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Chihuahua stope on Last Chance hill, branching veins in footwall of main vein at left and stratified volcanic material in right center. Mineral County, Nevada. 1912. Plate 16-B in U.S. Geological Survey. Bulletin 594. 1915.
Categories: Image;
Tags: Hill, J.M. Collection,
Last Chance Mine,
Mills, Mines, Quarries,
Mineral County, Nevada,
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photo print, Fewer tags
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South end of Silver Hill, Aurora, shows croppings of Old Esmeralda vein and cliffs where andesitic flows are silicified at the junction of several veins. Mineral County, Nevada. 1912. Plate 16-A in U.S. Geological Survey. Bulletin 594. 1915.
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Vanadium prospect shaft in Richardson amphitheater Looking N. 65 degrees E. along fracture zone. Grand County, Utah. June 23, 1911.
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Alaska. Gently dipping conglomerate, sandstone and siltstone of Summit Island Formation on the southeast end of Summit Island. View is northwest. 1976.
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Sylvanite camp, looking northeast across low gap in Hachita Mountains Grant County, New Mexico. Circa 1905. Plate 22-B in U.S. Geological Survey. Professional paper 68. 1910.
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