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This map layer portrays the Congressional districts of the United States, Puerto Rico, and the U.S. Virgin Islands, for the 113th Congress.
This map layer includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modified version of the National Atlas of the United States 1:1,000,000-Scale Waterbodies and Wetlands of the United States; that data set was created primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDWaterbody feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets.
Layered GeoPDF Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
Layered GeoPDF Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Floridia,
Swamps, marshes, bogs, fens,
District of Columbia,
Missouri,
Mississippi,
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.
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: National Park,
National Mall,
Louisiana,
Tennessee Valley Authority,
Iowa,
This map layer shows isoclinic lines (lines of constant inclination of the Earth's magnetic field), derived from the International Geomagnetic Reference Field (IGRF) for the epoch 1995.0. Magnetic inclination is the angle between the magnetic field vector and the horizontal plane.
This map layer portrays the major acquisitions of territory by the United States of America. Only areas in North America, the Caribbean, and Hawaii are included. Also shown are areas that were part of the United States at one time but which have been ceded to other countries.
This map layer shows major ports in the United States, Puerto Rico, and the U.S.Virgin Islands. A port is a city, town, or urban area with a harbor where shipsload or unload.
This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbor where ships load or unload. This is a revised version of the July 2012 map layer.
This map layer includes Global Map data showing streams in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modified version of the National Atlas of the United States 1:1,000,000-Scale Streams of the United States; that file was produced primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDFlowline feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets.
This map layer contains waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDWaterbody feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets. This is a revised version of the July 2012 map layer.
This map layer includes Global Map data showing elevation for Puerto Rico and the U.S. Virgin Islands, in meters relative to mean sea level. The data are a modified version of the National Atlas of the United States 100-Meter Resolution Elevation of Puerto Rico and the U.S. Virgin Islands. To comply with Global Map requirements, the National Atlas 100-meter Elevation data were reprojected to WGS84 Geographics, the values for oceans and non-U.S. land were adjusted, and the data were saved in Band-Interleaved-by-Line (BIL) format. The National Atlas source elevation data were derived from National Elevation Dataset (NED) data, http://ned.usgs.gov, and show the terrain at a resolution of 100 meters. The NED is a raster...
Types: Citation;
Tags: Small-scale Datasets,
Topographic,
Small-scale Datasets,
Small-scale Datasets,
US,
Layered GeoPDF Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
This data set portrays the incidence of certain wildlife mortality events in the United States. The data set was extracted from the U.S. Geological Survey National Wildlife Health Center's (NWHC) EPIZOO database, which is a long term data set that documents over 30 years of information on epizootics (epidemics) in wildlife. EPIZOO tracks die-offs throughout the United States and territories, primarily in migratory birds and endangered species. This data set contains information about the frequency of wildlife mortality events caused by 4 different types of agents (avian botulism, avian cholera, avian lead poisoning, and wildlife organophosphate/ carbamate poisoning) by county throughout the United States. This is...
This map layer portrays the time zones of the United States, Puerto Rico, and the U.S. Virgin Islands. Also included are the Greenwich Mean Time offset, and areas in the U.S. where daylight saving time is observed. This is a revised version of the September 2004 map layer.
This map layer shows areal and linear water features of the United States, Puerto Rico, and the U.S. Virgin Islands. The original file was produced by joining the individual State hydrography layers from the 1:2,000,000- scale Digital Line Graph (DLG) data produced by the USGS. This map layer was formerly distributed as Hydrography Features of the United States. This is a revised version of the January 2003 map layer.
Fish collections made at Buck Island Reef National Monument with the ichthyocide rotenone in 2001 at 58 stations followed by 10 days each in April 2011 and January 2012 surveying poorly sampled shoreline habitats with rotenone and clove oil and inland streams with seine. Attached files: Original metadata created at the Southeast Ecological Science Center - Jelks_St_Croix_2001-2012.xml Original dataset provided by M. Cannister - Jelks_St_Croix_2001-2012_orig.csv Enrollment journal used to crosswalk the original data into MBG format - OBIS-USA Enrollment Journal Virgin Islands Jelks 20140626.doc Final MBG version of the data after processing - USGS_StCroix_MarineFishesMBG_20140702.csv Intermediate file created by...
This map layer contains tree canopy data for Puerto Rico and the U.S. Virgin Islands, in an Albers Equal-Area Conic projection and at a resolution of 100 meters. The tree canopy data were derived from the National Land Cover Database (NLCD) 2001 percent tree canopy data set, a product of the Multi-Resolution Land Characteristics Consortium (MRLC). The MRLC is a multi-agency cooperative effort to study land cover change. The NLCD 2001 is described at http://www.mrlc.gov/nlcd2001.php.
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U.S. Department of the Interior
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U.S. Geological Survey
