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Dundee limestone at Sibley quarry, stripped of its covering of drift. The rock surface is smoothed, grooved and striated by an ice sheet, probably Illinoian. The grooves and furrows, in which the boy sits, strike southward. The striae in the foreground strike northwestward; view northwestward. Wayne County, Michigan. 1916. Plate 2 in U.S. Geological Survey. Folio 205. 1917.
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Electrum showing crystal outlines associated with quartz and sulphides. The argentite was very probably formed by the replacement of galena, but all the other minerals are believed to be alpha hypo gene. Photomicrograph of polished surface of ore from 1,260- foot level, Murray vein, Tonopah Extension mine. Nye County, Nevada. 1915. Plate 5- B, with graphics, in U.S. Geological Survey. Professional paper 104. 1918.
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Irregularly bedded sand and clay of the Woodbine sand in road cut leading down to the lower ferry at Arthurs Bluff, Red River; most of the fossil leaves from this locality described by E.W. Berry were obtained in the lower part of the section shown in the picture. Lamar County, Texas. 1924. Plate 25-B in U.S. Geological Survey. Professional paper 154. 1929.
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North wall of Canadian Canyon, south of Gardener, a characteristic canyon wall ending in a promontory that overlooks the plain; the cottonwoods in the middle ground grow only near the stream. Pinon and juniper grow on the dry hillsides. Pierre shale on the lower slopes to right; Trinidad sandstone immediately above; Vermejo formation just left of center; lower part of Raton formation on the high ridge. Colfax County, New Mexico. 1922. Plate 3 in U.S. Geological Survey. Folio 214. 1922.
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Contact of the granite porphyry and conglomerate of Lobo formation on south slope of Fluorite ridge l mile west of Fluor camp, view looking north. The conglomerate lies on an irregular surface of the porphyry. The contact is indicated by the hammer head. Luna County, New Mexico. 1914. Plate 8 in U.S. Geological Survey. Folio 207. 1917.
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View looking east from Hot Springs Mountain, Indian Mountain in the near distance, the level crested ridges in the far distance terminate westward in the Mazarn basin at right. Garland County, Arkansas. 1914. Plate 1 in U.S. Geological Survey. Folio 215. 1922.
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Polished transverse section of the digitate reef shown in Bradley photo 248: natural size. Specimen is from Hells Canyon, sec. 22 T. 10 S., R. 25 E. Uintah County, Utah. September 15, 1925. Plate 42-A in U.S. Geological Survey. Professional paper 154. 1929.
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Detail of photo 22#1: similar to plate 30, but showing three grains in contact; between crossed nicols. San Saba County, Texas. n.d. Plate 31-B, in U.S.Geological Survey Professional paper 146. 1926.
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Lost River Range above Mackay, near Leatherman Pass. Custer County, Idaho. 1912. Plate 2-A in U.S. Geological Survey. Professional paper 97. 1917.
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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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Cement rock quarry in Milwaukee formation at Berthelet, just north of Milwaukee. Milwaukee County, Wisconsin. October 1899. Figure 13 in U.S. Geological Survey. Folio 140. 1906.
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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.
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Cross section of basaltic next exposed by erosion in Grant Ridges, 6 miles northeast of Grant, view looking southwest in sec. 3, T. 11 S., R. 9 W. Basalt in core is jointed in vertical columns and surrounded by a thin zone of platy jointing developed along the contact with white tuff. Bedded breccia overlies the tuff, and basaltic lava overlies the breccia on the far side of the cone. The tuff, chiefly rhyolitic, was erupted from Mount Taylor. Valencia County, New Mexico. 1931. Plate 11-A, U.S.Geological Survey Professional paper 189-B. 1938. Album: Hunt #62, Valencia County, New Mexcio, 1931. T. 11 S., R. 9 W, Sec. 3 View NW. at natural cross-section of a cinder cone 6 miles northeast of Grant. Columnar jointed...
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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.


map background search result map search result map Cross section of basaltic next exposed by erosion in Grant Ridges, 6 miles northeast of Grant, view looking southwest. Valencia County, New Mexico. 1931. Cross section of basaltic next exposed by erosion in Grant Ridges, 6 miles northeast of Grant, view looking southwest. Valencia County, New Mexico. 1931.