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When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there are areas of habitat believed to be essential the species’ conservation. Those areas may be proposed for designation as “critical habitat.” Critical habitat is a term defined and used in the Act. It is a specific geographic area(s) that contains features essential for the conservation of a threatened or endangered species and that may require special management and protection. Critical habitat may include an area that is not currently occupied by the species but that will be needed for its recovery. An area is designated as “critical habitat” after the...
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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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USGS high resolution orthorectified images from The National Map combine the image characteristics of an aerial photograph with the geometric qualities of a map. An orthoimage is a uniform-scale image where corrections have been made for feature displacement such as building tilt and for scale variations caused by terrain relief, sensor geometry, and camera tilt. A mathematical equation based on ground control points, sensor calibration information, and a digital elevation model is applied to each pixel to rectify the image to obtain the geometric qualities of a map. A digital orthoimage may be created from several photographs mosaicked to form the final image. The source imagery may be black-and-white, natural...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, All tags...
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These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands.
Categories: pre-SM502.8; Tags: Alabama, Alaska, American Samoa, Arizona, Arkansas, All tags...
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These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation with local, State, and Federal environmental agencies to collect water-use information. USGS compiles these data to produce water-use information aggregated at the county, state, and national levels. Every five years, data at the county level are compiled into...
Categories: pre-SM502.8; Tags: Alabama, Alaska, American Samoa, Arizona, Arkansas, All tags...
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Time series data of wave height and water surface elevation were acquired for 147 days at four locations off of the north coast and four locations off the south coast of Buck Island, U.S. Virgin Islands, in support of a study on the coastal circulation patterns and the transformation of surface waves over the coral reefs. The relative placement of sensors on the reefs were as follows: BUI15S1T and BUI15N1T – fore reef BUI15S2T and BUI15N2T – outer reef flat BUI15S3T and BUI15N3T – middle reef flat BUI15S4T and BUI15N4T – inner reef flat
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: AK, AL, AR, AS, AZ, All tags...
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: AK, AL, AR, AS, AZ, All tags...
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: AK, AL, AR, AS, AZ, All tags...
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The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as stated by the "Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD)" "Standard" (https://pubs.usgs.gov/tm/11/a3/). Watershed boundaries are determined solely upon science-based hydrologic principles, not favoring any administrative boundaries or special projects, nor particular program or agency. This dataset represents the hydrologic unit boundaries to the 12-digit (6th level)...
Tags: 10-digit, 12-digit, 14-digit, 16-digit, 2-digit, All tags...
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: Antarctica, Antarctica, BGN, Board on Geographic Names, Borough, All tags...
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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.
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This map layer portrays the boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by extracting county polygon features from the 2006 Census TIGER/Line files produced by the U.S. Census Bureau. These files were then merged into a single file and the county and State boundaries were dissolved, leaving the national boundary. This is a revised version of the July 2012 map layer.
Types: Citation; Tags: Alabama, Alaska, Arizona, Arkansas, Boundaries, All tags...


map background search result map search result map Annotated Checklist of Marine and Inland Fishes of St. Croix, U.S., Virgin Islands Ports Located in the United States Critical Habitat, Pacific Southwest Region 8 USGS Small-scale Dataset - 1:1,000,000-Scale County Boundary Lines of the United States 201406 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale County Boundaries of the United States 201403 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale National Boundaries of the United States 201403 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale County Boundaries of the United States 201403 FileGDB 10.1 USGS Small-scale Dataset - 1:1,000,000-Scale Major Roads of the United States 201403 FileGDB 10.1 USGS US Topo 7.5-minute map for Coral Bay, VI 2013 USGS 1:1,000,000-Scale Federal Lands of the United States 201412 Shapefile Buck Island, U.S. Virgin Islands, wave and water level data, 2015 USGS National Hydrography Dataset Best Resolution (NHD) - United States Virgin Islands (published 20231227) Shapefile USGS Watershed Boundary Dataset (WBD) - National (published 20240228) FileGDB USGS Surface-Water Data for the Nation - National Water Information System (NWIS) USGS Water Use Data for the Nation - National Water Information System (NWIS) Geographic Names Information System (GNIS) Federal Codes National (published 20240202) pipes Geographic Names Information System (GNIS) Government Units National (published 20240202) pipes Gazetteer (Historical Features) (published 20240202) Text File Geographic Names Information System (GNIS) Full Model for VI (published 20240206) FileGDB Buck Island, U.S. Virgin Islands, wave and water level data, 2015 USGS US Topo 7.5-minute map for Coral Bay, VI 2013 Annotated Checklist of Marine and Inland Fishes of St. Croix, U.S., Virgin Islands USGS Surface-Water Data for the Nation - National Water Information System (NWIS) USGS Water Use Data for the Nation - National Water Information System (NWIS) Ports Located in the United States USGS Small-scale Dataset - 1:1,000,000-Scale Major Roads of the United States 201403 FileGDB 10.1 Critical Habitat, Pacific Southwest Region 8 USGS Small-scale Dataset - 1:1,000,000-Scale County Boundary Lines of the United States 201406 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale County Boundaries of the United States 201403 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale National Boundaries of the United States 201403 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale County Boundaries of the United States 201403 FileGDB 10.1 USGS 1:1,000,000-Scale Federal Lands of the United States 201412 Shapefile Geographic Names Information System (GNIS) Federal Codes National (published 20240202) pipes Geographic Names Information System (GNIS) Government Units National (published 20240202) pipes Gazetteer (Historical Features) (published 20240202) Text File USGS Watershed Boundary Dataset (WBD) - National (published 20240228) FileGDB