01009nam a2200265Ia 4500 192023 BIBL 20160527191858.0 921030s1993 dcua f000 0 eng 92040595 n-us-co EVLG QE390.2.G65 M56 1993 553.41/09788/38 20 I 19.16:1537 553.41 M Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado by Nora K. Foley ... [et al.]. Washington U.S. G.P.O. 1993. iv, 39 p. ill. 29 cm. U.S. Geological Survey professional paper 1537 Local 182296 Includes bibliographical references (p. 37-39). Gold ores Geology Colorado Mineral County. Local 103381 Ore deposits Colorado Mineral County. Local 145435 Foley, N. K. Local 97457 145517 145517 0 0 0 553_410000000000000_M664 0 evl 158817 10 10 1 2016-05-27 282119 0 553.41 M664 80000001724734 2016-05-27 00:00:00 r:192023 z:NCC:D 6