98 datasets found for ""Contour Lines""
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Federal
Annual California Sea Otter Census: 2019 Census Summary Shapefile
Department of the Interior —
The GIS shapefile Census_sum_2019 provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra... -
Federal
San Francisco Bay-Delta bathymetric/topographic digital elevation model(DEM)
Department of the Interior —
A high-resolution (10-meter per pixel) digital elevation model (DEM) was created for the Sacramento-San Joaquin Delta using both bathymetry and topography data. This... -
Federal
Annual California Sea Otter Census—1985-2014 Spring Census Summary
Department of the Interior —
This dataset represents an archived record of annual California sea otter surveys from 1985-2014. Survey procedures involve counting animals during the "spring... -
Federal
Knox Group: geospatial geologic structural datasets in Tennessee
Department of the Interior —
The Knox Dolomite is currently recognized as the Knox Group. The Mascot Dolomite, the upper unit of the Knox Group, is dolomite and dolomitic limestone of Lower-... -
Federal
Mean high water (MHW) shorelines along the coast of California used to calculated shoreline change from 1998 to 2016
Department of the Interior —
This dataset contains mean high water (MHW) shorelines for sandy beaches along the coast of California for the years 1998/2002, 2015, and 2016. The MHW elevation in... -
Federal
Preliminary digital data for a 3-layer geologic model of the conterminous United States using land surface, top of bedrock, and top of basement (ver. 1.1, April 2025)
Department of the Interior —
This digital dataset compiles a 3-layer geologic model of the conterminous United States by mapping the altitude of three surfaces: land surface, top of bedrock, and... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Contours of the top of the glauconite marker unit
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
Estimated Thickness of the Lower Miocene 2 Sequence, Gulf Coast
Department of the Interior —
The thickness contours were created using biostratigraphic data in the Paleo-Data, Inc., Tenroc Regional Geologic Database. The depths of the microfossil locations... -
Federal
Digital database of structure contour and isopach maps of multiple subsurface units, Michigan and Illinois Basins, USA
Department of the Interior —
This digital data release presents contour data from multiple subsurface geologic horizons as presented in previously published summaries of the regional subsurface... -
Federal
Aquifer framework datasets used to represent the Arbuckle-Simpson aquifer, Oklahoma
Department of the Interior —
The Arbuckle-Simpson aquifer covers an area of about 800 square miles in the Arbuckle Mountains and Arbuckle Plains of South-Central Oklahoma. The aquifer is in the... -
Federal
Mahogany Ledge Digital Structure Contour Lines of the Piceance Basin, Colorado
Department of the Interior —
The Mahogany ledge structure contour lines were needed to perform overburden calculations in the Piceance Basin, Colorado as part of a 2009 National Oil Shale... -
Federal
Geospatial geologic structural datasets, Chattanooga Shale, Wells Creek Dolomite, and Knox Group, Tennessee, USA
Department of the Interior —
Data about the top and bottom altitude, depth from land surface and/or the thickness of three geologic units in Tennessee were converted into geospatial format for... -
Federal
Historic Depth-to-Water, San Joaquin Valley, California, 1910
Department of the Interior —
Mendenhall and others (1916) published depth-to-water data compiled in 1910 for all known wells in the San Joaquin Valley, California. Data for the 3,429 wells having... -
Federal
Missouri Breaks Project, Montana - Digitized aeromagnetic data
Department of the Interior —
From February 12 to March 8, 1981, EG and G Geometrics conducted an aeromagnetic survey in Montana for Anaconda Copper Company. A Piper Navajo aircraft was used to... -
Federal
Digital Data from Previously Published Contour Data Showing the Altitude of the Base of Dakota Sandstone on the Colorado Plateau, Arizona, Colorado, New Mexico, and Utah
Department of the Interior —
This geologic map database compiles, in digital form, geologic data previously published as printed maps showing the altitude of the base of Dakota Sandstone and... -
Federal
Digital subsurface database of elevation point data and structure contour maps of multiple subsurface units, Powder River Basin, Wyoming and Montana, USA
Department of the Interior —
This digital data release presents subsurface data from multiple geologic units that were part of a previous study of the regional subsurface structural configuration... -
Federal
Elevation contour lines for Lake McConaughy, Nebraska
Department of the Interior —
The U.S. Geological Survey, in cooperation with The Central Nebraska Public Power and Irrigation District (CNPPD), conducted a study that used bathymetric and... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Estimated altitude of the 10,000 mg/l total dissolved solids boundary
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
2011 Totten Reservoir Bathymetric Contours
Department of the Interior —
The U.S. Geological Survey performed a bathymetric survey of Totten Reservoir using a man-operated boat-mounted multibeam echo sounder integrated with a global... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Contours for the top of the OCAPLPZ
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of...
98 datasets found for ""Contour Lines""