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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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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: 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: Adams, Alamosa, Antarctica, Antarctica, Arapahoe, All tags...
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Climate change over the past century has altered vegetation community composition and species distributions across rangelands in the western United States. The scale and magnitude of climatic influences are largely unknown. We used fractional component cover data for rangeland functional groups and weather data from the 1985 to 2023 reference period in conjunction with soils and topography data to develop empirical models describing the spatio-temporal variation in component cover. To investigate the ramifications of future change across the western US, we extended models based on historical relationships over the reference period to model landscape effects based on future weather conditions from two emissions scenarios...
Tags: AB, AZ, Alberta, Arizona, Arizona Plateau, All tags...
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Invasive annual grasses are a primary, severe, and challenging threat to habitat conservation and restoration for sage-dependent wildlife across federal, state and private lands. Successful management solutions for sagebrush rangelands are likely to be multiphasic, involving some sequence of interventions such as herbicides, seeding of competitive natives that also create habitat, and temporarily altering land use, in an adaptive-management approach. The proposed work tests different herbicides and options for applying them with different seeding and land uses, across a gradient of climate and soils in Interior Regions 5 and 7.This research will examine the efficacy of management options for controlling cheatgrass...
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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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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This composite shaded relief image dataset depicts generalized bathymetry and topography of the Caribbean region.
Categories: Data, pre-SM502.8; Tags: AG, AI, AN, AW, Anguilla, All tags...


map background search result map search result map USGS Topo Map Vector Data (Vector) 9655 Colorado Springs CO (published 20240103) FileGDB USGS Topo Map Vector Data (Vector) 70842 Maysville CO (published 20240103) Shapefile USGS Topo Map Vector Data (Vector) 32767 Oakbrush Hill CO (published 20240103) Shapefile USGS Topo Map Vector Data (Vector) 22099 Ironton CO (published 20240103) FileGDB USGS Topo Map Vector Data (Vector) 11429 Davis Canyon UT (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 47930 Wedding Cake Butte NM (published 20231224) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 14030005 (published 20240109) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 14080107 (published 20231220) FileGDB USGS NED 1/3 arc-second Contours for Aztec W, New Mexico 1 x 1 degree (published 20240112) FileGDB USGS NED 1/3 arc-second Contours for Durango E, Colorado 1 x 1 degree (published 20240112) Shapefile Assessing annual grass management effectiveness in the sagebrush biome Shaded Relief Image of the Caribbean Region (shadedrelief.jpg) USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 10 (published 20230726) GeoPackage Geographic Names Information System (GNIS) Domestic Names for CO (published 20240201) pipes Geographic Names Information System (GNIS) Full Model National (published 20240201) FileGDB USGS Topo Map Vector Data (Vector) 7486 Casa Grande NM (published 20231224) GeoPackage USGS Topo Map Vector Data (Vector) 38911 Ruin Point UT (published 20231225) GeoPackage USGS Topo Map Vector Data (Vector) 21685 Idaho Springs CO (published 20240103) GeoPackage USGS Topo Map Vector Data (Vector) 9654 Colorado National Monument CO (published 20240103) GeoPackage Projections of Rangeland Fractional Component Cover Across Western Northern American Rangelands for Representative Concentration Pathways (RCP) 4.5 and 8.5 Scenarios for the 2020s, 2050s, and 2080s Time-Periods USGS Topo Map Vector Data (Vector) 9655 Colorado Springs CO (published 20240103) FileGDB USGS Topo Map Vector Data (Vector) 70842 Maysville CO (published 20240103) Shapefile USGS Topo Map Vector Data (Vector) 32767 Oakbrush Hill CO (published 20240103) Shapefile USGS Topo Map Vector Data (Vector) 22099 Ironton CO (published 20240103) FileGDB USGS Topo Map Vector Data (Vector) 11429 Davis Canyon UT (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 47930 Wedding Cake Butte NM (published 20231224) FileGDB USGS Topo Map Vector Data (Vector) 7486 Casa Grande NM (published 20231224) GeoPackage USGS Topo Map Vector Data (Vector) 38911 Ruin Point UT (published 20231225) GeoPackage USGS Topo Map Vector Data (Vector) 21685 Idaho Springs CO (published 20240103) GeoPackage USGS Topo Map Vector Data (Vector) 9654 Colorado National Monument CO (published 20240103) GeoPackage USGS NED 1/3 arc-second Contours for Aztec W, New Mexico 1 x 1 degree (published 20240112) FileGDB USGS NED 1/3 arc-second Contours for Durango E, Colorado 1 x 1 degree (published 20240112) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 14030005 (published 20240109) FileGDB Geographic Names Information System (GNIS) Domestic Names for CO (published 20240201) pipes Assessing annual grass management effectiveness in the sagebrush biome USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 10 (published 20230726) GeoPackage Projections of Rangeland Fractional Component Cover Across Western Northern American Rangelands for Representative Concentration Pathways (RCP) 4.5 and 8.5 Scenarios for the 2020s, 2050s, and 2080s Time-Periods Shaded Relief Image of the Caribbean Region (shadedrelief.jpg) Geographic Names Information System (GNIS) Full Model National (published 20240201) FileGDB