@misc{indiciae5637d73423ea, title = {Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Nutrient Inputs from Fertilizer and Manure, Nitrogen and Phosphorus (N\&P), 2002}, author = {Michael Wieczorek and Andrew E. LaMotte}, year = {2010}, doi = {10.3133/dds49017}, url = {https://pubs.usgs.gov/publication/dds49017}, note = {Source identifier: dds49017} }