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Photomicrograph of fresh and metamorphosed limestone, fresh blue limestone, metamorphosed limestone, white marble, no. 7 tunnel Highland Boy mine, adjacent to intrusive, showing rock altered almost entirely to coarse granular calcite. Salt Lake County, Utah. 1900, plate 29-B in U.S. Geological Survey. Professional paper 38. 1905.
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Form a panorama. Park City monocline shows monoclinal structure of sedimentary formations. Weber quartzite in foreground, Park City formation capping first spur. Thaynes formation on the second and third cuestas, and heavy Triassic sandstone forming the prominent cuesta in the right background, all dipping northwest. Park City in middle ground; Ontario mill in left foreground, and Silver King mine and Crescent Ridge in left background, looking southwest. Summit County, Utah. Circa 1904. Plate 4-A in U.S. Geological Survey. Professional paper 77. 1912.
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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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Cropping of zone at "Discovery," between quartzite walls, looking northeast. Summit County, Utah. Circa 1904. Plate 32-A in U.S. Geological Survey. Professional paper 77. 1912.
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Bedded ferruginous conglomerate along Bingham Creek one-half mile below upper Bingham. Salt Lake County, Utah. 1900, plate 12 in U.S. Geological Survey. Professional paper 38. 1905.
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Horse of Bingham quartzite in monzonite dike sill, Utah level, Old Jordan mine. Salt Lake County, Utah. 1900, plate 22-B in U.S. Geological Survey. Professional paper 38. 1905.
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Dissection of bottom gravels by Bingham Creek in lower Bingham Canyon. View is northest. Salt Lake County, Utah, 1900. Published in black and white as plate 47a in U.S. Geological Survey. Professional paper 38. 1905.
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Stalactite of pisanite, Old Jordan Mine. Salt Lake County, Utah. 1900, black and white published in color as plate 20 in U.S. Geological Survey. Professional paper 38. 1905.
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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. Plate 23-B in U.S. Geological Survey. Professional paper 77. 1912.
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Daly West mine, 1400 feet level, west end stope 40-50 feet above level showing foot wall, pay streak of galena pyrite, some chalcopyrite, slight resin zinc, and silicious gangue. Fissure zone is 30 feet wide. Park City district, Summit County, Utah. 1905.
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Advanced replacement of limestone by copper ore, the dark bands are chalcocite, chalcopyrite and pyrite, the light ones are granular quartz and cherty siliceous limestone. Retention of bedding structure indicates replacement; Telegraph mine, Grecian Bend level. Salt Lake County, Utah. 1900, plate 32-A in U.S. Geological Survey. Professional paper 38. 1905.
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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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Bedded andesite breccia, one-fourth mile east of Lead Mine, looking south. Salt Lake County, Utah. 1900, plate 11 in U.S. Geological Survey. Professional paper 38. 1905.
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Form a panorama with photo 202 of Daly West, Daly Judge, and Diamond-Nimrod mines, and Crescent-fault bluff. View is southwest. Park City District. Summit, Utah. ca. 1902.
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Ontario vein near surface, showing ferruginous breccia under clean hanging wall; 20 feet above Union level, Ontario mine. Hammer for scale. Park City District. Summit County, Utah. ca. 1902.
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(This photograph is on the website created prior to FY-04!!) Lateral moraine ponding Lady Morgan lakes, looking northwest. Daly-Judge office and bunkhouse at left. Summit County, Utah. Circa 1904. Plate 9-B in U.S. Geological Survey. Professional paper 77. 1912.
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Looking down on workings of Ontario Mine behind Ontario office and bunkhouse. Parley's Park shaft can be seen on the skyline. View is east-southeast. Park city District. Summit County, Utah. ca. 1902.
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Bedded structure in andesitic flows and breccias, north of mouth of Ontario drain tunnel, looking north. Summit County, Utah. Circa 1904. Plate 10-A in U.S. Geological Survey. Professional paper 77. 1912.
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Sulphide enrichment. A central band of cupriferous pyrite (P) containg a trace of tellurium and low values in copper, gold, and silver, is inclosed by bands of chalcocite (C) and tenorite, forming the outer portion of the vein containing considerable tellurium, and high values in copper, gold, and silver. Speciment is from Commerical mine. Natural size. Speciment 220. Salt Lake county, Utah, 1900, in false color as plate 38c in U.S. Geological Survey. Professional paper 38. 1905.