@article{104286, recid = {104286}, title = {America's soil and water : condition and trends.}, publisher = {U.S. Dept. of Agriculture, Soil Conservation Service,}, address = {[Washington, D.C.?] :}, pages = {32 p. :}, year = {1981}, note = {Cover title.}, url = {http://library.usi.edu/record/104286}, }