01801oam 2200481 a 450 991069723950332120080930162655.0(CKB)5470000002386528(OCoLC)65284986(EXLCZ)99547000000238652820060329d2006 ua 0engurmn||||m||||txtrdacontentcrdamediacrrdacarrierCounty-level estimates of nutrient inputs to the land surface of the conterminous United States, 1982-2001[electronic resource] /by Barbara C. Ruddy, David L. Lorenz, and David K. MuellerReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2006.v, 17 pages digital, PDF fIleScientific investigations report ;2006-5012"National Water-Quality Assessment Program."Title from PDF title screen (viewed on Mar. 28, 2006).Includes bibliographical references (pages 16-17).Plant nutrientsUnited StatesFertilizersUnited StatesManuresUnited StatesAtmospheric depositionUnited StatesPlant nutrientsFertilizersManuresAtmospheric depositionRuddy Barbara C1383938Lorenz D. L1383883Mueller David K1394533National Water-Quality Assessment Program (U.S.)Geological Survey (U.S.)GISGISGPOBOOK9910697239503321County-level estimates of nutrient inputs to the land surface of the conterminous United States, 1982-20013488026UNINA