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Typical lower beds of the Wallace formation, 1.5 miles east of Wallace, shows irregular banding with rather indistinct cleavage crossing planes of stratification, beds at this locality are sharply folded. Shoshone County, Idaho. August 31, 1904, plate 5-B in U.S. Geological Survey. Professional paper 62. 1908.
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From Florence Hill looking northwest. Esmeralda County, Nevada. 1905. Plate 12-A in U.S. Geological Survey. Professional paper 66. 1909.
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Near view of dacitic ledge near the Blue Bull mine; showing structure. Esmeralda County, Nevada. 1905. Plate 19-B in U.S. Geological Survey. Professional paper 66. 1909.
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Dacitic ledges meeting on ridge near the Commonwealth mine. Esmeralda County, Nevada. 1905. Plate 19-A in U.S. Geological Survey. Professional paper 66. 1909.
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Album Caption and Index card: Under surface of gypsum. Rico-Aspen Mine. Rico District. Rico Quadrangle. Dolores County, Colorado. 1900. Published in U.S. Geological Survey 22nd Annual Report Part 2, Plate 33. 1901.
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Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring. lower portion of exposed section. Gila County, Arizona. December 13, 1901. Plate 10-B in U.S. Geological Survey Professional Paper 12. 1903.
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Album caption: Bisbee quad Arizona. Cochise County. November 26, 1902, Dir. NW. Same as as 5x7 photograph number 380. Index card: The great overthrust, near Glance.
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Cambrian shale (dark rock) cut by alaskite (light rock), south slope of Columbia Mountain. Esmeralda County, Nevada. 1905. Plate 5-B in U.S. Geological Survey. Professional paper 66. 1909.
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Goldfield: from point near the Old Blue Bull shaft, characteristic ledge outcrops in foreground; Malpais Mesa behind the town; Montezuma Peak beyond, looking west. Esmeralda County, Nevada. 1905. Plate 3-A in U.S. Geological Survey. Professional paper 66. 1909.
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Ledge outcrops in Milltown andesite about 2 miles east of Goldfield. Esmeralda County, Nevada. 1905. Plate 14-A in U.S. Geological Survey. Professional paper 66. 1909.
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French Gulch from Nigger Hill, showing mines and dredging operations. Starting in the lower left corner with the Reiling dredge. This has just turned after a successful run upstream. A few visible operations are further identified from near top of hill at left to right: as Old Onion shaft, Old Union mill and tunnel, lower left, and Reliance dredge just right of center. Mineral and Farncomb hills are seen in the distant background. Breckenridge District. Summit County, Colorado. 1909. Plate 24-B in U.S. Geological Survey Professional paper 75, 1911.
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Album caption: Newman Hill Mines from Iron Draw. District Rico. Dolores County, Colorado. Handwritten notes on Album Caption: 1900. Index card: New man Hill mine from Iron Draw. Rico district, Dolores County, Colorado. 1900. Published as Plate XXV11 in 22nd Annual Report, pt. 2, 1900-1901.
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Album caption & Index card: Under surface of Gypsum. Rico-Aspen Mine. Rico District. Dolores County, Colorado. 1900. Published in U.S. Geological Survey 22nd Annual Report Part 2, Plate 32-A. 1901.
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Farncomb Hill from the north. The steep ridge in distance is Bald Mountain, separated from Farncomb Hill by French Gulch. The productive part of the hill as regards the rich gold veins extends from the Ontario shaft house, just visible on the crest to the right, diagonally down the hill to Dry Gulch, which is the small ravine on the extreme left. The first group of dumps east of the Ontario marks the workings of the Key West and Boss mines. In the larger area to the east of these, denuded of trees and covered with dumps, are the workings of the Wapiti group. Below the Ontario and Key West may be seen the old placer workings at the head of Georgia Gulch. Summit County, Colorado. 1909. Plate 27-B in U.S. Geological...
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Wellington Mine from the lower County Boy Tunnel. These are properly the Oro workings, with old Wellington tunnel being nearly half a mile up the gulch, to the right. Summit County, Colorado. 1909.
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Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring; shows character of deposit in its upper portion. Gila County, Arizona. December 13, 1901. Plate 11-A in U.S. Geological Survey Professional Paper 12. 1903.
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Naco Hills from crest of Escabrosa ridge. In the foreground are hills near the mouth of Escacado Canyon, composed of faulted masses of Pinal schists and various Paleozoic formations. In the distance, below the Naco Hills, to the west and southwest is San Pedro valley, stretching southward into Mexico. On the left appears an outlying spur of the San Jose Mountains, beyond which on a clear day may be seen the town of Cananea. Cochise County, Arizona. December 19, 1902. Plate 8-B in U.S. Geological Survey Professional Paper 21. 1904. Figure 6 in U.S. Geological Survey Folio 112. 1904.
