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This data represents the map extent for current and historical USGS topographic maps for the United States and Territories, including 1 X 2 Degree, 1 X 1 Degree, 30 X 60 Minute, 15 X 15 Minute, 7.5 X 7.5 Minute, and 3.75 X 3.75 Minute. The grid was generated using ESRI ArcInfo GIS software.
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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: AS, Administrative watershed units, Administrative watershed units, American Samoa, Area of Complex Channels, All tags...
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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: AS, Administrative watershed units, Administrative watershed units, American Samoa, Area of Complex Channels, All tags...
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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: AS, Administrative watershed units, Administrative watershed units, American Samoa, Area of Complex Channels, All tags...
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This coverage includes arcs, polygons and polygon labels that describe U.S. Geological Survey defined geologic provinces of the Australia and New Zealand area (Australia, Fiji, New Zealand, Tonga and Vanuatu; and parts of Indonesia, Papua New Guinea and Solomon Islands). Each province has a set of geologic characteristics distinguishing it from surrounding provinces. These characteristics may include the dominant lithologies, the age of the strata, and the structural style. Some provinces include multiple genetically-related basins. Offshore province boundaries are defined by the 2000 meter bathymetric contour.
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: AS, Adelaide and Kanmantoo Fold Belts, Province 3901, Akita Basin, Province 3301, Alakol Basin, Province 1169, Alashan Yinshan Fold Belt, Province 3101, All tags...
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and traced...
Tags: AS, American Samoa, Downloadable Data, Eastern County, FileGDB, All tags...


map background search result map search result map USGS Topo Map Vector Data (Vector) 394907 Manua Islands, American Samoa 20161223 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 394909 Manua Islands OE E, American Samoa 20161223 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 395648 Manua Islands OE S, American Samoa 20161222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 394908 Manua Islands OE W, American Samoa 20161222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 394913 Tutuila Island OE E, American Samoa 20161222 for 7.5 x 7.5 minute Shapefile USGS National Boundary Dataset (NBD) in American Samoa 20220624 State or Territory FileGDB 10.1 MAPINDICES American Samoa 20220324 State or Territory Shapefile USGS 1:24000-scale Quadrangle for Manua Islands East, AS 2001 USGS 1:24000-scale Quadrangle for Manua Islands, AS 1963 USGS 1:24000-scale Quadrangle for Tutuila Island East, AS 2001 USGS 1:24000-scale Quadrangle for Tutuila Island West, AS 2001 USGS National Structures Dataset (NSD) American Samoa 20220722 FileGDB BLM REA YKL 2011 YKL DV H Alaska ARDFDataset ISER USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 22030001 (published 20220610) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 22030005 (published 20220610) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 22030003 (published 20220610) USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 2203 (published 20201113) Geologic Provinces of Australia and New Zealand, 2000 (prv3cl) USGS National Structures Dataset (NSD) American Samoa 20220722 GeoPackage USGS National Transportation Dataset (NTD) for American Samoa (published 20220722) GeoPackage USGS Topo Map Vector Data (Vector) 394907 Manua Islands, American Samoa 20161223 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 394909 Manua Islands OE E, American Samoa 20161223 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 395648 Manua Islands OE S, American Samoa 20161222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 394908 Manua Islands OE W, American Samoa 20161222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 394913 Tutuila Island OE E, American Samoa 20161222 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 22030005 (published 20220610) USGS 1:24000-scale Quadrangle for Manua Islands East, AS 2001 USGS 1:24000-scale Quadrangle for Tutuila Island East, AS 2001 USGS 1:24000-scale Quadrangle for Tutuila Island West, AS 2001 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 22030003 (published 20220610) USGS 1:24000-scale Quadrangle for Manua Islands, AS 1963 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 22030001 (published 20220610) USGS National Boundary Dataset (NBD) in American Samoa 20220624 State or Territory FileGDB 10.1 MAPINDICES American Samoa 20220324 State or Territory Shapefile USGS National Structures Dataset (NSD) American Samoa 20220722 FileGDB USGS National Structures Dataset (NSD) American Samoa 20220722 GeoPackage USGS National Transportation Dataset (NTD) for American Samoa (published 20220722) GeoPackage USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 2203 (published 20201113) BLM REA YKL 2011 YKL DV H Alaska ARDFDataset ISER Geologic Provinces of Australia and New Zealand, 2000 (prv3cl)