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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.... -
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... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous United States.... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the presence or absence of sandstone and carbonate rock aquifers in the conterminous United States. The data set was used as an input data layer for a... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the percent of woody wetlands and emergent herbaceous wetlands land cover in the conterminous United States. The data set was used as an input data... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents saturation overland flow estimated by TOPMODEL, in percent of streamflow, in the conterminous United States. The data set was used as an input data... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents 1990 block group population density, in people per square kilometer, in the conterminous United States. This data set represents The data set was used... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the presence or absence of poorly sorted glacial till east of the Rocky Mountains in the conterminous United States. The data set was used as an input... -
Predicted nitrate and arsenic concentrations in basin-fill aquifers of the So...
This product "Predicted nitrate and arsenic concentrations in basin-fill aquifers of the Southwest Principal Aquifers study area" is a 1:250,000-scale vector dataset and was... -
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 amount of fresh surface water withdrawal for irrigation, in megaliters per day, in the conterminous United States. The data set was used as an input... -
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... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous United States.... -
Observed, predicted, and misclassification error data for observations in th...
This product "Observed, predicted, and misclassification error data for observations in the training dataset for nitrate and arsenic concentrations in basin-fill aquifers in the... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents soil surface slope, in percent times 1000, in the conterminous United States. The data set was used as an input data layer for a national model to... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents soil surface slope, in percent times 1000, in the conterminous United States. The data set was used as an input data layer for a national model to... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents infiltration excess overland flow estimated by TOPMODEL, in percent of streamflow, in the conterminous United States. The data set was used as an input... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the presence or absence of sandstone and carbonate rock aquifers in the conterminous United States. The data set was used as an input data layer for a... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the amount of fresh surface water withdrawal for irrigation, in megaliters per day, in the conterminous United States. The data set was used as an input... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the average annual nitrogen input from commercial fertilizer applied to agricultural lands, 1992-2001, in kilograms per hectare, in the conterminous...