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Ponding by ground and frontal moraines at east end of Bonanza Flat, looking southwest toward main divide of Wasatch Range. In background Timpanogos Peak and at left Provo Peaks. Wasatch County, Utah. Circa 1904. Plate 9-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. Specimen is from Commercial 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.
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(This photo is on the website created prior to FY 04!) Massachusetts fault, crossing from Massachusetts shaft, at the left, to the right; ledges along the lower right hand side of the gulch are Weber quartzite north of fault. Alliance tunnel in right foreground, Daly-Judge tunnel at left; Crescent Ridge in left background, looking southwest along Walker and Webster Gulch. Summit County, Utah. Circa 1904. Plate 17-B in U.S. Geological Survey. Professional paper 77. 1912.
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Photomicrographs showing replacement of metamorphosed limestone by chalcopyrite and pyrite. Chalcopyrite and pyrite replacing siliceous limestone. From no. 1 ore body, no. 6 level, Highland Boy mine. Irregular intergrowth of chalcopyrite and pyrite. Salt Lake County, Utah. 1900, plate 34-B in U.S. Geological Survey. Professional paper 38. 1905.
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Boston Consolidated Tunnels, Salt Lake County, Utah. 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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Glacial striae on roche moutonees of diorite, eastern slope of Clayton Peak, in upper Bonanza Flat. Wasatch County, Utah. Circa 1904. Plate 8-B in U.S. Geological Survey. Professional paper 77. 1912.
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Crescent fault, limestone of Thaynes formation at left, truncated on the north and offset to the west, continuing northward in Crescent Ridge at right background. Looking southwest across Empire Canyon and Walker and Webster Gulch. Summit County, Utah. Circa 1904. Plate 17-A in U.S. Geological Survey. Professional paper 77. 1912.
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Form a panorama. Clayton Peak diorite stock, diorite encircled by metamorphosed sediments lying to the right of Brighton Gap in right foreground and to left of the gap at left. Glacial topography (cirques, roche moutonees and moraines) developed on diorite. Summit County, Utah. Circa 1904. Plate 4-B in U.S. Geological Survey. Professional paper 77. 1912.
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Photomicrograph of fresh and metamorphosed limestone, fresh blue limestone, south slope of West Mountain, 700 feet west of intrusive. A normal impure calcareous matrix includes fossils and veinlets of calcite. Salt Lake County, Utah. 1900, plate 29-A in U.S. Geological Survey. Professional paper 38. 1905.
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Form a panorama with photo 200 of Quince, Daly Judge, Daly West, and Diamond-Nimrod mines. View is southwest. Park City District. Summit County, Utah. ca. 1902.
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Photomicrographs of chalcopyrite associated with contact metamorphic minerals. Specularite replacing calcite, from wall of east-west fissure, west end no. 6 level, Highland Boy mine. The black areas are foils of specularite, which replace calcite. The hand specimen from which this thin section was made shows chalcopyrite intergrown with specularite and replacing marble. Salt Lake County, Utah. 1900, plate 37-B in U.S. Geological Survey. Professional paper 38. 1905.
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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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Photomicrographs of chalcopyrite developing in altered monzonite, chalcopyrite developing in biotite, from dump of Eldorado shaft, Boston Consolidated group. Original constituents and structure not visible, irregular masses and chains of chalcopyrite are embedded in flaky aggregates of dark brown mica probably secondary biotite, and intergrown with secondary granular quartz. Salt Lake County, Utah. 1900, plate 27-B in U.S. Geological Survey. Professional paper 38. 1905.
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Daly West mine: office, shaft, and mill in middle ground; Daly-Judge shaft in background at center, and Diamond-Nimrod shaft at right, looking southwest. Summit County, Utah. 1902. Plate 41-B in U.S. Geological Survey Professional Paper 77.
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Ores in Silver King mine. Beds of rich ore, carrying lead and copper, in Weber quartzite adjacent to fissure, on 1,200-foot level, looking east. Summit County, Utah. Circa 1904. Publisdhed as Plate 44-A in U.S. Geological Survey Professional paper 77. 1912.


map background search result map search result map Ores in Silver King mine.Summit County, Utah. Circa 1904. Lateral moraine ponding Lady Morgan lakes, looking northwest.  Summit County, Utah. 1904. Massachusetts fault, crossing from Massachusetts shaft. Summit County, Utah. 1904. Crescent fault, limestone of Thaynes formation at left.  Summit County, Utah. 1904. Glacial striae on roche moutonees of diorite, eastern slope of Clayton Peak, in upper Bonanza Flat. Wasatch County, Utah. 1904. Form a panorama. Clayton Peak diorite stock. Summit County, Utah. 1904. Ponding by ground and frontal moraines at east end of Bonanza Flat. Wasatch County, Utah. 1904. Glacial striae on roche moutonees of diorite, eastern slope of Clayton Peak, in upper Bonanza Flat. Wasatch County, Utah. 1904. Ponding by ground and frontal moraines at east end of Bonanza Flat. Wasatch County, Utah. 1904. Ores in Silver King mine.Summit County, Utah. Circa 1904. Lateral moraine ponding Lady Morgan lakes, looking northwest.  Summit County, Utah. 1904. Massachusetts fault, crossing from Massachusetts shaft. Summit County, Utah. 1904. Crescent fault, limestone of Thaynes formation at left.  Summit County, Utah. 1904. Form a panorama. Clayton Peak diorite stock. Summit County, Utah. 1904.