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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...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: AL, Administrative watershed units, Alabama, Alcorn County, Area of Complex Channels, All tags...
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This web map contains the ESRI ArcGIS Online World Topographic Map service, (aka "the community basemap"). The World Topographic Map service is designed to be used as a basemap by GIS professionals and as a reference map by anyone. The service includes administrative boundaries, cities, water features, physiographic features, parks, landmarks, highways, roads, railways, airports, and buildings overlaid on land cover and s
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This map presents land cover and detailed topographic maps for the United States. It uses the USA Topographic Map service. The map includes the National Park Service (NPS) Natural Earth physical map at 1.24km per pixel for the world at small scales, i-cubed eTOPO 1:250,000-scale maps for the contiguous United States at medium scales, and National Geographic TOPO! 1:100,000 and 1:24,000-scale maps (1:250,000 and 1:63,000 in Alaska) for the United States at large scales. The TOPO! maps are seamless, scanned images of United States Geological Survey (USGS) paper topographic maps.
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The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of surface water (lakes, ponds, and reservoirs), paths through which water flows (canals, ditches, streams, and rivers), and related entities such as point features (springs, wells, stream gages, and dams). The information encoded about these features includes classification and other characteristics, delineation, geographic name, position and related measures, a "reach code" through which other information can be related to the NHD, and the direction of water flow. The network of reach codes delineating...
Categories: Data; Types: Citation; Tags: Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, Bay/Inlet, All tags...
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The WyGISC Imagery Server provides access to the most recent aerial photography 2009 true-color NAIP and all previous aerial photography collected, i.e. 2006, 2000, and 1994, Additionally access is provided for all series (i.e. 1:24,000, 1:100,000, and 1:250,000) of Digital Raster Graphics (scanned topographic maps) for Wyoming, including both collared and clipped images.
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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...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: AK, AL, Acadia Parish, Adams County, Administrative watershed units, 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...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Abbeville County, Administrative watershed units, Aiken County, Alamance County, Alexander County, 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...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: AK, Adair County, Administrative watershed units, Alaska, Alexander County, 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...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Accomack County, Adams County, Administrative watershed units, Alamance County, Albemarle County, All tags...
The USGS National Hydrography Dataset (NHD) is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of surface water (lakes, ponds, and reservoirs), paths through which water flows (canals, ditches, streams, and rivers), and related entities such as point features (springs, wells, stream gages, and dams). The information encoded about these features includes classification and other characteristics, delineation, geographic name, position and related measures, a "reach code" through which other information can be related to the NHD, and the direction of water flow. The network of reach codes delineating water and transported material flow allows users...
Categories: Data; Tags: Administrative watershed units, Area of Complex Channels, Area to be submerged, Aroostook County, Artificial path, All tags...
The 'Map - Chiricahua Wilderness Area' 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.
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This ArcGIS Server serviceDRGs (Digital Raster Graphics), or topos (USGS Topographic Maps) provides a cached service for users of Wyoming geospatial data using ESRI GIS. The service provides scale-dependant representation of the 250,000, 100,000, and 24,000 topos for Wyoming. USE CONSTRAINTS: Users should follow use constraints found for each data layer available in the mapping service. Visit the Wyoming GeoLibrary for original metadata. WYGISC DOES NOT GUARANTEE 24/7 SUPPORT OF ITS UNFUNDED, FREE MAPPING SERVICES. WyGISC reserves the right to remove access to these services at any time.
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Under the direction of some of the leading American scientists of the 19th century, the United States Coast Survey (USCS) created exceptionally accurate and detailed maps of the country's coastline. These surveys (commonly referred to as "T-sheets") are the single most important data source for understanding the physical and ecological characteristics of the US shoreline prior to substantial Euro-American modification. Their depictions of coastal wetlands and estuaries prior to major development are valuable tools for coastal zone planning and estuary management and form an important foundation for more detailed investigations of historical extent and condition of coastal wetlands.Please visit http://www.caltsheets.org...
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The USGS Elevation Contours service from The National Map (TNM) consists of contours generated for the conterminous United States from 1- and 1/3 arc-second elevation data. Small scale contours derived from 1 arc-second data are displayed at scales ranging from 1:577K to 1:72K in The National Map viewer. Contour intervals are 100 foot between 1:577K and 1:144K, and 50 foot at 1:72K. Large scale contours derived from 1/3 arc-second data are displayed at 1:50K (and larger). Large scale contour intervals are variable across the United States depending on complexity of topography. The National Map viewer allows free downloads of public domain contour data in either Esri File Geodatabase or Shapefile formats. The 3D...


    map background search result map search result map WyGISC Imagery Server Internet Mapping Service: Topographic Maps (DRGs) for Wyoming National Hydrography Dataset (NHD) Topographic World Map USA Topo Maps USGS Elevation Contours Overlay Map Service from The National Map Historical Wetlands of the Southern California Coast USGS National Hydrography Dataset (NHD) Best Resolution for HU8-01010009 20141227 HU-8 Subbasin FileGDB 9.3.1 USGS National Hydrography Dataset (NHD) Best Resolution for Alabama 20160411 State or Territory FileGDB 10.1 - Flowlines USGS National Hydrography Dataset (NHD) Best Resolution for Louisiana 20160415 State or Territory FileGDB 10.1 - Flowlines USGS National Hydrography Dataset (NHD) Best Resolution for Arkansas 20160412 State or Territory FileGDB 10.1 - HUC Watersheds USGS National Hydrography Dataset (NHD) Best Resolution for North Carolina 20160413 State or Territory FileGDB 10.1 - HUC Watersheds USGS National Hydrography Dataset (NHD) Best Resolution for West Virginia 20160414 State or Territory FileGDB 10.1 - HUC Watersheds Historical Wetlands of the Southern California Coast WyGISC Imagery Server USGS National Hydrography Dataset (NHD) Best Resolution for Alabama 20160411 State or Territory FileGDB 10.1 - Flowlines Internet Mapping Service: Topographic Maps (DRGs) for Wyoming USGS National Hydrography Dataset (NHD) Best Resolution for Louisiana 20160415 State or Territory FileGDB 10.1 - Flowlines USGS National Hydrography Dataset (NHD) Best Resolution for North Carolina 20160413 State or Territory FileGDB 10.1 - HUC Watersheds USGS National Hydrography Dataset (NHD) Best Resolution for Arkansas 20160412 State or Territory FileGDB 10.1 - HUC Watersheds USGS National Hydrography Dataset (NHD) Best Resolution for West Virginia 20160414 State or Territory FileGDB 10.1 - HUC Watersheds National Hydrography Dataset (NHD) USGS Elevation Contours Overlay Map Service from The National Map Topographic World Map USA Topo Maps