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Album caption: Travertine Canyon. Enlargement of Kolb's photo 15-110. 1923. Handwritten notes on album caption: Mohave County, Arizona; Grand Canyon 110. No index card.
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Album caption: Looking upstream at West Portal, Grand Canyon. Enlargement of E.C. Kolb's photo 18-136. 1923. Handwritten notes on album caption: Mohave County, Arizona; Grand Canyon no. 136. No index card.
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Album caption: Looking up Lava Cliff Rapids. Enlargement of L.R. Freeman's photo V-6. 1923. Handwritten notes on album caption: Mohave County, Arizona; Grand Canyon 405. No index card. See also: grand00405
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Album caption: Looking across head of Rapids No. 56, 10 miles below Diamond Creek. Mohave County, Arizona. 1923. (Photo no. X-6 by L.R. Freeman). Index card unavailable.
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Album caption and index card: This view, taken in March, shows a greatly diminished flood-line community, but this reduction in plant biomass is more apparent than real-the shrubs comprising the community are leafless at this season, whereas in the 1923 photograph, taken in September, the plants were in full leaf. The streamside plants that were present in 1923 and which persist to the present are willows. Unlike the condition in 1923, the beach at Granite Park now supports a dense growth of plants. The dominant species on the beach are willow, arrowweed, saltcedar, camelthorn, red brome, and Bermuda grass. All but the first two species have been introduced to this continent from other parts of the world. Feral...
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Album caption: The cook and his assistants at Diamond Creek. Left to right: Blake - Felix - Lint. Enlargement of Kolb's photo 14-100. 1923. Handwritten notes on album caption: Mohave County, Arizona; Grand Canyon no. 100. No index card.
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Album caption and index card: Concentrations of jasper in carbonate rocks of the Supai Group, Grand Canyon region. D, Jasper lenses and irregular masses in massive aphanitic limestone of the Manakacha Formation, Parashant Canyon. Hammer for scale. Grand Canyon National Park. Mohave County, Arizona. n.d. Published as Figure R3-D in U.S. Geological Survey. Professional Paper 1173. 1982.
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Album caption and index card: Scanning electron microscope photograph of Supai Group clay minerals. I, Corrensite-bearing sample; Andrus Canyon, Watahomigi Formation; x 9400. Scale at bottom. Grand Canyon National Park, Mohave County, Arizona. n.d. Published as Figure 05-I in U.S. Geological Survey. Professional Paper 1173. 1982.
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Album caption: Office work at Diamond Creek – C.H. Birdseye and Roger Birdseye. Arizona. 1923. (Photo no. L-6 by L.R. Freeman). Handwritten note on album caption: Mohave County Index card unavailable.
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Album caption: Warming up during cold noon camp, below Diamond Creek. Left to Rt.: Birdseye, Stabler, Lint, Blake, Dodge, Burchard, Felix, Freeman, Moore (behind rock) Photo by E.C. Kolb – 1923. Handwritten note on album caption: Mohave County, Arizona. Index card unavailable.
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Album caption: Looking upstream, 6 miles below Diamond Creek. Mohave County, Arizona. 1923. (Photo no. X-4 by L.R. Freeman). Index card unavailable.
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Album caption: Granite cliff about 3 miles below Diamond Creek. Mohave County, Arizona. 1923. (Photo no. X-2 by L.R. Freeman). Index card unavailable. See also: topd0081
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Album caption and index card: Photomicrographs (x 10) of typical specimens from principal facies of Manakacha Formation. C, Facies D, peloidal sandy limestone with some bioclastic grains, Toroweap Valley, sec. 21A. Grand Canyon National Park. Mohave County, Arizona. n.d. Published as Figure P9-C in U.S. Geological Survey. Professional Paper 1173. 1982.
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Album caption and index card: Varieties of ripple marks and shrinkage cracks in Wescogame Formation, Grand Canyon. E, Shrinkage cracks and probable mold of plant stem, near top of cliff unit, Andrus Canyon. Pen for scale. Grand Canyon National Park. Mohave County, Arizona. No date. Published as Figure N3-E in U.S. Geological Survey. Professional Paper 1173. 1982.
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Album caption and index card: This upstream view was taken from a point just above Spring Canyon, 328.9 kilometers below Lees Ferry. The Middle Cambrian Bright Angel Shale, mostly covered by slope wash, is at river level. A well-developed community occurs above the flood line on both sides of the river. At the present river stage, a large bar, unoccupied by plants, is exposed. (Altitude 454 meters). Coconino and Mohave Counties, Arizona. 1923. (Photo no. 633 by E.C. LaRue). Portion published as Figure 61A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: The old camera station lies beneath Lake Mead silt several meters below and to the right of the new position. Before Hoover Dam was built the thalweg altitude was roughly 275 meters; now the thalweg altitude exceeds 350.5 meters, representing an accumulation of 76.2 meters of sediment. Saltcedar is the only plant seen on the deeply cracked silt deposit. Many of the plants are dead in this August view, presumably from submergence during earlier months when this site was covered by water to a depth of 2.7 to 3.7 meters. Some taller plants survived. Seedlings growing from the deep cracks in the foreground became established after the water receded. This scene illustates the dynamic nature...
