Platinum group elements in native gold, alluvium concentrates, and mineralized rock concentrates from some gold mining districts of Alaska
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02a0016560;¥82.91;20011205d1991 ekmy0engy01;eng;a z 000yy;r;Platinum group elements in native gold, alluvium concentrates, and mineralized rock concentrates from some gold mining districts of Alaska;John B. Cathrall;Denver, CO;USGS;1991;36 p.;1 map;Open-File Report;U.S. Geological Survey;91-348;2252;aOpen-File Report ; fU.S. Geological Survey ; v91-348;阿拉斯加一些金矿区中自然金, 冲积物和矿化岩石精矿中的铂族元素;a331.1;Cathrall;John B.;101;453237;331.1;C28;r¥82.91;a04;b1