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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: Alpine County, CA, California, Carson City County, Churchill County, All tags...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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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, Amador County, Area of Complex Channels, Area to be submerged, 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...
The 'Hazel Creek Mine (El Dorado County)' file is part of the Grover Heinrichs mining collection. Grover was the Vice President of Heinrichs GEOEXploration, located in Tucson, Arizona. The collection contains over 1,400 folders including economic geology reports, maps, photos, correspondence, drill logs and other related materials. The focus of much of the information is on the western United States, particularly Arizona, but the collection also includes files on mining activity throughout the United States, foreign countries, and 82 mineral commodities.


map background search result map search result map EA1022 Heptagenia dor post USGS Topo Map Vector Data (Vector) 24030 Kyburz, California 20180918 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14268 Emerald Bay, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25318 Leek Spring Hill, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29042 Michigan Bluff, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33228 Omo Ranch, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 6901 Camino, California 20181005 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6901 Camino, California 20181005 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20866 Homewood, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36721 Pyramid Peak, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41102 Shingle Springs, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41737 Sly Park, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 15704 Folsom, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 16 (published 20190628) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 18040013 (published 20190705) USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 1605 (published 20180814) USGS US Topo 7.5-minute map for Bear River Reservoir, CA 2018 USGS US Topo 7.5-minute map for Folsom, CA 2018 USGS US Topo 7.5-minute map for Garden Valley, CA 2018 USGS Topo Map Vector Data (Vector) 24030 Kyburz, California 20180918 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14268 Emerald Bay, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25318 Leek Spring Hill, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29042 Michigan Bluff, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33228 Omo Ranch, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 6901 Camino, California 20181005 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6901 Camino, California 20181005 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20866 Homewood, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36721 Pyramid Peak, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41102 Shingle Springs, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41737 Sly Park, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 15704 Folsom, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS US Topo 7.5-minute map for Bear River Reservoir, CA 2018 USGS US Topo 7.5-minute map for Folsom, CA 2018 USGS US Topo 7.5-minute map for Garden Valley, CA 2018 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 18040013 (published 20190705) USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 1605 (published 20180814) USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 16 (published 20190628)