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Album caption and index card: Atokan conglomerate, at base of upper slope unit of the Watahomigi Formation. Base of Atokan rocks. Mostly of chert and reddish-brown jasper, with angular, closely packed clasts. G, View in Tuckup Canyon, chert conglomerate on purple calcareous mudstone. Pencil for scale. Grand CAnyon National Park. Mohave County, Arizona. n.d. Published as Figure J2-G in U.S. Geological Survey. Professional Paper 1173. 1982.
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Index card: Tuckup Canyon Supai section at Bighorn Canyon, Esplanade Sandstone at top down through Redwall Limestone. Talus in foreground. Grand Canyon National Park. Mohave County, Arizona. May 1971.
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Album caption: The "Marble" in No. 55 Rapids about 9 miles below Diamond Creek. Enlargement of L.R. Freeman's photo T-6. 1923. Handwritten notes on album caption: Mohave County, Arizona; Grand Canyon 392. No index card. See also: grand00392
map background search result map search result map Concentrations of jasper in carbonate rocks of the Supai Group. Grand Canyon National Park, Mohave County, Arizona. No date. Scanning electron microscope photograph of Supai Group clay minerals. Grand Canyon National Park, Mohave County, Arizona. No date. The boat "Marble" in a rapid below Diamond Creek, Mohave County, Arizona. 1923. Cook and his assistants at Diamond Creek, Mohave County, Arizona. 1923. Travertine Canyon, Mohave County, Arizona. 1923. View up Lava Cliff Rapids, Mohave County, Arizona. 1923. View at West Portal, Grand Canyon, Mohave County, Arizona. 1923. Tuckup Canyon Supai section at Bighorn Canyon. Grand Canyon National Park, Mohave County, Arizona. 1971. Whitmore Wash - lava flows cascading over the east wall of Supai Cliff. Grand Canyon National Park, Mohave County, Arizona. 1967. Varieties of ripple marks and shrinkage cracks in Wescogame Formation. Grand Canyon National Park, Mohave County, Arizona. No date. Photomicrographs of typical speciments from principal facies of Manakacha Formation. Grand Canyon National Park, Mohave County, Arizona. No date. Atokan conglomerate, at base of upper slope unit of the Watahomigi Formation, view in Tuckup Canyon. Grand Canyon National Park, Mohave County, Arizona. No date. View of the Middle Cambrian Bright Angel Shale, covered by slope wash, taken from a point above Spring Canyon. Grand Canyon National Park, Coconino and Mohave Counties, Arizona. 1923. View of Granite Park and the dominant plant species of willow, arrowweed, saltcedar, camelthorn, red brome, and Bermuda grass. Grand Canyon National Park, Mohave County, Arizona. 1974. View of the dynamic nature of the saltcedar community on Lake Mead silt. Grand Canyon National Park, Mohave County, Arizona. 1972. Warming up during cold noon camp, below Diamond Creek. Mohave County, Arizona. 1923. Office work at Diamond Creek, C.H. Birdseye and Roger Birdseye. Mohave County, Arizona. 1923. Granite cliff below Diamond Creek. Mohave County, Arizona. 1923. Looking upstream below Diamond Creek. Mohave County, Arizona. 1923. Looking across head of Rapids No. 56 below Diamond Creek. Mohave County, Arizona. 1923. The boat "Marble" in a rapid below Diamond Creek, Mohave County, Arizona. 1923. Cook and his assistants at Diamond Creek, Mohave County, Arizona. 1923. Travertine Canyon, Mohave County, Arizona. 1923. View up Lava Cliff Rapids, Mohave County, Arizona. 1923. View at West Portal, Grand Canyon, Mohave County, Arizona. 1923. Warming up during cold noon camp, below Diamond Creek. Mohave County, Arizona. 1923. Office work at Diamond Creek, C.H. Birdseye and Roger Birdseye. Mohave County, Arizona. 1923. Granite cliff below Diamond Creek. Mohave County, Arizona. 1923. Looking upstream below Diamond Creek. Mohave County, Arizona. 1923. Looking across head of Rapids No. 56 below Diamond Creek. Mohave County, Arizona. 1923. Concentrations of jasper in carbonate rocks of the Supai Group. Grand Canyon National Park, Mohave County, Arizona. No date. Scanning electron microscope photograph of Supai Group clay minerals. Grand Canyon National Park, Mohave County, Arizona. No date. Tuckup Canyon Supai section at Bighorn Canyon. Grand Canyon National Park, Mohave County, Arizona. 1971. Whitmore Wash - lava flows cascading over the east wall of Supai Cliff. Grand Canyon National Park, Mohave County, Arizona. 1967. Varieties of ripple marks and shrinkage cracks in Wescogame Formation. Grand Canyon National Park, Mohave County, Arizona. No date. Photomicrographs of typical speciments from principal facies of Manakacha Formation. Grand Canyon National Park, Mohave County, Arizona. No date. Atokan conglomerate, at base of upper slope unit of the Watahomigi Formation, view in Tuckup Canyon. Grand Canyon National Park, Mohave County, Arizona. No date. View of Granite Park and the dominant plant species of willow, arrowweed, saltcedar, camelthorn, red brome, and Bermuda grass. Grand Canyon National Park, Mohave County, Arizona. 1974. View of the dynamic nature of the saltcedar community on Lake Mead silt. Grand Canyon National Park, Mohave County, Arizona. 1972. View of the Middle Cambrian Bright Angel Shale, covered by slope wash, taken from a point above Spring Canyon. Grand Canyon National Park, Coconino and Mohave Counties, Arizona. 1923.