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Album caption: Blackfeet National Park, Montana. View northeast through Coal Creek Gap to valley of North Fork of Flathead River. Livingston Range in background. Flathead County, Montana. September 17, 1913. Index Card: No index card.
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Album caption: View northeast from same spot as figure 19A, with Granite Mountain in background. In contrast to the pinnacles, the smooth surface of most the divide area has been glacially polished. Published as figure 19B.
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Album caption: Swarm of mafic dikes in Grayling Lake Granite, south wall of cirque above Green Lake. Dikes occupy north-south fracture system. Man (just to right of center foreground) is standing upright. Published as figure 26.
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Album caption: Miarolite cavity filed with quartz, two feldspars, and biotite. Sample is loose block south of Tendoy Lake in the Uphill Creek Granodiorite. Published as figure 28
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Abum caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs of chloritoid (CD)-biotite (Bt) assemblages. C, Sample 103-1A, with garnet. Southwestern Massachusetts and adjacent Connecticut and New York. ca. 1966. Published as figure 16-C in U.S. Geological Survey. Professional paper 1113. 1981.
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Album caption: Plicated layers of thin bedded chert in limestone etched by erosion, Lower Cambrian (?). Hill two miles west of Big Pine. Inyo County, California. 1894. Notes on album caption: None. Index card: Walcott, C. D. 206a - Plicated layers of thin bedded chert in limestone etched by erosion. Lower (?) Cambrian (?). Hill two miles west of Big Pine. Inyo County, California. 1894.
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Album caption:Two modes of occurrence of secondary anatase. (From 990.5 feet below top of core). Disseminated grains. Routt County, Colorado. 1972.(Photomicrograph) Published as figure 8-B in U. S. Geological Survey. Bulletin 1367. 1973.
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Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs of triply zone plagioclase from (A) saple 3-3 (cross-polarized light). Southwestern Massachusetts and adjacent Connecticut and New York. ca. 1966. Published as figure 9-A in U.S. Geological Survey. Professional paper 1113. 1981.
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Album caption: Bleached porphyry of Hahns Peak. Dark quartz andesite porphyry dike rock. Routt County, Colorado. 1972. (Specimen) Published as figure 6 in U. S. Geological Survey. Bulletin 1367. 1973.
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Album caption: Four miles southeast of Rockford, Iowa. 1. Sandy, pebbly material like (2) with included crystalline drift pebbles and boulders 1-3 feet; 2. Pre-glacial (Tertiary? Or Cretaceous?) conglomerate of soft buff sandstone set full of small polished, fossiliferous, black chert and white quartz pebbles - 7-9 feet. Ulster Township, NW1/4, Sec. 29, T. 95 N., R. 17 W. Floyd County, Iowa. July 29, 1914.
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Album caption: Six miles northwest of Farmington, Illinois. Uneroded upland, nearly flat. Illinoian drift area. Well drained. SW1/4, Sec. 30, T. 9 N., R. 4 E. Salem Township. Knox County, Illinois. May 22, 1914.
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Album caption: Glacier National Park, Montana. View looking north across western part of Blackfoot Glacier, showing crevasses. Glacier County, Montana. August 19, 1913. Handwritten notes on album caption: Montana.
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Album caption: 1 1/2 miles south of Dunbar. Loess-mantled mature erosion topography on Kansan drift, 12 miles southeast of Marshalltown. Greencastle Township, Sec. 11, T. 82 N., R. 17 W. Marshall County, Iowa. June 9, 1914.
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Album caption: Devonian Jefferson Dolostone thrust upon the Mississippian Lodgepole Limestone. Location is west slope of 8,938-foot peak west of Lion Mountain. The Jefferson is highly brecciated and yellow, typical of that below the main thrust of Proterozoic quartzite at head of Gold Creek; its presence here suggests that this thrust of extended this far east. Man’s hand is parallel to bedding in the Lodgepole. Published as figure 24.
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Album caption: Chert in lower member of the Phosphoria Formation, cliffs in sec. 10, T. 2 S., R. 10 W., east of Devils Hole north of Canyon Creek. Note lamination in dolostone, caused by quartz sand in crossbeds, that passes as a ghost lamination into the chert. Published as figure 12.
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Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs showing (B) late plagioclase including folded foliation defined by dust trains; the sigmoidal fold is in a single crystal, sample 340-1 (plane-polarized light). Southwestern Massachusetts and adjacent Connecticut and New York. ca. 1966. Published as figure 11-B in U.S. Geological Survey. Professional paper 1113. 1981.
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Album caption:Contact between Andrecito member of Lake Valley limestone (lower left) and Alamogordo member of Lake Valley limestone (upper right). Lake Valley mining distict, Sierra County, New Mexico. April 1962.
