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Federal
Table of Estimated County Population Using Public Supply Groundwater or Surface Water
Department of the Interior —
This dataset provides the estimated number of people using publicly supplied groundwater (PSg) or publicly supplied surface water (PSs) for each county in the... -
Federal
Tillage Practices in the Conterminous United States, 1989-2004--Datasets Aggregated by Watershed; tillage_lu92e
Department of the Interior —
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the... -
Federal
Public Supply Groundwater Fraction per County, 2015
Department of the Interior —
This dataset provides the calculated proportion of people using publicly supplied groundwater (PSGF) for each county in the conterminous U.S. The county boundaries... -
Federal
Tillage Practices in the Conterminous United States, 1989-2004--Datasets by Aggregated Watershed; ds573_tillage_lu01
Department of the Interior —
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the... -
Federal
Estimates of herbicide use for the 20 most-used herbicides in the conterminous United States
Department of the Interior —
This coverage contains estimates of herbicide use for the 20 most-used herbicides in the conterminous United States as reported in Gianessi and Puffer (1991).... -
Federal
Estimates of herbicide use for the eighty-first through the ninety-sixth most-used herbicides in the conterminous United States
Department of the Interior —
This coverage contains estimates of herbicide use for the eighty-first through the ninety-sixth most-used herbicides in the conterminous United States as reported in... -
Federal
Estimates of land in agricultural production in counties in the conterminous United States as reported in the 1987 Census of Agriculture
Department of the Interior —
This coverage contains estimates of land in agricultural production in counties in the conterminous United States as reported in the 1987 Census of Agriculture (U.S.... -
Federal
Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463.
Department of the Interior —
This data set consists of digital county boundaries for Oklahoma. The boundaries were derived from U.S. Geological Survey 1:100,000-scale Digital Line Graph data... -
Federal
Estimated Irrigated Agricultural Water Use In 2000
Department of the Interior —
This dataset is a 100-meter cell resolution raster dataset of estimated use of irrigated agricultural water use data for the southwestern U.S. The dataset was... -
Federal
Estimates of nitrogen-fertilizer sales for the conterminous United States in 1991
Department of the Interior —
This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1991 as reported by the U.S. Environmental Protection Agency... -
Federal
SIR2005-5073_CBRWM_LandSegments
Department of the Interior —
This data set is an ArcGIS shapefile depicting land segments in the Chesapeake Bay Watershed and adjacent states of New York, Pennsylvania, Maryland, West Virginia,... -
Federal
Estimates of nitrogen-fertilizer sales for the conterminous United States in 1985
Department of the Interior —
This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1985 as reported by the U.S. Environmental Protection Agency... -
Federal
Estimates of nitrogen-fertilizer sales for the conterminous United States in 1988
Department of the Interior —
This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1988 as reported by the U.S. Environmental Protection Agency... -
Federal
Estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture
Department of the Interior —
This coverage contains estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture (U.S.... -
Federal
Digital data sets describing county water use for 1995 in the conterminous US
Department of the Interior —
This data set describes water use in counties in the conterminous United States in 1995. This data set can be used to look at spatial patterns of water use. U.S.... -
Federal
SEAWAT, MODFLOW-2000, and SHARP models used to simulate potential water-allocation changes, Cape May County, New Jersey
Department of the Interior —
Three existing groundwater flow models, using MODFLOW-2000, SEAWAT, and SHARP model codes, were used by the U.S. Geological Survey (USGS) to determine the effects of... -
Federal
Estimates of herbicide use for the forty-first through the sixtieth most-used herbicides in the conterminous United States
Department of the Interior —
This coverage contains estimates of herbicide use for the forty-first through the sixtieth most-used herbicides in the conterminous United States as reported in... -
Federal
Estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture
Department of the Interior —
This coverage contains estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture (U.S.... -
Federal
Estimates of herbicide use for the sixty-first through the eightieth most-use herbicides in the conterminous United States
Department of the Interior —
This coverage contains estimates of herbicide use for the sixty-first through the eightieth most-used herbicides in the conterminous United States as reported in... -
Federal
Estimated Public Supply Water Use of the Southwest Principal Aquifers (SWPA) study in 2005
Department of the Interior —
This dataset is a 100-meter cell resolution raster of estimated use of public supply water for the southwestern United States. The dataset was generated from...