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Photomicrograph of vein rock shown in photo 37, with plain light, showing orthoclase, or, fractured and veined by quartz q. Bartow County, Georgia. Circa 1944. Plate 12-C, in U.S.Geological Survey Professional paper 224. 1950.
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Radiating intergrowths of quartz (white) and ferruginous rhodochrosite (gray) with small patches of finely divided sulphides (black); photomicrograph (ordinary light) of this thin section of ore from 1000-foot level, Belmont vein. Nye County, Nevada. 1915. Plate 6- A in U.S. Geological Survey. Professional paper 104. 1918.
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Pikes Peak granite on top of Front Range southwest of Palmer Lake, showing jointing and rounded weathering of granite. El Paso County, Colorado 1913. Plate 18 in U.S. Geological Survey. Folio 198. 1915.
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Looking down San Juan Canyon, at a point 9 miles by stream above Honaker Trail, canyon has been cut in Goodridge formation. San Juan County, Utah. 1921. Plate 3-A in U.S. Geological Survey. Professional paper 132. 1925. Plate 3-B in U.S. Geological Survey. Professional paper 188. 1938. Plate 2-B in U.S. Geological Survey. Water-supply paper 538. 1924.
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Form a panorama of Dry Fork valley from a little knoll on the southwest margin of the valley, Slug Creek quadrangle; former outlet; young valley of Blackfoot cycle, which now drains it. Caribou County, Idaho. Circa 1911. Plate 13-B in U.S. Geological Survey. Professional paper 152. 1927.
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Vertical shearing in granite north of Charity valley. County, California. Circa 1895. Plate 7-B in U.S. Geological Survey. Professional paper 73. 1911.
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Faulted veinlets of chalcocite and quartz pyrite ore; Mountain View mine, 600 foot level, south crosscut, north vein, east vein. Jefferson County, Montana. Circa 1900. Plate 16-B in U.S. Geological Survey. Professional paper 74. 1912.
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Textures of intrusive breccias, composed of various rock fragments in a matrix of fine- grained rock: From Daisy Mine, fragments consist of mudstone, sandstone and altered porphyry. Colorado. Circa 1936. Plate 5-B, in U.S.Geological Survey Professional paper 219. 1949.
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Flutings in the weathered surface of the Colgate sandstone member of the Fox Hills sandstone in the railroad cut 3.5 miles west of Marmarth, Slope County, North Dakota. Circa 1923. Plate 4-C in U.S. Geological Survey. Professional paper 158. 1930. Plate 2- B in U.S. Geological Survey. Bulletin 775. 1928.
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Black Mountain from the northeast; composed of Batamote andesite. Note steep debris slopes below the cliffs and the uneven topography at the base in contrast with the smooth pediment carved on quartz monzonite, shown in photo 63. Pima County, Arizona. 1932. Plate 1-C, in U.S.Geological Survey Professional paper 209. 1946.
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Conglomeratic sandstone regarded by the writer as the base of the Cloverly formation south of Hyattville, resting on the carbonaceous shale, which separates it from the Morrison. Big Horn County, Wyoming. 1922. Plate 34-C in U.S. Geological Survey. Professional paper 149. 1927.
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Timber deadened in temporary raft lake which was drained by the removal of the raft. Photograph by R.B. Talfor. Bossier Parish, Louisiana. 1873. Location: Head of McWillie Lake, sec. 16, T. 22 N., R. 14 W. Plate 30-C in U.S. Geological Survey. Professional Paper 46. 1906.
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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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Looking south from Cobham Hill over surface of the dissected Harrisburg peneplain. Shows the even skylines due to peneplanation. Warren County, Pennsylvania. 1909. Figure 4 in U.S. Geological Survey. Folio 172. 1910.
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Form a panorama of folds in bedded tuff (volcanic series), east of Monroe, Union County, North Carolina. March 1934. Plate 4-B, U.S.Geological Survey Professional paper 213. 1948.
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Form a panorama of reddish-brown (late Sangmon?) loess overlain by light buff (early Peorian?) loess with a humus-stained (old soil) zone at contact, SE 1/4 NE 1/4 sec. 11, T. 7 N., R. 13 W. Jersey County, Illinois. Circa 1928. Plate 13-C, in U.S.Geological Survey Professional paper 218. 1952.
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Detail of photo 22#1: detail similar to photo 225 but with a more regular clear nucleus; plain light,. San Saba County, Texas. n.d. Plate 30-C, in U.S.Geological Survey Professional paper 146. 1926.
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Typical weathered surface of Bighorn limestone, shows projecting reticulations due to silica. The space represented is about 4 x 5 feet. Sheridan County, Wyoming. August 1897. Plate 11-B in U.S. Geological Survey. Professional paper 51. 1906.
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Views on Mount Ellen Peak: The floor of the South Creek laccolith at the west end of South Creek Ridge. The porphyry rests on carbonaceous shale and sandstone in the upper part of the Ferron sandstone member of the Mancos shale. Garfield County, Utah. May 1937. Figure 25-C, in U.S.Geological Survey Professional paper 228. 1953.
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Fucoid beds near top of Decorah shale, characteristic of the formation in the area, the fucoid stems are weathered in relief on the bedding surface. Hennepin County, Minnesota. 1914. Plate 12 in U.S. Geological Survey. Folio 201. 1916.


map background search result map search result map Timber deadened in temporary raft lake which was drained by the removal of the raft. Bossier Parish, Louisiana. 1873. Timber deadened in temporary raft lake which was drained by the removal of the raft. Bossier Parish, Louisiana. 1873.