@misc{indiciae3f13f96415e2, title = {Attributes for MRB\_E2RF1 Catchments by Major River Basins in the Conterminous United States: Level 3 Nutrient Ecoregions, 2002}, author = {Michael Wieczorek and Andrew E. LaMotte}, year = {2010}, doi = {10.3133/dds49113}, url = {https://pubs.usgs.gov/publication/dds49113}, note = {Source identifier: dds49113} }