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Alaska Glaciers. Terminus of Mendenhall Glacier, which is northwest of Juneau in the Coast Mountains. Juneau district, Southeastern Alaska region, Alaska, ca. 1956.
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Album caption: Panorama with image 806. Gravel pit in abrupt east slope of Lime Creek Valley. "Iowan" till brown and leached 1/2- 1 1/2 feet; "Iowan" till, light buff, calcareous 1-2 1/2 feet; Contact very uneven. Fresh, clean, calcareous, cross-bedded gravel and sand (Buchanan?) 8+ feet. Ten miles northwest of Mason City. Lincoln Township, SW1/4, Sec. 1, T. 97 N., R. 21 W. Cerro Gordo County, Iowa. July 23, 1914.
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Album caption: Glacier National Park, Montana. Sunset on Bowman Lake. Flathead County, Montana. July 31, 1913. Handwritten notes on album caption: Montana.


map background search result map search result map Sunset on Bowman Lake. Glacier National Park, 1913. View looking north across western part of Blackfoot Glacier, showing crevasses. Glacier National Park, 1913. View northeast through Coal Creek Gap to valley of North Fork of Flathead River. Blackfeet  National Park, Montana. 1913. Uneroded upland, nearly flat. Illinoian drift area. Knox County, Illinois. 1914. 1 1/2 miles south of Dunbar. Loess-mantled mature erosion topography on Kansan drift, 12 miles southeast of Marshalltown. Iowa, 1914. Panorama with image 806. Gravel pit in abrupt east slope of Lime Creek Valley. Iowa, 1914. Four miles southeast of Rockford. Iowa. 1914. Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966. Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton.  Southwestern Massachusetts and adjacent Connecticut and New York.  circa 1966. Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton.  Southwestern Massachusetts and adjacent Connecticut and New York.  circa. 1966. Chert in lower member of the Phosphoria Formation, cliffs in sec. 10, T. 2 S., R. 10 W., east of Devils Hole north of Canyon Creek. Beaverhead County, Montana.  nd. View northeast from same spot as figure 19A, with Granite Mountain in background.  Beaverhead County, Montana.  nd. Devonian Jefferson Dolostone thrust upon the Mississippian Lodgepole Limestone.  Beaverhead County, Montana.  nd. Swarm of mafic dikes in Grayling Lake Granite, south wall of cirque above Green Lake.  Beaverhead County, Montana.  nd. Miarolite cavity filed with quartz, two feldspars, and biotite.  Sample is loose block south of Tendoy Lake in the Uphill Creek Granodiorite.  Beaverhead County, Montana.  nd. Contact between Andrecito member of Lake Valley limestone Lake Valley mining district, Sierra County, New Mexico. 1962. Bleached porphyry of Hahns Peak. Routt County, Colorado. 1972. Two modes of occurrence of secondary anatase. Routt County, Colorado. 1972. Four miles southeast of Rockford. Iowa. 1914. 1 1/2 miles south of Dunbar. Loess-mantled mature erosion topography on Kansan drift, 12 miles southeast of Marshalltown. Iowa, 1914. Panorama with image 806. Gravel pit in abrupt east slope of Lime Creek Valley. Iowa, 1914. Uneroded upland, nearly flat. Illinoian drift area. Knox County, Illinois. 1914. Bleached porphyry of Hahns Peak. Routt County, Colorado. 1972. Two modes of occurrence of secondary anatase. Routt County, Colorado. 1972. Sunset on Bowman Lake. Glacier National Park, 1913. View looking north across western part of Blackfoot Glacier, showing crevasses. Glacier National Park, 1913. Contact between Andrecito member of Lake Valley limestone Lake Valley mining district, Sierra County, New Mexico. 1962. Chert in lower member of the Phosphoria Formation, cliffs in sec. 10, T. 2 S., R. 10 W., east of Devils Hole north of Canyon Creek. Beaverhead County, Montana.  nd. View northeast from same spot as figure 19A, with Granite Mountain in background.  Beaverhead County, Montana.  nd. Devonian Jefferson Dolostone thrust upon the Mississippian Lodgepole Limestone.  Beaverhead County, Montana.  nd. Swarm of mafic dikes in Grayling Lake Granite, south wall of cirque above Green Lake.  Beaverhead County, Montana.  nd. Miarolite cavity filed with quartz, two feldspars, and biotite.  Sample is loose block south of Tendoy Lake in the Uphill Creek Granodiorite.  Beaverhead County, Montana.  nd. Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966. Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton.  Southwestern Massachusetts and adjacent Connecticut and New York.  circa 1966. Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton.  Southwestern Massachusetts and adjacent Connecticut and New York.  circa. 1966. View northeast through Coal Creek Gap to valley of North Fork of Flathead River. Blackfeet  National Park, Montana. 1913.