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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA recent views
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
Polygons of global undersea features for geographic searches recent views
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
Watershed Boundary Dataset; 12-Digit Watersheds Dissolved to 8-Digit Watersheds recent views
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
SAWSC PeakFQ input and output files for at-site flood-frequency statistics recent views
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
Selected aquifer-test and specific-capacity data for wells in the Lost Creek Designated Ground Water Basin, Weld, Adams, and Arapahoe Counties, Colorado recent views
Department of the Interior —
This point dataset contains estimates of aquifer transmissivity and hydraulic conductivity at selected well locations in the Lost Creek Designated Ground Water Basin,... -
Federal
Drainage Basins used for Development of the Watershed Regressions for Pesticides (WARP) Model, 2012 recent views
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
Enhanced Terrain Imagery of the Wilmington 30 x 60 Minute Quadrangle from Lidar-Derived Elevation Models at 3-Meter Resolution recent views
Department of the Interior —
This imagery dataset consists of 3-meter resolution, lidar-derived imagery of the Wilmington 30 x 60 minute quadrangle in parts of Pennsylvania, Maryland, Delaware,... -
Federal
Data for the 2009 report Hydrologic Setting and Conceptual Hydrologic Model of the Walker River Basin, West-Central Nevada recent views
Department of the Interior —
This U.S. Geological Survey data release contains data for Smith and Mason Valleys, California and Nevada, from the 2009 publication: Lopes, T.J.,and Allander, K.K.,... -
Federal
1:24,000-scale hydrographic areas, middle Carson River basin, Nevada recent views
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
Green River Basin boundary, 1999 National Coal Resource Assessment (grbbndg.shp) recent views
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
Preliminary detrital zircon data for Upper Cretaceous to Paleocene strata of the Crazy Mountains Basin, Montana recent views
Department of the Interior —
This document includes sandstone provenance data for Upper Cretaceous to Paleocene strata preserved in the Crazy Mountains Basin of western Montana, USA. The dataset... -
Federal
Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp) recent views
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 Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection recent views
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
Watershed Boundaries for the U.S. Geological Survey Midwest Stream Quality Assessment recent views
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
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 recent views
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
Streamflow and Water-Quality Data for Selected Streams in the Daniel Boone National Forest, Eastern Kentucky, 2015-17 recent views
Department of the Interior —
During 2015-17, the U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Agriculture Forest Service (USDA FS), carried out a study to... -
Federal
Geochemical, mineralogical, and grain-size data for deep cores from the Cache Creek Settling Basin and streambed sediments from the Sacramento River watershed recent views
Department of the Interior —
The Cache Creek Settling Basin (CCSB) is a 13.3 km2 levee-bounded sediment retention basin located at the modern terminus of Cache Creek near the eastern boundary of... -
Federal
Watershed Boundaries for the U.S. Geological Survey Regional Stream Quality Assessment recent views
Department of the Interior —
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA)... -
Federal
Region Layers for USGS South Carolina Bohman Method Hydrograph in StreamStats recent views
Department of the Interior —
In cooperation with the South Carolina Department of Transportation (SCDOT), the U.S. Geological Survey prepared geospatial layers illustrating the boundaries of the... -
Federal
Tables and associated data for effects of impoundments on selected flood-frequency and daily mean streamflow characteristics in Georgia, South Carolina, and North Carolina recent views
Department of the Interior —
The U.S. Geological Survey (USGS) has a long history of working cooperatively with the South Carolina Department of Transportation to develop methods for estimating...