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Federal
USGS US Topo Map Collection
Department of the Interior —
Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography,... -
Federal
USGS Historical Topographic Map Collection
Department of the Interior —
USGS Historical Quadrangle in GeoPDF. The USGS Historical Topographic Map Collection (HTMC) is scanning all scales and all editions of topographic maps published by... -
City
ELEVATION_contours_2021
City of Austin —
ELEVATION.contours_2021 Summary The Texas Natural Resources Information System (TNRIS) contracted Sanborn to fly LiDAR in March of 2021. TNRIS then created the... -
State
Lake Bathymetry Contours Lines
State of Connecticut —
See full Data Guide here. Lake Bathymetry describes the water depth for selected reservoirs, lakes, ponds, and coves in Connecticut. It includes depth contours, also... -
Federal
Luftee Knob 40 ft Interval Contour Lines
Department of the Interior —
The Luftee Knob 40 ft Interval Contour Lines is the primary Luftee Knob 40 ft Interval Contour Line data product produced and distributed by the National Park... -
Federal
Jones Cove 40 ft Interval Contour Lines
Department of the Interior —
The Jones Cove 40 ft Interval Contour Lines is the primary Jones Cove 40 ft Interval Contour Line data product produced and distributed by the National Park Service,... -
Topography Spot Elevations
District of Columbia —
Mass Points (2008). The dataset contains DTM masspoints derived photogrammetrically to support 2’ contours. Masspoints and breaklines were compiled from Spring 2008... -
State
2023 Connecticut Contours
State of Connecticut —
Source:1 foot contours were generated for each production block from the final bare earth DEMs using ArcGIS software. Using ArcGIS software, the contours were... -
Federal
Fontana Dam 40 ft Interval Contour Lines
Department of the Interior —
The Fontana Dam 40 ft Interval Contour Lines is the primary Fontana Dam 40 ft Interval Contour Line data product produced and distributed by the National Park... -
Federal
Kinzel Springs 40 ft Interval Contour Lines
Department of the Interior —
The Kinzel Springs 40 ft Interval Contour Lines is the primary Kinzel Springs 40 ft Interval Contour Line data product produced and distributed by the National Park... -
Topography 20 Foot Contours - 2008
District of Columbia —
20 foot contours (2008). This dataset contains locations and attributes of 20-ft interval topography data, created as part of the DC Geographic Information System (DC... -
Federal
Depth contours derived from swath bathymetry data collected in Buzzards Bay by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts in 2004, 2009, 2010, and 2011 (BB_5mCntr Esri Polyline Shapefile, Geographic, WGS84).
Department of the Interior —
These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),... -
Federal
Geologic structure-contours for the top of the Inyan Kara Formation in the Black Hills Area, South Dakota
Department of the Interior —
This data set represents geologic structure contours for the top of the Inyan Kara Group, Black Hills, South Dakota. -
Federal
Gatlinburg 40 ft Interval Contour Lines
Department of the Interior —
The Gatlinburg 40 ft Interval Contour Lines is the primary Gatlinburg 40 ft Interval Contour Line data product produced and distributed by the National Park Service,... -
Topography 2 Foot Contours - 2008
District of Columbia —
2 foot contours (2008) provided as shapefile. This dataset may delay in downloading. Optionally download geodatabase. This dataset contains locations and attributes of... -
Topography Northwest DC - 2020
District of Columbia —
0.6 meter contours. This dataset contains locations and attributes of 0.6 meter interval topography data, created using bare earth points from the lidar point cloud... -
Federal
Potentiometric surface contours for the Minnekahta aquifer, Black Hills area, South Dakota
Department of the Interior —
This data set represents potentiometric surface contours for the Minnekahta aquifer, Black Hills, South Dakota. -
Federal
Depth-to-water contours for Carson Valley, Nevada
Department of the Interior —
This data set contains the depth-to-water contours derived from ground-water monitoring sites in Carson Valley, west-central Nevada. The data set is part of a spatial...