TY  - RPRT
TI  - Attributes for NHDPlus Catchments (Version 1.1): Level 3 Nutrient Ecoregions, 2002
AU  - Michael Wieczorek
AU  - Andrew E. LaMotte
PY  - 2010
DO  - 10.3133/dds49013
UR  - https://pubs.usgs.gov/publication/dds49013
ID  - dds49013
ER  -