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Album caption: Outcrop of Van Horn conglomeratic sandstone on the south-facing escarpment of Sierra Diablo. 4 Miles West of bounds(Circle) Ranch, Sierra Blanca Quadrangle. Hudspeth County, Texas, July, 1931.
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Album caption: Stereoscopic pair showing Albertella from lower member of the Silver Hill Formation, north rim of cirque east of Black Lion Mountain, at 9,600 ft elevation. Published as figure 6D.
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Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs of coexisting staurolite (St) and epidote (Ep) in (A) sample 356-1 (plane-polarized light). Southwestern Massachusetts and adjacent Connecticut and New York. ca. 1966. Published as figure 8-A in U.S. Geological Survey. Professional paper 1113. 1981.
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Album caption: Glacier National Park, Montana. Panorama with image 721. View looking southeast across the western marginal lobe of the Blackfoot Glacier from top of the moraine showing the marginal moraines and crevassing of the ice. Glacier County, Montana. August 19, 1913. Handwritten notes on album caption: Montana.
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Album caption: Glacier National Park, Montana. Southwest to Blackfoot Mountain across the southeast part of Blackfoot Glacier, showing ice cliff over rock cliff, cascades, and crevassing. August 21, 1913. Photos awc00730 and awc00731 form a panorama. Handwritten notes on album caption: Montana.
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Album caption: Glacier National Park, Montana. Head of the middle fork of the Belly River (Mokowanis River), Sue Lake and small glacier (photo awc00734), Shepard Glacier (photo awc00735), cirques and peaks northwest of Shepard Glacier. September 6, 1913. Photos awc00734, awc00735, awc00736 form a panorama.
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Album caption: Water Supply Papers. 244. View looking upstream at Embudo at old Wagon bridge on which recording and staff gages were in operation 1912-1914. Rio Arriba County, New Mexico. No date. Published as figure 15 in U. S. Geological Survey. Professional paper 778. 1972.
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Glacier National Park, Montana. Boulder Glacier and the cirque wall at the head of Bowman Valley, viewed from the east wall of the cirque above Hole-in- the-Wall Falls. Boulder Glacier with Kintla Peak towering back of it on the extreme left (photo awc00699). Boundary Mountain in the center (photo awc00698). Great cirque wall above North Lake on the right (photo awc00697). August 4, 1913. Plate 12-B, U.S. Geological Survey Bulletin 600. Photos awc00697, awc00698, awc00699 form a panorama. Handwritten notes on album caption: Montana.
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Album caption: Recorder Installation, Memphis, Tennessee.(Seealso Nos. 140 and 141) Handwritten notes on album caption: Shelby County.
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Album caption: Glacier National Park, Montana. North across the western part of Blackfoot Glacier toward Mount Jackson, showing crevasses. August 19, 1913. Photos awc00724 and awc00725 form a panorama. Handwritten notes on album caption: Glacier County, Montana.
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Album caption: Glacier National Park, Montana. Step development in cirque south of Baby Glacier. Flathead County, Montana. July 30, 1913. Handwritten notes on album caption: Montana.
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Album caption: Panorama with image 785. C.M. & St. P. Railway cut, one mile east of Rhodes. Kansan drift area. 1. Brown loess - 0-10 feet; 2. Gray loess 0-10 feet; 3. Dark red oxidized and leached till (Kansan?) 6-8 feet; 4. Brownish to gray till (Kansan?) 6-8 feet; 5. Buff to brown, rusty sand and gravel (Aftonian?) 5-8 feet. Mature erosion topography in background. Rhodes Township, NW1/4, Sec. 10, T. 8 N., R. 20 W. Marshall County, Iowa. July 1, 1914.
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This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead to additional impacts in stream habitats and fish assemblages in multiple ways, including changing changing thermal properties and flow regimes. To manage streams for current impacts and future changes, managers need region-wide information for decision-making and developing proactive management strategies. Our project provides a suite of climate metrics that have been found to be relevant to the distribution and population structure of aquatic organisms in freshwater stream networks. These results provide natural resource managers, decision-makers,...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Alabama, Arkansas, Colorado, Complete, All tags...
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Album caption: Showing loess over oxidized till (Kansan?), one mile north of Florence. Florence Township, Sec. 16, T. 16 N., R. 14 E. Douglas County, Nebraska. June 5, 1914.
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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: Rock pinnacles of deeply weathered piles of teetering rock, interpreted as not to have been covered by the icefield glaciation, rising 10 to 20 m above the smooth glaciated surface. Divide is above rock basin south of Tendoy Lake, looking south. Published as figure 19A.
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Stream fragmentation alters the structure of aquatic communities on a global scale, generally through loss of native species. Among riverscapes in the Great Plains of North America, stream fragmentation and hydrologic alteration (flow regulation and dewatering) are implicated in the decline of native fish diversity. This study documents the spatio–temporal distribution of fish reproductive guilds in the fragmented Arkansas and Ninnescah rivers of south-central Kansas using retrospective analyses involving 63 years of fish community data. Pelagic-spawning fishes declined throughout the study area during 1950–2013, including Arkansas River shiner (Notropis girardi) last reported in 1983, plains minnow (Hybognathus...
Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CATFISHES/MINNOWS, Colorado, Colorado, FISH, Federal resource managers, All tags...
