Data values are in millions of acres. Cropland includes both cultivated and non-cultivated cropland. CRP is Conservation Reserve Program land.
Developed land includes urban areas and rural transportation land.
Data are not available for Alaska. NRI maps reflect national patterns rather than site- specific information. A Federal program established under the Food Security Act of 1985 to assist private landowners to convert highly erodible cropland to vegetative cover for 10 years. Noncultivated cropland includes permanent hayland and horticultural cropland. No data are collected for any year that land is in this ownership.