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US State Faults
Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format. -
Digital Data File DDF Series
Digital Data File (DDF) Series -
Geology and Structure Map of North America
The Geological Society of Americas (GSA) Geologic Map of North America (Reed and others, 2005; 1:5,000,000) shows the geology of a significantly large area of the Earth,... -
Long Island Sound Surficial Sediment Data (LISSEDDATA.SHP)
Many scientific questions and policy issues related to sediments in Long Island Sound require data of historical, regional and interdisciplinary scope. Existent data is often... -
Generalized Geology of Southeast Asia (geo3bl)
This coverage includes arcs, polygons, and polygon labels that describe the generalized geologic age and type of surface outcrops of bedrock of Southeast Asia (Brunei,... -
Long Island Sound Surficial Sediment Data (LISSEDDATA)
Many scientific questions and policy issues related to sediments in Long Island Sound require data of historical, regional and interdisciplinary scope. Existent data is often... -
Data release for depth to bedrock from Connecticut Water Resources Bulletins...
This data release consists of information from published tables in Connecticut Water Resources Bulletins (WRBs) transcribed into tabular digital format. Information about wells... -
Potential Explanatory Factors for Groundwater Quality in the Northern Sierra...
This data release codifies and attributes explanatory factors that could potentially impact groundwater quality at 142 groundwater sites (wells or developed springs) used for... -
Sediment Data Produced by the Bigelow Laboratory (BIGELOW shapefile)
The data in this layer are from a number of published and unpublished sets produced by the Bigelow Laboratory. The source projects were conducted primarily to examine... -
Samples from the Georges Bank Canyons acquired in 1936 (STETSON36 shapefile)
Submarine canyons cut into the edge of the continental shelf and the continental slope along much of the U.S. Atlantic coast. Three canyons along the southern edge of Georges... -
hab118_0503b -- Habitat polygons for HMPR-118-2005-03b survey in Olympic...
Benthic habitat polygon coverages are being created for the Olympic Coast national marine sanctuary (OCNMS).ROV, towed camera sled, bathymetry data, sedimentary samples, and... -
xsecModel.m: Matlab code to simulate equilibrium river cross-section
Matlab code to simulate equilibrium geometry of selected cross-sections on the Lower American and Sacramento Rivers in California. -
Sedimentary Data Collected in August 2015 From Old Tampa Bay, Florida (U.S....
The toxic dinoflagellate Pyrodinium bahamense (P. bahamense) produces recurring, persistent summer algal blooms in Old Tampa Bay, Florida, which degrade water quality and are... -
Geospatial Data Used in the Pecos River Basin Salinity Assessment from Santa...
This part of the data release contains the geospatial data collected by the USGS during the Pecos River salinity assessment. The data includes a feature class of the study area... -
Sediments of Cape Cod Bay, Massachusetts (HOUGH42 shapefile)
Cape Cod Bay, lying on the Massachusetts coast partly enclosed by Cape Cod, is in a glaciated region of low relief. Coarse sediments generally occur in areas exposed to wave and... -
Field characteristics and photos of core materials from a monitoring well...
As part of a research study in cooperation with the U.S. Environmental Protection Agency (EPA) and the U.S. Army at Fort Irwin National Training Center, the U.S. Geological... -
Borehole Erosion Test data, Lower American and Sacramento Rivers,...
Borehole erosion tests were performed to quantify sediment erosion rates as a function of depth below grade and flow speed at locations along the Sacramento and American Rivers... -
Long Island Sound Surficial Sediment Data (LISSEDDATA)
Many scientific questions and policy issues related to sediments in Long Island Sound require data of historical, regional and interdisciplinary scope. Existent data is often... -
Potential Explanatory Factors for Groundwater Quality in the Northern Sierra...
This data release codifies and attributes explanatory factors that could potentially impact groundwater quality at 142 groundwater sites (wells or developed springs) used for... -
Lithologic Descriptions of Bottom Sediments for the New England coast and...
These data, which comprise part of the Smithsonian Institution Master Sediment data file, were abstracted by the staff of the Smithsonian Institution from materials submitted...