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(This photograph is on the website created before FY-04!!) Tongues of diorite porphyry extending upward into calcareous beds, metamorphosing, shattering and mineralizing them, on 1,100 foot level, McCormick crosscut Silver King mine, looking southeast. Summit County, Utah. Circa 1904.
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Banded black and white coarsely crystalline marble; looking west; first mouth of drift on first hanging wall vein east of No. 2 shaft; 1500 level, Ontario mine. Miner's lamp for scale. Park City District. Summit County, Utah. ca. 1902.
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Mines in upper Ontario Canyon, Ontario mine in middle ground, shaft No. 2 at left, shaft No. 3 at right, Wabash shaft in center. In background Naildriver shaft at right, New York shaft at left. Looking southeast. Summit County, Utah. 1902.
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Forms a panorama with photos 197,198. Surface improvements at the Silver King mine, including shaft house, workshops, bunk and boarding house, sampler, mill and aerial tramway. View is west-northwest. Park City District. Summit County, Utah. ca. 1902.
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Quartzite footwall of Yampa limestone on north slope of Sap Gulch. Looking northward over old Highland Boy cyanide mill. Carr Fork, Salt Lake County, Utah. 1902.
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Mines in upper Ontario Canyon, Ontario mine in middle ground, shaft No. 2 at left, shaft No. 3 at right, Wabash shaft in center. In background Naildriver shaft at right, New York shaft at left, looking southeast. Summit County, Utah. Circa 1904. Plate 38-B in U.S. Geological Survey. Professional paper 77. 1912.
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Fissure in quartzite breccia in hanging wall portion of Ontario lode; Looking southwest, 1500 level, Ontario mine. Hammer for scale. Park City District. Summit County, Utah. ca. 1902.
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Face of ore make up of lead, zinc, cuprite, malachite, and pyrite. Ontario vein, 1500 level, looking northeast, Ontario mine. Hammer for scale. Park City District. Summit County, Utah. ca. 1902.
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Metamorphic Ridge. Anchor Mine, showing glacial amphitheatre, with kames and moraines. View is southwest from Daly West Spur. Park City District. Summit County, Utah. ca. 1902.
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Looking toward dumps of the Ontario mineshafts Nos. 2 and 3(left). Mine buildings in foreground. View is north-northeast. Park City District. Summit County, Utah. ca. 1902.
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(This photograph is on the website created before FY-04!!) Barren zone of strong fracturing in quartzite in main Ontario zone, 1,500-foot level Ontario mine, looking northeast. Summit County, Utah. Circa 1904. Plate 30-B in U.S. Geological Survey. Professional paper 77. 1912.
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Head of big stope first set below 900 feet. Wall of galena in gash vein, Silver King mine. Park City district, Summit County, Utah. 1905.
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Barren fissure in quartzite in main Ontario fracture zone; 50 feet above 1500 level, Ontario mine. Lamp for scale. Park city District. Summit County, Utah. ca. 1902.