@misc{indiciae06d3017b5bf1, title = {Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Nutrient Application (Phosphorus and Nitrogen ) for Fertilizer and Manure Applied to Crops (Cropsplit), 2002}, author = {Michael Wieczorek and Andrew E. LaMotte}, year = {2010}, doi = {10.3133/dds49008}, url = {https://pubs.usgs.gov/publication/dds49008}, note = {Source identifier: dds49008} }