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Concentration of nitrate and other water-quality constituents in groundwater...
Nitrate contamination of groundwater is widespread and persistent in the shallow surficial aquifer of northwestern Whatcom County where dairy farming and forage production is a... -
Soil physical, chemical, and biological data from edge-of-field agricultural...
Soil data were collected from catchments of USGS edge-of-field (EOF) monitoring sites in Great Lakes Restoration Initiative (GLRI) priority watersheds. As part of this release,... -
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake Bay watershed... -
County-based estimates of nitrogen and phosphorus content of animal manure...
This data set contains county estimates of nitrogen and phosphorus content of animal wastes produced annually for the years 1982, 1987, and 1992. The estimates are based on... -
County-based estimates of nitrogen and phosphorus content of animal manure...
This data set contains county estimates of nitrogen and phosphorus content of animal wastes produced annually for the years 1982, 1987, and 1992. The estimates are based on... -
Concentration of nitrate and other water-quality constituents in groundwater...
Nitrate contamination of groundwater is widespread and persistent in the shallow surficial aquifer of northwestern Whatcom County where dairy farming and forage production is a... -
Soil physical, chemical, and biological data from edge-of-field agricultural...
Soil data were collected from catchments of USGS edge-of-field (EOF) monitoring sites in Great Lakes Restoration Initiative (GLRI) priority watersheds. As part of this release,... -
National 1-kilometer rasters of selected Census of Agriculture statistics...
This dataset consists of a series of rasters covering the conterminous United States. Each raster is a one kilometer (km) grid for 18 selected Census of Agriculture statistics... -
Concentration of nitrate and other water-quality constituents in groundwater...
Nitrate contamination of groundwater is widespread and persistent in the shallow surficial aquifer of northwestern Whatcom County where dairy farming and forage production is a... -
Fish Kill Database
Fish kills have become a focus of public attention as more interest is placed on the quality and condition of Iowa's streams and rivers. The Integrated Report, which combines...