Report of J. Ross Browne on the Mineral Resources of the States and Territories West of the Rocky Mountains. [1867].U.S. Government Printing Office, 1868 - 674 pages |
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Page 15
... amalgamation seriously in some other lodes . The quartz of the mother lode is usually hard and white ; and in most of the pay chutes near one wall or the other , ribbon rock , or rock with numerous black seams lying parallel with the ...
... amalgamation seriously in some other lodes . The quartz of the mother lode is usually hard and white ; and in most of the pay chutes near one wall or the other , ribbon rock , or rock with numerous black seams lying parallel with the ...
Page 25
... amalgamate 150 tons of rock per day ; there were experi- enced miners present , familiar with the character of each vein ; there was a rail- road for transporting the rock of two of the principal mines to the mill ; and there were ...
... amalgamate 150 tons of rock per day ; there were experi- enced miners present , familiar with the character of each vein ; there was a rail- road for transporting the rock of two of the principal mines to the mill ; and there were ...
Page 27
... amalgamation , and Professor Ashburner , in a report made in May , 1864 , said that 70 per cent . of the gold in the quartz worked in the Benton mills was lost , or , in other words , only 30 per cent . of it was saved . This fact was ...
... amalgamation , and Professor Ashburner , in a report made in May , 1864 , said that 70 per cent . of the gold in the quartz worked in the Benton mills was lost , or , in other words , only 30 per cent . of it was saved . This fact was ...
Page 29
... amalgamation , there can be no doubt that excellent results will be arrived at in working the mill in its new and well - chosen position , nor can there be any doubt that the mill will receive an ample supply of quartz to engage it ...
... amalgamation , there can be no doubt that excellent results will be arrived at in working the mill in its new and well - chosen position , nor can there be any doubt that the mill will receive an ample supply of quartz to engage it ...
Page 46
... amalgamation is the same as at the Soulsby mill . OLD GILSON . - The Old Gilson mine , 1,200 feet long , adjoining the Platt on the south , was opened to a depth of 125 feet , and to a length on the vein of 250 feet . The rock yields ...
... amalgamation is the same as at the Soulsby mill . OLD GILSON . - The Old Gilson mine , 1,200 feet long , adjoining the Platt on the south , was opened to a depth of 125 feet , and to a length on the vein of 250 feet . The rock yields ...
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Common terms and phrases
abundant acres amalgamation amount average bed rock branch bullion California caƱon cement cent Central Pacific railroad channel City claim coal coast Columbia Comstock lode contains copper cost county seat creek deposits depth distance district ditch drifts east eastern erected estimated Eureka expenses feet deep feet long feet wide Flat flume fork four galena Gold Hill granite grass Grass Valley gravel gulch inches iron labor lake land Lander county located lode metal miles mill miners mines months mountains nearly Nevada obtained opened Oregon Pacific placer mines places portion pounds present production profit quantity quartz railroad range Reese river rich river road salt San Francisco seams shaft side Sierra Sierra Nevada silver slate sluice springs square miles stamps Stanislaus river streams sulphurets supply surface Territory thick timber tons town tunnel valley vein Walla-Walla washed width yield Yuba