmar),
_d1921-
_ejoint author.
830 0 _aGeological Survey professional paper ;
_v610.
999 _c30541
_d30541