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Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous...
This tabular data set represents basin characteristics for the year 2002 compiled for every MRB_E2RF1 catchment of selected Major River Basins (MRBs, Crawford and others, 2006).... -
Data for Assessing the Lead Solubility Potential of Untreated Groundwater of ...
Groundwater chemistry data used for assessing the lead (Pb) solubility potential of untreated groundwater of the United States were compiled from the USGS National Water... -
Third-party performance assessment data encompassing the time period of analy...
This data set includes sample information and results for third-party performance assessment samples analyzed for hormones and pharmaceuticals during the same general time... -
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstrea...
This tabular data set represents mean saturation overland flow as a percent of streamflow compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for... -
Nutrient generation at dairies and feedlots in the United States Pacific Nort...
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of nitrogen and phosphorus generated by cattle at dairies and feedlots in the... -
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstrea...
This tabular data set represents population density, persons per square kilometer from 1990 Census block level data, processed by James Falcone (USGS, 2016), compiled for two... -
Laboratory Quality-Control Data Associated with Groundwater Samples Collected...
This data set includes results for hormone and pharmaceutical compounds analyzed from 2012 through 2016 in laboratory quality-control samples that are associated with... -
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous...
This tabular data set represents the area of surficial geology types in square meters compiled for every MRB_E2RF1 catchment of selected Major River Basins (MRBs, Crawford and... -
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstrea...
This tabular data set represents the STATSGO Soil texture Attributes compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous... -
Data for Groundwater-Quality and Select Quality-Control Data for the Colorado...
Groundwater samples were collected from 60 public supply wells in the Colorado Plateaus principal aquifer. Water quality evaluations of groundwater for drinking water at public... -
Data for Radium Mobility and the Age of Groundwater in Public-drinking-water ...
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H,... -
Data used to model and map manganese in the Northern Atlantic Coastal Plain a...
Data used to model and map manganese concentrations in groundwater in the Northern Atlantic Coastal Plain (NACP) aquifer system, eastern USA, are documented in this data... -
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstr...
This tabular data set represents the 30 year average (1961-1990) number of days of measurable precipitation per month, compiled for two spatial components of the NHDPlus version... -
Data Release for Hydrocarbons in Upland Groundwater, Marcellus Shale Region, ...
Water samples from 50 domestic wells located <1 kilometer (km) (proximal) and >1 km (distal) from shale-gas wells in upland areas of the Marcellus Shale region were... -
Data Release for Dissolved Gas, Environmental Tracer Concentrations, and Lump...
This data release documents nine Microsoft Excel tables that contain data for understanding groundwater ages in the Glacial aquifer system. Results for the four sample networks... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the area of National Resources Inventory surface drainage, field ditch conservation practice, in square kilometers, in the conterminous United States.... -
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United S...
This data set represents the area of surficial geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source data set is... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the amount of clay sediment in the soil, in percent times 1000, in the conterminous United States. The data set was used as an input data layer for a... -
National Land Cover Database 2001 (NLCD01) Tree Canopy Layer Tile 2, Northeas...
This 30-meter resolution data set represents the tree canopy layer for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to... -
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous...
This tabular data set represents the estimated amount of phosphorus and nitrogen fertilizers applied to selected crops for the year 2002, compiled for every MRB_E2RF1 catchment...