![]() ![]() With its transition from steam to electric dredges in 1907 and completion of its largest dredge, “No. The Conrey Company’s first dredging efforts in Alder Gulch, one of Montana’s earliest mining districts, borrowed heavily from technology developed in New Zealand during the 1860s and California during the 1890s. Spence places the Conrey Placer Mining Company in perspective with the international development of dredge mining during the late 19th century. In so doing, dredge mining revolutionized the mining industry. Gold dredging, a highly mechanized way of extracting placer gold from the gravel of streambeds, offered western mining companies an oppor tunity to “apply the mass production of Henry Ford’s America to placer deposits” (p. Clark Spence’s The Conrey Placer Mining Company: A Pioneer Gold-dredging Enterprise in Montana, 1897-1922 documents one of the little-known industrial frontiers in the Rocky Mountain region. ![]() ![]() Whether directly related to the extraction of minerals or tangentially affecting society and culture on the mining frontier, dramatic changes in technology characterized the industrial West at the turn of the century. Few industries produced technological innovation comparable to that of the western mining industry in 19th-century America. x+ 161 illustrations, notes, bibliography, index. Helena: Montana His torical Society Press, 1989 distributed by University of Washington Press, Seattle. TECHNOLOGY AND CULTURE Book Reviews 609 The Conrey Placer Mining Company: A Pioneer Gold-dredging Enterprise in Montana, 1897-1922. In lieu of an abstract, here is a brief excerpt of the content: ![]()
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