Commercial Report of the Eastern Oregon Gold Fields: Showing the Mining, Farming, Stock Raising, Lumbering and Fruit Growing Resources |
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10-stamp mill arastra assays Average value Baisley-Elkhorn BAKER CITY CHAMBER Baker City gold Baker county Blue mountains Bonanza Burnt river Cable Cove camp capacity cent City gold fields concentrates Cracker Creek District crosscut tunnel Dave Littlefield depth Eagle Eastern Oregon Gold Elkhorn mountains Elkhorn Range feet below apex feet deep feet in thickness feet of tunnels feet thick foothills Formation four feet free gold Golconda Gold Mining Company gravel group of mines high-grade Ibex Iron Dyke large ledge located Lowest machinery miles from Baker mines and prospects North Pole northeast of Baker operation Oregon Gold Fields Oregon Lumber Company parent ledge pay chutes placer mines plant porphyry Powder river Powder River Valley produced property consists quartz quartz ledges Red Boy saved on plates shaft shipped silver Snake river southwest stamp mill Sumpter ten-stamp mill third mineral zone three claims timber tributary true fissure vein twenty miles west of Baker