The Centennial Gold Mining Company of Wyoming Territory Superintendent's Report: October 10th, 1877 |
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amount assay base-metal C. G. M. Co cation Centennial district CENTENNIAL GOLD MINING Centennial Mountain Centennial region Cloud Mining Co's coarse gold Colorado copper cribbed cuprite depth of forty ditch and flume equal one-third owner excavation expenditures extensive deposit feet in depth feet in thickness fifty feet float found forty feet gangue gold-bearing Grant and Boswell gravel gulches heavy mineral Hidden Treasure horizontal drift incline LARAMIE CITY last season lodes lower tunnel Messrs miles southwest mill run mineral region MINING COMPANY mining enterprise Mountain Gorge nearly North Fork North Park North Platte operations ounces of gold outcropping oxyd panning party placer mines portation prosecuted prospecting for placer quartz red granite returns ridge shaft silver sinking slope spur cut stock-holders stoped struck subsistence sunk surface indications thirty-seven ounces timber tributary twelve feet twenty-five feet vein and spurs vein or spur vertical water for sluicing width yield