Report of J. Ross Browne on the Mineral Resources of the States and Territories West of the Rocky Mountains. [1867]. |
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Page 21
... average amount spent on the trip by visitors is not less than $ 150 . On the Coulterville trail there is a stretch of 39 miles to be made on horseback , with no house on the way ; and on the Mariposa trail the nearest house to the ...
... average amount spent on the trip by visitors is not less than $ 150 . On the Coulterville trail there is a stretch of 39 miles to be made on horseback , with no house on the way ; and on the Mariposa trail the nearest house to the ...
Page 24
... average gross yield for this period of $ 4 52 per ton . In brief , the average yield of this mine was at that time so low that it was partially abandoned as worthless by their method of saving gold . Under the next management , ( that ...
... average gross yield for this period of $ 4 52 per ton . In brief , the average yield of this mine was at that time so low that it was partially abandoned as worthless by their method of saving gold . Under the next management , ( that ...
Page 25
... average of $ 40 per ton . The old mills have produced upwards of $ 3,500,000 . Under an intelligent system of working they ought to have yielded over $ 10,000,000 . The amount of profits from the estate can only be estimated in ...
... average of $ 40 per ton . The old mills have produced upwards of $ 3,500,000 . Under an intelligent system of working they ought to have yielded over $ 10,000,000 . The amount of profits from the estate can only be estimated in ...
Page 31
... average yield is about $ 40 per ton , or was for all the work done . The mine has been standing idle now for several years on account of the water , which at times has risen nearly to the surface . A shaft was sunk to a depth of 170 ...
... average yield is about $ 40 per ton , or was for all the work done . The mine has been standing idle now for several years on account of the water , which at times has risen nearly to the surface . A shaft was sunk to a depth of 170 ...
Page 39
... average height above the adjacent ground in Tuolumne county is from 500 to 800 feet on the northern side , and from 200 to 500 on the southern . The adjacent earth has been washed away to a greater depth near the line of the mountain ...
... average height above the adjacent ground in Tuolumne county is from 500 to 800 feet on the northern side , and from 200 to 500 on the southern . The adjacent earth has been washed away to a greater depth near the line of the mountain ...
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abundant acres amount average bed rock branch bullion California caƱon cement cent Central Pacific railroad channel City claim coal coast Columbia commenced Comstock lode contains copper cost county seat creek deposits depth distance district ditch drifts east eastern erected estimated Eureka expenses extends feet deep feet long feet wide Flat flume fork 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