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Album caption and index card: High pinnacle lake beds, Owyhee River, Malheur County, Oregon. 1902.
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This dataset was used to summarize and analyze the mortality factors recorderd on dead trees in the Sierra Nevada Forest Dynamics Plot Network, which is managed by the Sequoia and Kings Canyon Field station of the U.S. Geological Survey's Western Ecological Research Center. Each row of the dataset represents an individual dead tree. These are dead trees that were recorded in the network from 1998 to 2010 for the subset of plots as described in the associated manuscript; Das, A.J., Stephenson, N.L., Davis, K.P. 2016. Why do trees die? Characterizing the drivers of background tree mortality. Ecology. 97(10): 2616-2627, http://dx.doi.org/10.1002/ecy.1497
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These polygon boundaries, inundation extents, and depth rasters were created to provide an extent of flood inundation along the Denomie Creek within the community of Odanah, Wisconsin. The upstream and downstream reach extent is determined by the location of high-water marks, not extending the boundary far past the outermost high-water marks. In areas of uncertainty of flood extent, the model boundary is lined up with the flood inundation polygon extent. This boundary polygon was used to extract the final flood inundation polygon and depth layer from the flood water surface raster file. Flood inundation mapping along the Denomie Creek follows near the eastern side of Odanah and the Bad River Lodge and Casino. The...
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Invasive species may vary in their seasonal distribution and abundance due to environmental conditions such as precipitation and temperature. Bigheaded carps, which include silver and bighead carp, are one such taxon of invasive species that appear to change habitats seasonally. Seasonal changes in bigheaded carp distribution may occur because of hydrological changes, water temperature changes, and spawning activities. Monitoring this seasonal dispersal and migration is important for management to control the population size and spread of the species. We examined if environmental DNA (eDNA) approaches could detect seasonal changes in the occurrence of DNA in water samples and used these approaches to calculate the...
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Album caption & Index Card: The famous Powell armchair in Marble Canyon. [Grand Canyon National Park] Coconino County, Arizona. August 20, 1872. (Photo by E. O. Beaman) Published in Utah State Historical Society, opposite p.9, Utah Historical Quarterly, v. 15. 1947; Published in Darrah, W.C. Powell of the Colorado, illustration no.12, Princeton University Press, 1951; Published in Stegner, W. Beyond the Hundredth Meridian, following p.238, Houghton Mifflin, 1954.
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In 2015, the second of several Regional Stream Quality Assessments (RSQA) was done in the southeastern United States. The Southeast Stream Quality Assessment (SESQA) was a study by the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of the RSQA, and thus the SESQA, is to characterize the relationships between water-quality stressors and stream ecology and subsequently determine the relative effects of these stressors on aquatic biota within the streams (Van Metre and Journey, 2014). To meet this objective, a framework of fundamental geospatial data was required to develop physical and anthropogenic characteristics of the study region, sampled sites and corresponding...
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Album caption: Coming home from whaling, Near Barrow, Alaska. Handwritten notes on album caption: Barrow dist., Northern Alaska region. See #108. Index card: Coming home from whaling, near Barrow; distant view of natives with boats. Barrow district, Northern Alaska region, Alaska. 1908.
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Front range of the Rocky Mountains from near Gray's and Torrey's Peaks. This view is very nearly due north, looking down on the spur of Mount McClellan, and directly opposite from Gray's Peak. Beyond is James Peak, and the range about it. Along the horizon is Long's Peak, and the range running west from it, forming the boundary between North and Middle Parks. Clear Creek, Grand and Boulder Counties, Colorado. 1873. (Panorama with nos. 1310 - 1311, 1313 - 1315).
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Synopsis: The purpose of this model is to indicate potential habitat for olive-backed pocket mice (Perohnathus fasciatus) within the Milk River Basin. As this is a landscape level model with course variaqbles, it may not be directly applicable to other areas for site-specific analysis. Conclusions: Olive-backed pocket mice require high proportions of grassland habitat and low proportions of shrub cover. Sites with low densities of shrubs are preferred because they provide cover from large and aerial predators, such as owls. A threshold of below 40% shrub coverage represents ideal shrub cover proportions.
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The Uinta Mountains. View from Photograph Ridge, elevation 10,829 feet. One of the grandest and most perfect mountain views in the west. The foreground is a picturesque group of the mountain pines. In the middle distance, glimmering in the sunlight like a silver thread, is Blacks Fork, meandering through grass, lawn-like parks, the eye following it up to its sources among the everlasting snows of the summitridge. The peaks or cones in the distance are most distinctly stratified and apparently horizontal, or nearly so, with their summits far above the limits of perpetual snow, and from 1,500 to 2,000 feet above the springs that give rise to the streams below. Summit County, Utah. 1870.
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Wyoming. Group of all the members of the Survey, made while in camp at Red Buttes at the junction of the North Platte and Sweetwater Rivers. Standing left to right: John "Potato John" Raymond and "Val," cooks; Sanford R. Gifford, landscape painter; Henry W. Elliott, artist; James Stevenson, assistant; H.D. Schmidt, naturalist; E. Campbell Carrington, zoologist; L.A. Bartlett, general assistant; William Henry Jackson, photographer. Sitting left to right: C.S. Turnbull, secretary; J.H. Beaman, meteorologist; Ferdinand V. Hayden, geologist in charge; Cyrus Thomas, agriculturist; Raphael, hunter; A.L. Ford, mineralogist. August 24, 1870. U.S. Geological and Geographical Survey of the Territories (Hayden Survey). See...
