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pg 018: Second annual report of the Geological and Agricultural Survey of Texas Publication 25425061.

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18

sandrocks of the Potsdam period. We visited this place last spring. A shaft has been sunk to about twenty feet, and the mine abandoned, the ore being scattered through the rocks and no regular veins; indication unfavorable.

The following list, from the Mining Review, of Denver, of June 10, 1876, embraces nearly all the shafts in the West, that have been sunk to a depth of 500 feet and over, on veins worked mainly for the precious metals:

State or Place. Metal. Name of Mine. Depth Territory. California. Grass Valley. Gold Empire 1400 do do do North Star 1300 do do do Eureka 1300 do do do Idaho 1200 do Bear Valley do Pine Tree 1100 do do do Princeton 900 do Grass Valley do N. Y. Hill 800 do Amador co do Consol. Amador 900 do Silver Mt. do Pennsylvania 800 do Bear Valley do Josephine 700 do Amador co do Mahoney 700 do El Dorado co do St. Lawrence 500 do Deer Creek do Providence 500 Nevada Virginia City Silver Hale & Norcross 2200 do do do Imperial Empire 2200 do do do Savage 2000 do do do Best & Belcher 1800 do do do Gould & Carry 1750 do do do Bullion 1700 do do do Crown Point 1700 do do do Belcher 1600 do do do Julia 1600 do do do Consol. Virginia 1600 do do do Ophir 1600 do do do California 1600 do Pioche do Meadow Valley 1350 do do do Raymond & Ely 1300 do Eureka do Richmond Consol 1200 do do do Eureka 1100 do do do K. K. 900

 

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