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Found 261 dataset(s) matching "strata".
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The species or species group Traditional Survey Area stratum estimates from the Waterfowl Breeding Population and Habitat Survey for 1955 to present. There are no estimates for 2020-21. Estimates...
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This product contains LCMAP CONUS Reference plot location data in a .shp format as well as annual land cover, land use, and change process variables for each reference data plot in a separate .csv...
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Karst hydrologic systems are important resources in the state of Tennessee, both as drinking water resources and as centers for possible biological diversity. These systems are susceptible to...
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In 1999, the USGS, in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern coast of South Carolina,...
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This dataset contains catch data for juvenile Atlantic Sturgeon in the Hudson River from 2003 - 2005. This project was funded by the NY State Department of Environmental Conservation (NYSDEC)...
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This data release compiles the whole-rock geochemistry, X-ray diffraction, and electron microscopy analyses of samples collected from the uranium ore bodies of two mined-out deposits in the Grand...
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This digital data release presents subsurface data from multiple geologic units that were part of a previous study of the regional subsurface structural configuration of the Powder River Basin in...
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This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set of geologic characteristics distinguishing it from...
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Fuels mapping project data for Mount Rainier National Park. Access database with surface fuels data (small woody fuels, large woody fuels, and organic litter and duff) and canopy characteristics...
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This dataset results from systematic sampling on 60 randomly selected plots within the spruce-fir zone of GRSM. Researchers recorded the frequency and cover of 97 bryophyte species occurring on...
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On October 13, 2020 a survey of Upper Letts Lake was conducted where both bathymetric and terrestrial lidar data were collected. Additionally, six bed material samples and three core samples were...
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The San Juan basin is a significant physical and structural element in the southeastern part of the Colorado Plateau physiographic province. The San Juan basin is in New Mexico, Colorado, Arizona,...
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The Middle–Upper Triassic Shublik Formation is the main source rock for Arctic Alaska oil and gas accumulations, including the supergiant Prudhoe Bay field. A revised stratigraphic framework...
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The USGS Lake Erie Biological Station’s East Harbor sampling program began in 1961 with the commissioning of the research vessel Musky II. It is the longest known continuous trawl survey in Lake...
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In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern coast...
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JPEG images of each seismic line were generated in order to incorporate images of the seismic data into Geographic Information System (GIS) projects and data archives utilizing HTML. The JPG...
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While permeable pavement is increasingly being used to control stormwater runoff, field-based, side-by-side investigations on the effects different pavement types have on nutrient concentrations...
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This dataset contains results from long-term monitoring of breeding shorebirds on the Coastal Plain (1002 Area) of the Arctic National Wildlife Refuge, Alaska. Surveys were conducted during...
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This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set of geologic characteristics distinguishing it from...