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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 Version 2.1 Flowlines for the Conterminous United...
This metadata record describes 24 tabular data sets that estimate the percent of agricultural land that may be subject to select conservation practices for each year during the... -
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 Version 2.1 Flowlines for the Conterminous United...
This metadata record describes 24 tabular data sets that estimate the percent of agricultural land that may be subject to select conservation practices for each year during the... -
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.... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in...
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the conterminous United... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in...
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the conterminous United... -
Percent of Agriculture Land Subject to Select National Resource Inventory...
This metadata record describes 26 30-meter raster data sets that estimate the percent of agricultural land that may be subject to select conservation practices for each year... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in...
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the conterminous United... -
Attributes for NHDPlus Version 2.1 Flowlines for the Conterminous United...
This metadata record describes 24 tabular data sets that estimate the percent of agricultural land that may be subject to select conservation practices for each year during the... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in...
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the conterminous United... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in...
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the conterminous United...