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Truckee, California, Earthquake September 12, 1966. Small powerhouse at Farad on the Truckee River 3 miles east of Boca Reservoir, showing a near-circular hole about 9 feet in diameter punctured in the brick wall by the large falling boulder. The boulder fell from the slope about 100 feet west of Interstate Highway 80, skipped across the highway and catwalk, bounced near the base of the power pole in the center and then into the brick wall. September 1966.
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Mount Byers, head of Sacramento Gulch, lying next south of Mosquito. From the same standpoint as photo no. 376. Prominent in the view are the long slopes of quartzites which break down suddenly and leave the great basin or amphitheater between it and the granites of the main range. Park County, Colorado. 1873. (Photo same as no. 377)
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Resource managers are realizing the benefits of using geographic information systems to supply visual spactal data for use in making informed management decisions. This report details the ARC/INFO (ESRI, Redlands, CA) procedures used at the Environmental Management Technical Center in Onalaska, Wisconsin, to assist Upper Mississippi River National Wildlife and Fish Refuge mangers in the process of acquiring refuge land through a land exchange. Refuge managers required boundaries for both 430- and 500-acre parcels that included the most desirable land cover/use types. Hardcopy maps of the area showing the total acreage for each land cover/use type will be used during land exchange negotiations.
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This ecoregion is composed of a core area of high, precipitous mountains with narrow crests and valleys flanked in some areas by dissected plateaus and open high mountains. The elevational banding pattern of vegetation is similar to that of the Southern Rockies (21) except that areas of aspen, interior chaparral, and juniper-pinyon and scrub oak are more common at middle elevations. This characteristic, along with a far lesser extent of lodgepole pine and greater use of the region for grazing livestock in the summer months, distinguish the Wasatch and Uinta Mountains ecoregion from the more northerly Middle Rockies (17).


map background search result map search result map The famous Powell armchair in Marble Canyon, Grand Canyon National Park, Coconino County, Arizona.  August 20, 1872. Wyoming. Group of all the members of the Survey, made while in camp at Red Buttes at the junction of the North Platte and Sweetwater Rivers. Natrona County, Wyoming, 1870. The Uinta Mountains. View from Photograph Ridge, elevation 10,829 feet. Summit County, Utah. 1870. Treasure Mountain in Elk Mountains, and view down the canyon of Rock Creek. Gunnison County, Colorado. 1873. View in Monument Park, curiously eroded sandstone. El Paso County, Colorado. 1870. (Stereoscopic view) Bakers Park, looking up from below Howardsville. San Juan County, Colorado. 1875. Front range of the Rocky Mountains from near Gray's and Torrey's Peaks. This view is very nearly due north, looking down on the spur of Mount McClellan, and directly opposite from Gray's Peak. Clear Creek, Grand and Boulder Counties, Colorado. 1873. Mount Byers, head of Sacramento Gulch, lying next south of Mosquito. Park County, Colorado. 1873. Small powerhouse at Farad on the Truckee River, showing a near-circular hole punctured in the brick wall by the large falling boulder. Truckee, California, Earthquake September 12, 1966. Olive-backed Pocket Mouse. Geospatial application:  Refuge expansion acreage analysis Basement domain map of the conterminous United States and Alaska (COPY07) Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010 Wasatch and Uinta Mountains Nevada 2015 State Wildlife Action Plan Species of Greatest Conservation Need Seasonal trends in eDNA detection and occupancy of bigheaded carps, Wabash River, IN: Raw Data Denomie Creek Flood Map Files from July 2016 Coming home from whaling, near Barrow district, Northern Alaska region, Alaska. ca.1908. Study Boundary for the U.S. Geological Survey Southeast Stream Quality Assessment High pinnacle of lake beds, Owyhee River, Malheur County, Oregon. 1902. Small powerhouse at Farad on the Truckee River, showing a near-circular hole punctured in the brick wall by the large falling boulder. Truckee, California, Earthquake September 12, 1966. Denomie Creek Flood Map Files from July 2016 Bakers Park, looking up from below Howardsville. San Juan County, Colorado. 1875. View in Monument Park, curiously eroded sandstone. El Paso County, Colorado. 1870. (Stereoscopic view) Mount Byers, head of Sacramento Gulch, lying next south of Mosquito. Park County, Colorado. 1873. The Uinta Mountains. View from Photograph Ridge, elevation 10,829 feet. Summit County, Utah. 1870. Front range of the Rocky Mountains from near Gray's and Torrey's Peaks. This view is very nearly due north, looking down on the spur of Mount McClellan, and directly opposite from Gray's Peak. Clear Creek, Grand and Boulder Counties, Colorado. 1873. Treasure Mountain in Elk Mountains, and view down the canyon of Rock Creek. Gunnison County, Colorado. 1873. Wyoming. Group of all the members of the Survey, made while in camp at Red Buttes at the junction of the North Platte and Sweetwater Rivers. Natrona County, Wyoming, 1870. Olive-backed Pocket Mouse. Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010 High pinnacle of lake beds, Owyhee River, Malheur County, Oregon. 1902. Geospatial application:  Refuge expansion acreage analysis The famous Powell armchair in Marble Canyon, Grand Canyon National Park, Coconino County, Arizona.  August 20, 1872. Seasonal trends in eDNA detection and occupancy of bigheaded carps, Wabash River, IN: Raw Data Wasatch and Uinta Mountains Nevada 2015 State Wildlife Action Plan Species of Greatest Conservation Need Study Boundary for the U.S. Geological Survey Southeast Stream Quality Assessment Coming home from whaling, near Barrow district, Northern Alaska region, Alaska. ca.1908. Basement domain map of the conterminous United States and Alaska (COPY07)