32 datasets found for ""County Boundaries""
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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
County-level maps of cropland surface water inundation measured from Landsat and MODIS
Department of the Interior —
This dataset represents a summary of potential cropland inundation for the state of California applying high-frequency surface water map composites derived from two... -
Federal
Estimates of agricultural-chemical use 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-chemical use in counties in the conterminous United States as reported in the 1987 Census of Agriculture (U.S.... -
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 nitrogen-fertilizer sales for the conterminous United States in 1989
Department of the Interior —
This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1989 as reported by the U.S. Environmental Protection Agency... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- County boundaries for states represented in the study area
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
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 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
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 nitrogen-fertilizer sales for the conterminous United States in 1987
Department of the Interior —
This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1987 as reported by the U.S. Environmental Protection Agency... -
Federal
Estimates of agricultural expenses 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 expenses in counties in the conterminous United States as reported in the 1987 Census of Agriculture (U.S. Department... -
Federal
Estimates of nitrogen-fertilizer sales for the conterminous United States in 1986
Department of the Interior —
This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1986 as reported by the U.S. Environmental Protection Agency...
32 datasets found for ""County Boundaries""