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This dataset provides timeseries data on water quality and quantity, as collected or computed from outside sources. The format is many tables with one row per time series observation (1 tab-delimited file per site-variable combination, 1 zip file per site). This compilation of data is intended for use in estimating or interpreting metabolism. Sites were included if they met the initial criteria of having at least 100 dissolved oxygen observations and one of the accepted NWIS site types ('ST','ST-CA','ST-DCH','ST-TS', or 'SP'). This dataset is part of a larger data release of metabolism model inputs and outputs for 356 streams and rivers across the United States (https://doi.org/10.5066/F70864KX). The complete release...
Tags: 007, 012, AK, AL, AR, All tags...
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This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322 stream gages maintained by the U.S. Geological Survey (USGS). It is an update to the original GAGES, which was published as a Data Paper on the journal Ecology's website (Falcone and others, 2010b) in 2010. The GAGES II dataset consists of gages which have had either 20+ complete years (not necessarily continuous) of discharge record since 1950, or are currently active, as of water year 2009, and whose watersheds lie within the United States, including Alaska, Hawaii, and Puerto Rico. Reference gages were identified based on indicators that they...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Alaska, All 50 states, Arizona, Arkansas, All tags...
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This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed as part of the effort to produce the maps published at 1:2,500,000 in the printed series "Ground Water Atlas of the United States". The published maps contain base and cultural features not included in these data. This is a replacement for the July 1998 map layer called Principal Aquifers of the 48 Conterminous United States.
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The grayscale Puerto Rico and U.S. Virgin Islands shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of Puerto Rico and U.S. Virgin Islands at a resolution of 200 meters. The NED is a raster product assembled by the U.S. Geological Survey, designed to provide national elevation data in a seamless form with a consistent datum, elevation unit, and projection. Data corrections made in the NED assembly process minimize artifacts, permit edge matching, and fill sliver areas of missing data.
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This map layer portrays the Congressional Districts of the United States for the 108th Congress. Lines coincident with Congressional District boundaries were extracted from the existing National Atlas County Boundaries layer. In areas lacking coincident geometry, lines from State data sets or from an Election Data Services data set were integrated into the file. This is an update of the March 2003 map layer.
Categories: Web Site; Tags: Alabama, Alaska, Arizona, Arkansas, Boundaries, All tags...
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The Topographic and Bathymetric Shaded Relief of North America map layer shows depth and elevation ranges using colors, with relief enhanced by shading. The image was derived from two pre-existing map layers; the Bathymetric Shaded Relief of North America, derived from ETOPO2 data, and the Color North America Shaded Relief, derived from GTOPO30 data.
Categories: Web Site; Tags: Alabama, Alaska, Arizona, Arkansas, Atlantic, All tags...
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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. Only areas of 640 acres or more are included. There may be private inholdings within the boundaries of Federal lands in this map layer. This is a revised version of the December 2005 map layer.
Categories: Web Site; Tags: Agricultural Research Service, Air Force, Alabama, Alaska, Arizona, All tags...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project of the National Water-Quality Program. One of the major goals of the NAWQA project is to determine how water-quality conditions change over time. To support that goal, long-term consistent and comparable monitoring has been conducted on streams and rivers throughout the Nation. Outside of the NAWQA project, the USGS and other Federal, State, and local agencies also have collected long-term water-quality data to support their own assessments of changing water-quality conditions. Data from these multiple sources have been combined to support...
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An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map. There is no image overlap between adjacent files. Data received at Earth Resources Observation and Science Center (EROS) were reprojected from: Projection: NAD_1983_StatePlane_Puerto_Rico_Virgin_Islands_FIPS_5200 Resolution: 0.3000m Type: 4 Band to: Standard Product Projection: NAD_1983_UTM_Zone_19N Standard Product Resolution: 0.3000 m Rows: 5000 Columns: 5000 and resampled to align to the U.S. National Grid (USNG) using The National Map. The...


map background search result map search result map Magnetic Field - Inclination Component for the Epoch 1995.0 Congressional Districts of the United States - 108th Congress Topographic and Bathymetric Shaded Relief of North America Grayscale Puerto Rico and the U.S. Virgin Islands Shaded Relief – 200- Meter Resolution Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands Federal Lands of the United States GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012(output) USGS US Topo 7.5-minute map for San German, PR 2017 Metabolism estimates for 356 U.S. rivers (2007-2017): 3. Timeseries data USGS Topo Map Vector Data (Vector) 10181 Corozal, Puerto Rico 20190306 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 76292 Cayo Icacos OE N, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 7959 Central Aguirre, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 21430 Humacao, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22130 Isabela, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 320744 Isla de Mona OE E, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31333 Naranjito, Puerto Rico 20190306 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 37976 Rio Grande, Puerto Rico 20190306 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 76917 Quebradillas, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS High Resolution Orthoimagery for the Island of Puerto Rico: 19QGA215325_200910_0x3000m_4B_1 USGS High Resolution Orthoimagery for the Island of Puerto Rico: 19QGA215325_200910_0x3000m_4B_1 USGS US Topo 7.5-minute map for San German, PR 2017 USGS Topo Map Vector Data (Vector) 10181 Corozal, Puerto Rico 20190306 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 76292 Cayo Icacos OE N, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 7959 Central Aguirre, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 21430 Humacao, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22130 Isabela, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 320744 Isla de Mona OE E, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31333 Naranjito, Puerto Rico 20190306 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 37976 Rio Grande, Puerto Rico 20190306 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 76917 Quebradillas, Puerto Rico 20190306 for 7.5 x 7.5 minute Shapefile Grayscale Puerto Rico and the U.S. Virgin Islands Shaded Relief – 200- Meter Resolution Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012(output) Metabolism estimates for 356 U.S. rivers (2007-2017): 3. Timeseries data GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow Topographic and Bathymetric Shaded Relief of North America Federal Lands of the United States Congressional Districts of the United States - 108th Congress Magnetic Field - Inclination Component for the Epoch 1995.0