000 01009nam a2200265Ia 4500
001 192023
003 BIBL
005 20160527191858.0
008 921030s1993 dcua f000 0 eng
010 _a 92040595
043 _an-us-co
049 _aEVLG
050 0 0 _aQE390.2.G65
_bM56 1993
082 0 0 _a553.41/09788/38
_220
086 0 _aI 19.16:1537
092 _a553.41
_bM
245 0 0 _aMineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado
_cby Nora K. Foley ... [et al.].
260 _aWashington
_bU.S. G.P.O.
_c1993.
300 _aiv, 39 p.
_bill.
_c29 cm.
490 0 _aU.S. Geological Survey professional paper
_v1537
_2Local
_9182296
504 _aIncludes bibliographical references (p. 37-39).
650 0 _aGold ores
_xGeology
_zColorado
_zMineral County.
_2Local
_9103381
650 0 _aOre deposits
_zColorado
_zMineral County.
_2Local
_9145435
700 1 0 _aFoley, N. K.
_2Local
_997457
999 _c145517
_d145517