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Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
Geochemical data including mercury for subsamples of deep cores from the Cache Creek Settling Basin, Yolo County, California
Department of the Interior —
Sediment cores were collected in the Cache Creek Settling Basin (CCSB), Yolo County, California, during October 2011 at 10 locations (borehole sites) and during... -
Federal
Watershed Boundary Dataset; 12-Digit Watersheds Dissolved to 8-Digit Watersheds
Department of the Interior —
This dataset is the digital hydrologic unit boundary layer for the 8-digit subwatershed boundaries for the conterminous United States. This dataset is intended to be... -
Federal
Drainage Basins used for Development of the Watershed Regressions for Pesticides (WARP) Model, 2012
Department of the Interior —
This data set contains 204 drainage basin boundaries for U.S. Geological Survey (USGS) stream sites analyzed in the Watershed Regressions for Pesticides (WARP) model.... -
Federal
Polygons of global undersea features for geographic searches
Department of the Interior —
A shapefile of 311 undersea features from all major oceans and seas has been created as an aid for retrieving georeferenced information resources. Version 1.1 of the... -
Federal
Recent historical and projected (years 2006–99) areas (km2) of managed, flooded habitats used by waterbirds overwintering in Central Valley, California basins for 17 climate, urbanization, and water management scenarios.
Department of the Interior —
The dataset accompanies Figures 2–4 of Matchett and Fleskes (2018) and therein the subject data are referenced as "Table A1". Data summarize peak abundance (km2) of... -
Federal
1:24,000-scale hydrographic areas, middle Carson River basin, Nevada
Department of the Interior —
This data release consists of 1:24,000-scale polylines and polygons representing hydrographic areas for the middle Carson River basin, Nevada. -
Federal
GeoNatShapes: a natural feature reference dataset for mapping and AI training
Department of the Interior —
These data were compiled for the use of training natural feature machine learning (GeoAI) detection and delineation. The natural feature classes include the... -
Federal
USGS Georgia active streamgages with attributes and their upstream drainage basins, 2024
Department of the Interior —
In cooperation with the Georgia Department of Transportation, the U.S. Geological Survey (USGS) has prepared geospatial layers representing the locations of USGS... -
Federal
Watershed Boundaries for the U.S. Geological Survey Southeast Stream Quality Assessment
Department of the Interior —
In 2015, the second of several Regional Stream Quality Assessments (RSQA) was done in the southeastern United States. The Southeast Stream Quality Assessment (SESQA)... -
Federal
Green River Basin boundary, 1999 National Coal Resource Assessment (grbbndg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of the Green River Basin boundary. This boundary is a part of the National Coal Resource Assessment of the... -
Federal
Selected geologic data for wells and test holes in and near the Lost Creek Designated Ground Water Basin, Weld, Adams, and Arapahoe Counties, Colorado
Department of the Interior —
This point dataset contains geologic information concerning regolith thickness and top-of-bedrock altitude at selected well and test-hole locations in and near the... -
Federal
SAWSC PeakFQ input and output files for at-site flood-frequency statistics
Department of the Interior —
Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management in... -
Federal
Watershed Boundaries for the U.S. Geological Survey Midwest Stream Quality Assessment
Department of the Interior —
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a... -
Federal
Magnitude and Frequency of Floods for Rural Streams in Georgia, South Carolina, and North Carolina, 2017-Data
Department of the Interior —
Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management. Annual... -
Federal
Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This... -
Federal
National-Scale Geophysical, Geologic, and Mineral Resource Data and Grids for the United States, Canada, and Australia: Data in Support of the Tri-National Critical Minerals Mapping Initiative (ver 1.1, March 2025)
Department of the Interior —
National-scale geologic, geophysical, and mineral resource raster and vector data covering the United States, Canada, and Australia are provided in this data release.... -
Federal
Contours of regolith thickness for the Lost Creek Designated Ground Water Basin, Weld, Adams, and Arapahoe Counties, Colorado
Department of the Interior —
This dataset consists of contours showing generalized lines of equal regolith (unconsolidated sediment) thickness overlying bedrock in the Lost Creek Designated... -
Federal
SAWSC rural flood-frequency regression models (R scripts and applications) [child item]: Model Archive for Magnitude and Frequency of Floods for Rural Streams in Georgia, South Carolina, and North Carolina, 2017
Department of the Interior —
Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management in...