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We propose to use long-term fish-population data from a relict reach of the Pecos River, New Mexico to assess population dynamics of imperiled prairie-river minnows, including Arkansas River shiner. Development of viable management strategies requires basic understanding of population ecology. Rigorous, quantitative ecological methods can be used to analyze continuous, long-term demographic data, but such data are rarely available for imperiled, non-game fishes. Data available for the Pecos River provide a unique opportunity to apply quantitative methods to prairie-river minnow conservation and management. Analyses proposed here would determine (1) whether population regulation is density dependent or flow-regime...
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Genetic, demographic, and environmental processes affect natural populations synergistically, and understanding their interplay is crucial for the conservation of biodiversity. Stream fishes in metapopulations are particularly sensitive to habitat fragmentation because persistence depends on dispersal and colonization of new habitat but dispersal is constrained to stream networks. Great Plains streams are increasingly fragmented by water diversion and climate change, threatening connectivity of fish populations in this ecosystem. We used seven microsatellite loci to describe population and landscape genetic patterns across 614 individuals from 12 remaining populations of Arkansas darter ( Etheostoma cragini) in...


map background search result map search result map Step development in cirque south of Baby Glacier. Glacier National Park.  1913. Panorama view southwest across cirque at head of Bowman Creek to Boulder Glacier and Kintla peak. Glacier National Park, Montana.1913. Panorama view looking southeast across the western marginal lobe of the Blackfoot Glacier from top of the moraine showing the marginal moraines and crevassing of the ice. Glacier National Park, 1913. View looking North across the western part of Blackfoot Glacier toward Mount Jackson, showing crevasses. Glacier National Park,  1913. View southwest to Blackfoot Mountain across the southeast part of Blackfoot Glacier.  Glacier National Park, 1913. Sue Lake and small glacier at head of Middle Fork of Belly River.  Glacier National Park, Montana. 1913. Showing loess over oxidized till (Kansan?), one mile north of Florence. Nebraska, 1914. Panorama view  C.M. & St. P. Railway cut, one mile east of Rhodes. Kansan drift area.  Iowa, 1914. Population Management of Prairie-River Minnows Analysis Data: Conservation status, genetics, and population vulnerability of Arkansas darter (Etheostoma cragini) in Colorado Determining Priority Amphibian and Reptile Conservation Areas (PARCAs) in the South Atlantic landscape, and assessing their efficacy for cross-taxa conservation: Geographic Dataset Publication: Fragmentation and drying ratchet down Great Plains stream fish diversity View up Lava Cliff Rapids, Mohave County, Arizona. 1923. Data: Current and future CNRM CM3 climate data for NHD v2 catchments within the Mississippi River Basin Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966. Stereoscopic pair showing Albertella from lower member of the Silver Hill Formation, north rim of cirque east of Black Lion Mountain, at 9,600 ft elevation.  Beaverhead County, Montana.  nd. Rock pinnacles of deeply weathered piles of teetering rock, interpreted as not to have been covered by the icefield glaciation, rising 10 to 20 m above the smooth glaciated surface.  Beaverhead County, Montana.  nd. Recorder installation. Memphis. Tennessee. View looking upstream at Embudo at old Wagon bridge on which recording and staff gages were in operation. New Mexico. Outcrop of Van Horn conglomeratic sandstone on the south-facing escarpment of Sierra Diablo. Texas, 1931. Showing loess over oxidized till (Kansan?), one mile north of Florence. Nebraska, 1914. Panorama view  C.M. & St. P. Railway cut, one mile east of Rhodes. Kansan drift area.  Iowa, 1914. Recorder installation. Memphis. Tennessee. Step development in cirque south of Baby Glacier. Glacier National Park.  1913. Panorama view southwest across cirque at head of Bowman Creek to Boulder Glacier and Kintla peak. Glacier National Park, Montana.1913. Panorama view looking southeast across the western marginal lobe of the Blackfoot Glacier from top of the moraine showing the marginal moraines and crevassing of the ice. Glacier National Park, 1913. View looking North across the western part of Blackfoot Glacier toward Mount Jackson, showing crevasses. Glacier National Park,  1913. View southwest to Blackfoot Mountain across the southeast part of Blackfoot Glacier.  Glacier National Park, 1913. Sue Lake and small glacier at head of Middle Fork of Belly River.  Glacier National Park, Montana. 1913. Outcrop of Van Horn conglomeratic sandstone on the south-facing escarpment of Sierra Diablo. Texas, 1931. View looking upstream at Embudo at old Wagon bridge on which recording and staff gages were in operation. New Mexico. Stereoscopic pair showing Albertella from lower member of the Silver Hill Formation, north rim of cirque east of Black Lion Mountain, at 9,600 ft elevation.  Beaverhead County, Montana.  nd. Rock pinnacles of deeply weathered piles of teetering rock, interpreted as not to have been covered by the icefield glaciation, rising 10 to 20 m above the smooth glaciated surface.  Beaverhead County, Montana.  nd. View up Lava Cliff Rapids, Mohave County, Arizona. 1923. Analysis Data: Conservation status, genetics, and population vulnerability of Arkansas darter (Etheostoma cragini) in Colorado Population Management of Prairie-River Minnows Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966. Determining Priority Amphibian and Reptile Conservation Areas (PARCAs) in the South Atlantic landscape, and assessing their efficacy for cross-taxa conservation: Geographic Dataset Publication: Fragmentation and drying ratchet down Great Plains stream fish diversity Data: Current and future CNRM CM3 climate data for NHD v2 catchments within the Mississippi River Basin