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Small lakes are important to local economies as sources of water supply and places of recreation. Commonly, lakes are considered more desirable for recreation if they are free of the thick weedy vegetation, often comprised of invasive species, that grows around the lake edge. This vegetation makes it difficult to launch boats and swim. In order to reduce this vegetation, a common technique in the Northeast and Midwest U.S. is a ‘winter drawdown’ . In a winter drawdown, the lake level is artificially lowered (via controls in a dam) during the winter to expose shoreline vegetation to freezing conditions, thereby killing them and preserving recreational value of the lake. However, this practice can impact both water...
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Tribal resource managers in the southwest U.S. are facing a host of challenges related to environmental change, including increasing temperatures, longer periods of drought, and invasive species. These threats are exacerbating the existing challenges of managing complex ecosystems. In a rapidly changing environment, resource managers need powerful tools and the most complete information to make the most effective decisions possible. Traditional Ecological Knowledge has enabled Indigenous peoples to adaptively manage and thrive in diverse environments for thousands of years, yet it is generally underutilized and undervalued, particularly in the context of western scientific approaches. Traditional Ecological...
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Album Caption: Sphalerite-bearing Stromatopora in Lockport dolomite southeast of Clarendon. Orleans County, New York. April, 1948. Published in U. S. Geological Survey Bulletin 1000-D, plate 4. 1955.
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Strornatopora in Zone 1 boulder of Lockport dolomite southeast of Clarendon. Orleans County, New York. April 1948. (Specimen). Published in U.S. Geological Survey Bulletin 1000-D, Plate 6-B. 1955.
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Shallow structures in the upper Naknek arkose member on the south side of Chinitna Point. Panoramic with 18. Chinitna district, Cook Inlet region, Alaska. June 1950. Cover page typed note: Arthur Grantz. 1950. Official photographs 1-30, west side of Cook Inlet, Alaska. Camera, Kodak Tourist size 620.
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Municipal crews attempt to clear streets and drainage systems of water, mud and debris between record-breaking rains in late July/early August 2006. El Paso County was declared a Federal Disaster Area following rain and thunderstorms which caused mud slides. (Photograph by Robert J. Alvey/FEMA)
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Album Caption: Woodruff, 178. Comb wash, near Navajo Spring, San Juan oil field, Utah. Butler shale (Dolores Formation) and bluff sandstone (La Plata Formation)
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Album caption: Woodruff,106. Wind River sandstone and conglomerate. T. 4 N., R. 3 W., Wind River Meridian. Handwritten note in album caption: Wyo.
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Album Caption: Woodruff, 150. Looking north along fault 3 miles southeast of Popo Agie oil wells near Dallas, Wyoming. Morrison against red beds.
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Album Caption: Beds, red, along Little Popo Agie River. 2 miles S.W. of Dallas, Wyoming.
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Album caption: Woodruff, 6. Wiley (Claggett). formation, Shoshone Canyon near Cody, Wyo. Oct. 9, 1907.
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These are the results produce during the analysis and used in the report: Osnas, E.E. 2024. Steller’s Eider (Polysticta stelleri) population and density estimates from the Arctic Coastal Plain and Utqiaġvik Triangle surveys using generalized additive models. US Fish and Wildlife Service, Division of Migratory Bird Management, Anchorage, AK. Contain within are images (png), R objects or environments (.RDS and .RData), and posterior summaries of population size and trend (CSV). A brief description of each file can be found in the Readme.html file contained within the zipped folder.
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Annual populations and spatial density estimates are needed for the threatened Alaska-breeding population of Steller’s eiders (Polysticta stelleri) to assess recovery status and guide recovery actions but these quantities are poorly estimated in this rare species using traditional methods. Therefore, population size and spatial variation in density were estimated across the Arctic Coastal Plain (ACP) and Utqiagvik Triangle (Triangle) survey areas using spatio-temporal generalized additive models and compared to traditional design-based estimates. Compared to design-based estimates, model-based estimates were more precise and less variable between years. Moreover, data sets can be combined to produce common estimates,...
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Divide between Queets and Queniult Rivers. Washington. Circa 1899. Plate 3-B in U.S. Geological Survey, Professional paper 7. 1902.
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Eriogonum ovalifolium (Silver plant or cushion eriogonum). Colorado Plateau. June 1954. Published in U.S. Geological Survey Bulletin 1030-M, figure 121. 1957.
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Yosemite National Park, California. Glaciated rock west of the Tuolumne River, showing joints on stoss and lee sides and absence of shells. 1913.
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Small delta in very porous beach gravels built by fresh water stream distributary. On east shore of Iniskin Bay. Boot prints furnish scale. Chinitna district, Cook Inlet region, Alaska. June 1950. Cover page typed note: Arthur Grantz. 1950. Official photographs 1-30, west side of Cook Inlet, Alaska. Camera, Kodak Tourist size 620.
