Description: This data set contains digital hydrologic unit boundaries at the subwatershed (8-digit) level. For additional information, see the Metadata Lite record
Color: [0, 38, 115, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: This data set contains digital hydrologic unit boundaries at the subwatershed (10-digit) level. For additional information, see the Metadata Lite record
Color: [0, 92, 230, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: This data set contains digital hydrologic unit boundaries at the subwatershed (12-digit) level. For additional information, see the Metadata Lite record
Color: [0, 92, 230, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: This data set (NHHD) interconnects and uniquely identifies the stream segments or reaches that make up the state's surface water drainage system. For additional information, see the
Metadata Lite record
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: This data set (NHHD) interconnects and uniquely identifies the stream segments or reaches that make up the state's surface water drainage system. For additional information, see the
Metadata Lite record
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: This data set depicts 50-foot buffer zones around perennial surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 100-foot buffer zones around perennial surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 150-foot buffer zones around perennial surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 200-foot buffer zones around perennial surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 250-foot buffer zones around perennial surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 300-foot buffer zones around perennial surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 50-foot buffer zones around perennial and intermittent surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 100-foot buffer zones around perennial and intermittent surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 150-foot buffer zones around perennial and intermittent surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 200-foot buffer zones around perennial and intermittent surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 250-foot buffer zones around perennial and intermittent surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set depicts 300-foot buffer zones around perennial and intermittent surface waters for each town in New Hampshire. For additional information, see the Metadata Lite record
Description: This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). The National Wetlands Inventory - Version 2, Surface Waters and Wetlands Inventory was derived by retaining the wetland and deepwater polygons that compose the NWI digital wetlands spatial data layer and reintroducing any linear wetland or surface water features that were orphaned from the original NWI hard copy maps by converting them to narrow polygonal features. Additionally, the data are supplemented with hydrography data, buffered to become polygonal features, as a secondary source for any single-line stream features not mapped by the NWI and to complete segmented connections. Wetland mapping conducted in WA, OR, CA, NV and ID after 2012 and most other projects mapped after 2015 were mapped to include all surface water features and are not derived data. The linear hydrography dataset used to derive Version 2 was the U.S. Geological Survey's National Hydrography Dataset (NHD). Specific information on the NHD version used to derive Version 2 and where Version 2 was mapped can be found in the 'comments' field of the Wetlands_Project_Metadata feature class. Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth, go undetected by aerial imagery. By policy, the Service also excludes certain types of "farmed wetlands" as may be defined by the Food Security Act or that do not coincide with the Cowardin et al. definition. Contact the Service's Regional Wetland Coordinator for additional information on what types of farmed wetlands are included on wetland maps. This dataset should be used in conjunction with the Wetlands_Project_Metadata layer, which contains project specific wetlands mapping procedures and information on dates, scales and emulsion of imagery used to map the wetlands within specific project boundaries.
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: This data set contains polygons describing the ability of an aquifer to transmit water, measured in feet squared per day. For additional information, see the Metadata Lite record
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 8 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: 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 bodies. Reaches are also defined on waterbodies and the approximate shorelines of the Great Lakes, the Atlantic and Pacific Oceans and the Gulf of Mexico. The NHD also incorporates the National Spatial Data Infrastructure framework criteria established by the Federal Geographic Data Committee.Imported from J:\Imagery\GRANITViewer\Data\GRANITViewerDataSets.gdb\NHDFlowlineInNH (9/24/2012)Time period 1956 - 201105