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Development of oil and gas wells leads to the destruction and fragmentation of natural habitat. Oil and gas wells also increase noise levels which has been shown to be detrimental to some wildlife species. Therefore, the density of oil and gas wells in the western United States was modeled based on data obtained from the National Oil and Gas Assessment.
This data set depicts soil characteristics in western North America. The data set was created from NRCS STATSGO soil data. Calculations were made to reduce one to many relationships to one to one relationships in order to summarize average water capacity, depth to rock, salinity, and pH for each map unit (MUID). ArcMap 8.3 was used to import .dbf files and merge newly created attribute fields to the GIS soil coverage.
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Field spikes were prepared at 207 stream and river sites as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project between December, 2012, and September, 2015. At the field site, a depth-and width-integrated environmental sample was collected, and one subsample of the environmental sample was spiked with a known amount of a spike mixture. Both the spiked subsample ("spike sample") and another subsample ("environmental sample") of the original water sample were analyzed for pesticides at the USGS National Water Quality Laboratory (NWQL) by direct injection liquid chromatography with tandem mass spectrometry (LC-MS/MS), and were used to calculate the spike recovery of each analyte....
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This map layer consists of federally owned or administered lands of the United States, Puerto Rico, and the U.S. Virgin Islands. For the most part, only areas of 320 acres or more are included; some smaller areas deemed to be important or significant are also included. There may be private inholdings within the boundaries of Federal lands in this map layer. Some established Federal lands which are larger than 320 acres are not included in this map layer, because their boundaries were not available from the owning or administering agency.
Tags: Air Force, Alabama, Alaska, Arizona, Arkansas, All tags...
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A one-year seismic hazard forecast for the Central and Eastern United States, based on induced and natural earthquakes, has been produced by the U.S. Geological Survey. The model assumes that earthquake rates calculated from several different time windows will remain relatively stationary and can be used to forecast earthquake hazard and damage intensity for the year 2016. This assessment is the first step in developing an operational earthquake forecast for the CEUS, and the analysis could be revised with updated seismicity and model parameters. Consensus input models consider alternative earthquake catalog durations, smoothing parameters, maximum magnitudes, and ground motion estimates, and represent uncertainties...
Locations of railroad lines for 11 western states. The Bureau of Transportation Statistics 1:100k Railroads line network was clipped to the boundary of the 11 Western States.
Map containing historical census data from 1900 - 2000 throughout the western United States at the county level. Data includes total population, population density, and percent population change by decade for each county. Population data was obtained from the US Census Bureau and joined to 1:2,000,000 scale National Atlas counties shapefile.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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The U.S. Geological Survey (USGS) has been engaged in airborne electromagnetics (AEM) since the 1970s, playing a role in the development of early acquisition systems, developing calibration methods, refining standards for data acquisition, improving data processing, modeling, and interpretation methods, and expanding the range of AEM applications. However, USGS AEM survey visibility and data accessibility has not advanced as rapidly as our use of the technique. This data release catalogs AEM surveys in the United States that have contributed to studies under USGS programs including Water, Geologic Mapping, Minerals, Energy, Environmental Health, Ecosystems, Hazards, and Climate. This dataset contains locations for...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Arizona, Arkansas, California, Colorado, All tags...
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.


map background search result map search result map Railroads in the Western United States Oil and Gas Well Density in the Western United States Average STATSGO Soil Characteristics for the Western United States Human Population in the Western United States (1900 - 2000) All Roads in the Western United States Modified Mercalli Intensity based on horizontal spectral response acceleration for 1.0-second period, with 1-percent probability of exceedance in 1 year for the Western United States USGS Topo Map Vector Data (Vector) 7225 Captain John Rapids, Idaho 20200715 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30559 Mount Defiance, Oregon 20200714 for 7.5 x 7.5 minute Shapefile Airborne Electromagnetic (AEM) Survey Inventory USGS 1:1,000,000-Scale Federal Lands of the United States 201412 FileGDB USGS US Topo 7.5-minute map for Gumm Pond, GA 2011 USGS US Topo 7.5-minute map for O'Sullivan Dam, WA 2011 USGS US Topo 7.5-minute map for Lake Elmo, MN 2016 USGS US Topo 7.5-minute map for Orwell, VT-NY 2012 USGS US Topo 7.5-minute map for Lewiston Orchards South, ID-WA 2017 USGS US Topo 7.5-minute map for Hagerstown, MD-PA 2014 USGS US Topo 7.5-minute map for Saint Paul Park, MN 2013 USGS US Topo 7.5-minute map for Rush Peak, ID 2011 USGS US Topo 7.5-minute map for Sturgill Creek, ID-OR 2017 USGS Topo Map Vector Data (Vector) 7225 Captain John Rapids, Idaho 20200715 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30559 Mount Defiance, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Gumm Pond, GA 2011 USGS US Topo 7.5-minute map for O'Sullivan Dam, WA 2011 USGS US Topo 7.5-minute map for Lake Elmo, MN 2016 USGS US Topo 7.5-minute map for Orwell, VT-NY 2012 USGS US Topo 7.5-minute map for Lewiston Orchards South, ID-WA 2017 USGS US Topo 7.5-minute map for Hagerstown, MD-PA 2014 USGS US Topo 7.5-minute map for Saint Paul Park, MN 2013 USGS US Topo 7.5-minute map for Rush Peak, ID 2011 USGS US Topo 7.5-minute map for Sturgill Creek, ID-OR 2017 Average STATSGO Soil Characteristics for the Western United States Railroads in the Western United States All Roads in the Western United States Modified Mercalli Intensity based on horizontal spectral response acceleration for 1.0-second period, with 1-percent probability of exceedance in 1 year for the Western United States Human Population in the Western United States (1900 - 2000) Oil and Gas Well Density in the Western United States Airborne Electromagnetic (AEM) Survey Inventory USGS 1:1,000,000-Scale Federal Lands of the United States 201412 FileGDB