Search datasets
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Download In State Plane Projection HereClick here to access additional data directly from the Illinois State Geospatial Data Clearinghouse.The contours are created from a bare earth DEM derived...
Search relevance: 112.33 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
This data set contains two sets of water-level contours that represent interpreted water-levels for an area between the Platte and Elkhorn Rivers upstream of their confluence. The contours are...
Search relevance: 94.39 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:11 PM -
This dataset is a polyline shapefile containing bathymetric contours, at 1-meter intervals, of Lago Guayabal, Villalba, Puerto Rico. The contours were generated from bathymetric data collected...
Search relevance: 92.62 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 09:52 PM -
The NOAA Hypoxia Watch project provides near-real-time, web-based maps of dissolved oxygen near the sea floor over the Texas-Louisiana continental shelf during a period that extends from mid-June...
Search relevance: 55.08 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 05:17 PM -
This GIS shapefile, "quantile_bands," is derived from a parent shapefile, "density_contours," which describes 1) a bison study area in the North Unit of Theodore Roosevelt National Park, North...
Search relevance: 48.44 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 08:57 PM -
This GIS shapefile, "density_contours," describes 1) a bison study area in the North Unit of Theodore Roosevelt National Park, North Dakota and 2) 25%, 50%, 75%, and 99% kernel density contours...
Search relevance: 47.31 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:16 PM -
This dataset includes a geodatabase used to construct the 2017 potentiometric‑surface maps and depth-to-water surface rasters of the Tokio aquifer. The datasets include: (1) groundwater‑level...
Search relevance: 44.84 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
This data release contains spatial data associated with the sedimentation survey of Lago Guayabal conducted during the period December 11- December 14, 2017 by the Puerto Rico office of the...
Search relevance: 43.91 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:00 PM -
This dataset contains 50-ft contours for the Hot Springs shallowest unit of the Ouachita Mountains aquifer system potentiometric-surface map. The potentiometric-surface shows altitude at which the...
Search relevance: 43.10 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:30 PM -
This geodatabase contains the datasets used to construct the 2017 potentiometric‑surface maps and depth-to-water-surface rasters of the Nacatoch aquifer in the northeastern and southwestern...
Search relevance: 42.67 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
This data set is a raster that represents the groundwater-level surface within the Bazile Groundwater Management Area (BGMA) in spring of 2017. This raster was created for use within the...
Search relevance: 42.40 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:14 PM -
Click here to access the data directly from the Illinois State Geospatial Data Clearinghouse. These lidar data are processed Classified LAS 1.4 files, formatted to 2,117 individual 2500 ft x 2500...
Search relevance: 41.09 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
The U.S. Geological Survey in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District has...
Search relevance: 40.89 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:42 PM -
The dataset contains hydro-breaklines that were collected in 2D as vector line work, using a combination of classified lidar dataset, intensity images, shaded relief TIN and contours. Voids exist...
Search relevance: 40.06 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
This data release contains GIS layers and associated metadata in support of a hydrologic assessment of the Edwin B. Forsythe National Wildlife Refuge, New Jersey. Water-table elevation contours...
Search relevance: 39.86 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:49 PM -
Download In State Plane Projection Here The 2017 Digital Terrain Model (DTM) is a 2 foot pixel resolution raster in Erdas IMG format. This was created using the ground (class = 2) lidar points...
Search relevance: 39.84 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
Download In State Plane Projection Here The 2017 Digital Terrain Model (DTM) is a 2 foot pixel resolution raster in Erdas IMG format. This was created using the ground (class = 2) lidar points...
Search relevance: 39.10 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
Download In State Plane Projection Here The 2017 Digital Terrain Model (DTM) is a 2 foot pixel resolution raster in Erdas IMG format. This was created using the ground (class = 2) lidar points...
Search relevance: 38.99 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
Download In State Plane Projection Here The 2017 Digital Terrain Model (DTM) is a 2 foot pixel resolution raster in Erdas IMG format. This was created using the ground (class = 2) lidar points...
Search relevance: 38.99 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
0.6 meter contours. This dataset contains locations and attributes of 0.6 meter (1.9685 feet) interval topography data, created using bare earth points from the lidar point cloud data.Voids exist...
Search relevance: 38.76 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:06 PM
