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
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
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
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
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
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
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 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
Digital database of the previously published bedrock geologic map showing thickness of overlying Quaternary deposits, Grand Island quadrangle, Nebraska and Kansas
Department of the Interior —
This digital data release contains geospatial data for the 1:250,000 scale geologic map of the Grand Island 1 degree by 2 degree quadrangle, Nebraska, originally... -
Federal
Aquifer framework datasets used to represent the Western Interior Plains aquifer system, Arkansas, Colorado, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming
Department of the Interior —
The Western Interior Plains aquifer system is located in parts of Arkansas, Colorado, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and... -
Federal
Airborne geophysical survey: Oxbow '57
Department of the Interior —
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. In the earlier days of surveying,... -
Federal
Aquifer framework datasets used to represent the Willamette Lowland basin-fill aquifers, Oregon, Washington
Department of the Interior —
The Willamette Lowland basin-fill aquifers (hereinafter referred to as the Willamette aquifer) is located in Oregon and in southern Washington. The aquifer is... -
Federal
Vector geospatial data of interpolated groundwater level altitude associated with a groundwater-level map of Fauquier County, Virginia, October - November 2018
Department of the Interior —
This dataset is the product of a geospatial interpolation using groundwater-level data obtained from a U.S. Geological Survey (USGS) synoptic survey of 129... -
Federal
Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463.
Department of the Interior —
These geospatial data sets consist of contours derived from surface grids of precipitation depths for seven frequencies at 12 durations used in a regional...
98 datasets found for ""Contour Lines""