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The U.S. Geological Survey, in cooperation with Colorado Springs Utilities, has been collecting topographic data annually since 2012 at 10 study areas along Fountain Creek, Colorado. The 10 study areas are located along Fountain Creek between Colorado Springs and the confluence of Fountain Creek and the Arkansas River in Pueblo. This data release presents topographic survey data, Light Detection and Ranging (lidar) survey data, elevation rasters, and elevation-change rasters collected or generated in 2024 as part of that monitoring effort. Topographic survey points were collected using real-time kinematic Global Navigation Satellite Systems (RTK-GNSS). These point data, along with lidar point clouds, were used to...
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Album caption: Panorama with photo no. 130. (ftg00130) Index card: Panorama of abandoned quarry in Westerly Granite 0.93 mile S. 38 W. of where Nooseneck Hill Road crosses Pawcatuck River, Westerly. White line painted on quarry wall marks contact of Westerly Granite (below) and Narragansett Pier Granite (above). Center of panorama looks roughly east, along the strike of the Westerly dike. Washington County, Rhode Island. October 24, 1963. (Panorama with photo no. 130). Note: This image includes photograph number 131, 132, 133.


map background search result map search result map Glaciated rock, Yosemite National Park, California. 1913. Stromatopora, Clarendon, Orleans County, New York. 1948. Stromatopora, Clarendon, Orleans County, New York. 1948. Eriogonum ovalifolium (Silver plant or cushion eriogonum), Colorado Plateau, Colorado. 1954. Divide between Queets and Queniult Rivers. Washington.1899. El Paso Landslide. El Paso County, Texas. 2006. Panorama of abandoned quarry in Westerly Granite. Washington County, Rhode Island. 1963. Exploring the Past to Plan for the Future: Integrating Indigenous Knowledge and Paleoperspectives to Inform Climate Change Adaptation Rethinking Lake Management for Invasive Plants Under Future Climate: Sensitivity of Lake Ecosystems to Winter Water Level Drawdowns Wiley formation. Shoshone Canyon near Cody, Wyoming. 1907. Gebo mine. Gebo, Wyoming. No date. Wind River sandstone and conglomerate. Wyoming. No date. Red beds along Little Popo Agie River. Dallas, Wyoming. No date. Looking north along fault. Dallas, Wyoming. No date. Comb wash near Navajo Spring. Utah. No date. Elevation Data from Fountain Creek between Colorado Springs and the Confluence of Fountain Creek at the Arkansas River, Colorado, 2024 Steller's eider (Polysticta stelleri) population and density estimates from the Arctic Coastal Plain and Utqiagvik Triangle surveys using generalized additive models Results used of Steller's eider population estimates analysis Small delta in Iniskin Bay. Chinitna district, Cook Inlet region, Alaska. 1950. Shallow structures on side of Chinitna Point. Chinitna district, Cook Inlet region, Alaska. 1950. Divide between Queets and Queniult Rivers. Washington.1899. Wiley formation. Shoshone Canyon near Cody, Wyoming. 1907. Stromatopora, Clarendon, Orleans County, New York. 1948. Stromatopora, Clarendon, Orleans County, New York. 1948. Glaciated rock, Yosemite National Park, California. 1913. Elevation Data from Fountain Creek between Colorado Springs and the Confluence of Fountain Creek at the Arkansas River, Colorado, 2024 Panorama of abandoned quarry in Westerly Granite. Washington County, Rhode Island. 1963. Comb wash near Navajo Spring. Utah. No date. Small delta in Iniskin Bay. Chinitna district, Cook Inlet region, Alaska. 1950. Shallow structures on side of Chinitna Point. Chinitna district, Cook Inlet region, Alaska. 1950. Gebo mine. Gebo, Wyoming. No date. Wind River sandstone and conglomerate. Wyoming. No date. Red beds along Little Popo Agie River. Dallas, Wyoming. No date. Looking north along fault. Dallas, Wyoming. No date. Eriogonum ovalifolium (Silver plant or cushion eriogonum), Colorado Plateau, Colorado. 1954. Steller's eider (Polysticta stelleri) population and density estimates from the Arctic Coastal Plain and Utqiagvik Triangle surveys using generalized additive models Results used of Steller's eider population estimates analysis Exploring the Past to Plan for the Future: Integrating Indigenous Knowledge and Paleoperspectives to Inform Climate Change Adaptation El Paso Landslide. El Paso County, Texas. 2006. Rethinking Lake Management for Invasive Plants Under Future Climate: Sensitivity of Lake Ecosystems to Winter Water Level Drawdowns