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Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring. Character of deposit 25 feet stratigraphically above photo 331. Gila County, Arizona. December 13, 1901. Plate 10-A in U.S. Geological Survey Professional Paper 12. 1903.
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Ledge outcrops in latite on Banner Mountain. Esmeralda County, Nevada. 1905. Plate 15-B in U.S. Geological Survey. Professional paper 66. 1909.


map background search result map search result map Newman Hill mine. Rico District, Dolores County, Colorado. 1900. Under surface of gypsum. Rico-Aspen Mine. Rico District. Dolores County, Colorado. 1900. Under surface of Gypsum. Rico-Aspen Mine. Rico District. Dolores County, Colorado. 1900. Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring; shows character of deposit in its upper portion.  Gila County, Arizona. 1901. Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring. Gila County, Arizona. 1901. Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring. Gila County, Arizona. 1901. Naco Hills from crest of Escabrosa ridge. Cochise County, Arizona. 1902. Typical lower beds of the Wallace formation. Shoshone County, Idaho. 1904. Mother Lode - Daddy and Yosemite mines. Coeur D'Alene district, Shoshone County, Idaho. 1904. Cambrian shale (dark rock) cut by alaskite (light rock), south slope of Columbia Mountain. Esmeralda County, Nevada. 1905. Ledge outcrops in latite on Banner Mountain. Esmeralda County, Nevada. 1905. Ledge outcrops in Milltown andesite about 2 miles east of Goldfield. Esmeralda County, Nevada. 1905. Goldfield: from point near the Old Blue Bull shaft. Esmeralda County, Nevada. 1905. Near view of dacitic ledge near the Blue Bull mine. Esmeralda County, Nevada. 1905. Dacitic ledges meeting on ridge near the Commonwealth mine. Esmeralda County, Nevada. 1905. From Florence Hill looking northwest. Esmeralda County, Nevada. 1905. Wellington Mine from the lower County Boy Tunnel. Summit County, Colorado. 1909. French Gulch showing mines and dredging operations. Starting in the lower left corner with the Reiling dredge.  Summit County, Colorado. 1909. Farncomb Hill from the north. The steep ridge in distance is Bald Mountain, separated from Farncomb Hill by French Gulch. Summit County, Colorado. 1909. Great overthrust near Glance. El Paso & Southwestern number 1 locomotive in photo. Cochise County, Arizona. 1902 Wellington Mine from the lower County Boy Tunnel. Summit County, Colorado. 1909. French Gulch showing mines and dredging operations. Starting in the lower left corner with the Reiling dredge.  Summit County, Colorado. 1909. Farncomb Hill from the north. The steep ridge in distance is Bald Mountain, separated from Farncomb Hill by French Gulch. Summit County, Colorado. 1909. Under surface of gypsum. Rico-Aspen Mine. Rico District. Dolores County, Colorado. 1900. Under surface of Gypsum. Rico-Aspen Mine. Rico District. Dolores County, Colorado. 1900. Naco Hills from crest of Escabrosa ridge. Cochise County, Arizona. 1902. Great overthrust near Glance. El Paso & Southwestern number 1 locomotive in photo. Cochise County, Arizona. 1902 Typical lower beds of the Wallace formation. Shoshone County, Idaho. 1904. Mother Lode - Daddy and Yosemite mines. Coeur D'Alene district, Shoshone County, Idaho. 1904. Cambrian shale (dark rock) cut by alaskite (light rock), south slope of Columbia Mountain. Esmeralda County, Nevada. 1905. Ledge outcrops in latite on Banner Mountain. Esmeralda County, Nevada. 1905. Ledge outcrops in Milltown andesite about 2 miles east of Goldfield. Esmeralda County, Nevada. 1905. Goldfield: from point near the Old Blue Bull shaft. Esmeralda County, Nevada. 1905. Near view of dacitic ledge near the Blue Bull mine. Esmeralda County, Nevada. 1905. Dacitic ledges meeting on ridge near the Commonwealth mine. Esmeralda County, Nevada. 1905. From Florence Hill looking northwest. Esmeralda County, Nevada. 1905. Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring; shows character of deposit in its upper portion.  Gila County, Arizona. 1901. Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring. Gila County, Arizona. 1901. Whitetail formation, as exposed three-quarters of a mile northwest of Continental spring. Gila County, Arizona. 1901. Newman Hill mine. Rico District, Dolores County, Colorado. 1900.