-
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 62 recent views
Department of the Interior —
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... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
NOAA ENC Direct to GIS
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in... -
Federal
USGS Transportation Overlay Map Service from The National Map
U.S. Geological Survey, Department of the Interior —
The USGS Transportation service from The National Map (TNM) is based on TIGER/Line data provided through U.S. Census Bureau and road data from U.S. Forest Service.... -
Federal
National Tunnel Inventory
Department of Transportation —
The National Tunnel Inventory dataset was compiled on June 15, 2023 and published on June 30, 2023 from the Federal Highway Administration (FHWA) and is part of the... -
Federal
National Tunnel Inventory Elements
Department of Transportation —
The National Tunnel Inventory Elements dataset was compiled on June 15, 2023 and published on June 30, 2023 from the Federal Highway Administration (FHWA) and is part...