202 datasets found for "Tunnels"
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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 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
USGS Transportation Overlay Map Service from The National Map recent views
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.... -
University
GNIS: Oilfields, Mines, Dams, Towers, Man-made structures recent views
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) actively seeks data from and partnerships with Government agencies at all levels and other interested organizations.... -
Federal
National Tunnel Inventory recent views
Department of Transportation —
The National Tunnel Inventory dataset was compiled on July 22, 2024 and published on July 24, 2024 from the Federal Highway Administration (FHWA) and is part of the... -
Sidewalks 2021 recent views
District of Columbia —
All public walkways are captured. Sidewalks do not overlap other feature classes unless they are hidden under a bridge or overpass. Cement pads around public swimming... -
Airport Runway and Taxiway 2019 recent views
District of Columbia —
Runway, taxiway, apron, airport perimeter, or helipad. The dataset contains polygons representing planimetric runway, taxiway, apron, airport perimeter, or helipad,... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection recent views
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 recent views
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
Laboratory Observations of Artificial Sand and Oil Agglomerates: Video and Velocity Data: Sea Floor Interaction Experiment Video (GoPro) recent views
Department of the Interior —
Weathered oil in the surf-zone after an oil spill may mix with suspended sediments to form sand and oil agglomerates (SOA). Sand and oil agglomerates may form in mats... -
Federal
Plastic pellet (nurdle) abundance collected by citizen scientists on shorelines across several countries from 2018-11-07 to 2022-05-30 (NCEI Accession 0259486) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains counts of plastic pellet (nurdle) abundance (reported in units of counts) that were collected by citizen scientists on shorelines across several... -
Federal
NARSTO Pacific 2001 Air Quality Study (PAC2001) Greater Vancouver Regional District (GVRD) and and Canadian Air and Precipitation Monitoring Network (CAPMoN) Supplemental Air Quality Data recent views
National Aeronautics and Space Administration —
NARSTO_PAC2001_GVRD_CAPMON_AIR_QUAL_DATA is the North American Research Strategy for Tropospheric Ozone (NARSTO) Pacific 2001 Air Quality Study (PAC2001) Greater... -
Traffic Barrier 2017 recent views
District of Columbia —
Traffic Barrier. The dataset contains polylines representing planimetric barriers, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office... -
Swimming Pools 2019 recent views
District of Columbia —
Swimming Pools. The dataset contains polygons representing planimetric pools, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of... -
State
Connecticut Railroads recent views
State of Connecticut —
Connecticut Railroads is a 1:24,000-scale, feature-based layer that includes railroad features on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle... -
Federal
Rock mass quality and structural geology observations in northwest Prince William Sound, Alaska from the summer of 2021 recent views
Department of the Interior —
Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a... -
Federal
Wind and slope effects on laboratory-scale fire behavior recent views
Department of Agriculture —
Wind and slope interaction effects on rate of spread, flame length and flame angle were examined in 65 fires in an open-topped tilting wind tunnel. Fuel beds... -
Federal
OWLETS-2 SERC Research Vessel Data recent views
National Aeronautics and Space Administration —
OWLETS2_Ship_Data_1 is the Ozone Water-Land Environmental Transition Study (OWLETS-2) data collected onboard the Smithsonian Environmental Research Center (SERC)... -
Building Footprints 2017 recent views
District of Columbia —
Building. The dataset contains polygons representing planimetric buildings, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
Building Footprints 2008 recent views
District of Columbia —
Buildings. The dataset contains polygons representing planimetric buildings, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of... -
Federal
OWLETS-2 Ceilometer Aerosol Data recent views
National Aeronautics and Space Administration —
OWLETS2_Aerosol_Data_1 is the Ozone Water-Land Environmental Transition Study (OWLETS-2) aerosol data collected at various ground sites during the OWLETS-2 field...
202 datasets found for "Tunnels"