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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 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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This dataset was developed for the BLM Rapid Ecoregional Assessment for the Central Yukon and contains a database of descriptions of historic (inactive and closed) mines based on the Alaska Resource Data File (ARDF).
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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.


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 20201111 State or Territory FileGDB 10.1 USGS National Boundary Dataset (NBD) in American Samoa 20201111 State or Territory Shapefile MAPINDICES American Samoa 20201112 State or Territory Shapefile MAPINDICES American Samoa 20201112 State or Territory FileGDB 10.1 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) for American Samoa 20201110 State or Territory FileGDB 10.1 BLM REA CYR 2013 Locations of Active Mines in Central Yukon BLM REA CYR 2013 Locations of Historic Mines in Central Yukon BLM REA YKL 2011 YKL DV H Alaska ARDFDataset ISER USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 22030001 (published 20201005) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 22030005 (published 20201006) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 22030003 (published 20201010) 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 Hydrologic Unit (HU) 8 - 22030005 (published 20201006) 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 Hydrologic Unit (HU) 8 - 22030001 (published 20201005) USGS National Boundary Dataset (NBD) in American Samoa 20201111 State or Territory FileGDB 10.1 USGS National Boundary Dataset (NBD) in American Samoa 20201111 State or Territory Shapefile MAPINDICES American Samoa 20201112 State or Territory Shapefile MAPINDICES American Samoa 20201112 State or Territory FileGDB 10.1 USGS National Structures Dataset (NSD) for American Samoa 20201110 State or Territory FileGDB 10.1 BLM REA YKL 2011 YKL DV H Alaska ARDFDataset ISER BLM REA CYR 2013 Locations of Active Mines in Central Yukon BLM REA CYR 2013 Locations of Historic Mines in Central Yukon