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当前,正当北美金矿的开采大部分集中在加拿大中部之际,美国西海岸又对原先那些无开采价值的矿床发生兴趣。美国1986～1987年即将投产的许多新矿山,都位于19世纪涌现采金热潮的加利福尼亚和内华达州地区或其附近。几乎在北部一千英里之外(1英里=1.609km),在加拿大边境附近,美国阿萨
Right now, just as much of North America’s gold mines are being mined in central Canada, the West Coast of the United States is once again interested in previously untapped deposits. Many of the new mines that the United States is about to put into operation from 1986 to 1987 are located in or near the California and Nevada regions where the gold mining boom emerged in the 19th century. Almost a thousand miles north (1 mile = 1.609km), near the Canadian border, the U.S. Assa