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Alden, William Clinton

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Album caption and index card: Columbia River gorge, looking south from terrace at Trinidad basalt cliff (left back) below the upper terrace, orchards on lowest terrace. June 19, 1929.
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Panorama with images 846 and 847. C.M. & St. P. Railway cut, two miles northwest of Dedham, showing (north side): 1. Buff loess - 5-10 feet; 2. Gray loess with shells, calcium-carbonate concretions and iron oxide pipes - 5-8 feet; 3. Dense brown leached till (Kansan?) - 5-6 feet; 4. Buff calcareous till (Kansan?) - 45-50 feet; 5. Gray calcareous till (Kansan?) 0-10 feet (seams are filled with plates of selenite crystals). Newton Township, SW1/4, Sec. 7. Carroll County, Iowa. June 10, 1915.
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View west up broad valley of Clark Fork in bottom of which is cut 1000- foot canyon in granite and gneiss. Index Peak near Cooke City in background on Tertiary volcanics. Park County, Wyoming. June 12, 1922.
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Album caption: Glacial Lake Nashua. Laminated silts of the Clinton stage, New England Brick Company pit, one-half mile west of Still river Station, Mass. Marlboro quadrangle. Massachusetts. October 12, 1906. USGS Bulletin 760, Pl. 20-B, 1925.( Shadow, 11 a.m. , Ex. 10, D32.) Handwritten note on album caption: Worcester Co.
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Album caption: Glacier National Park. Mountain crest north of railway from Summit to Firebrand Pass. Pre-Cambrian rocks at top, Cretaceous below. Glacier County, Montana. July 6, 1911.
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