Silver and Gold: An Account of the Mining and Metallurgical Industries of the United States |
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الصفحة 60
... limestone belt which probably owe its origin to the same causes . The quartz ledges in the vicinity of the town are all supposed to be on the Mother lode , which lies immediately to the east . They are , begin- ning with the most ...
... limestone belt which probably owe its origin to the same causes . The quartz ledges in the vicinity of the town are all supposed to be on the Mother lode , which lies immediately to the east . They are , begin- ning with the most ...
الصفحة 64
... limestone belt from Columbia at Kincaid Flat , and in the bed of Wood's Creek . The Maine Boys ' ground , after many vicissitudes of good and bad fortune for nearly twenty years , passed into the hands of its present energetic owner ...
... limestone belt from Columbia at Kincaid Flat , and in the bed of Wood's Creek . The Maine Boys ' ground , after many vicissitudes of good and bad fortune for nearly twenty years , passed into the hands of its present energetic owner ...
الصفحة 65
... limestone belt , the population of Sonora increased with great rapidity and was estimated to be at least five thousand persons . This population , however , was much diminished in the succeeding year by the enforce- ment of the foreign ...
... limestone belt , the population of Sonora increased with great rapidity and was estimated to be at least five thousand persons . This population , however , was much diminished in the succeeding year by the enforce- ment of the foreign ...
الصفحة 67
... and Springfield . The first - named was once an important place , second only to Sonora in population and wealth . All these towns are situated on the limestone belt , which CONDITION OF MINING INDUSTRY - CALIFORNIA . 67.
... and Springfield . The first - named was once an important place , second only to Sonora in population and wealth . All these towns are situated on the limestone belt , which CONDITION OF MINING INDUSTRY - CALIFORNIA . 67.
الصفحة 68
... limestone belt , which is here nearly three miles in width , immediately to the east of Table Mountain , and have an elevation above sea - level of about 2,100 or 2,200 feet , being but little less than that of the plane of the mountain ...
... limestone belt , which is here nearly three miles in width , immediately to the east of Table Mountain , and have an elevation above sea - level of about 2,100 or 2,200 feet , being but little less than that of the plane of the mountain ...
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50 feet amalgam amount antimony arrastra assay average Bannack base bullion bed-rock bullion Calaveras County California Cañon carbonate cent chemical claim coal commenced company's contains copper cost County course Creek Cupellation December deposits depth developed district ditch drift drill east El Dorado County engine erected Eureka expense extracted feet deep feet in length feet long feet wide furnace galena gangue gold Gold Hill gravel ground Gulch Hill hundred hydraulic inches incline iron labor lead ledge limestone located lode metallurgy metals miles mill miners Mining Company months nearly Nevada opened operations ounces owners placer mines pounds present Professor prospecting quantity quartz quartzite rich River rock San Francisco silver slag slate smelting smelting-works stamps stopes sulphurets sunk supply surface Table Mountain tailings thick tion tons Total tunnel Tuolumne County tuyeres Valley vein width yield