TY  - RPRT
TI  - Development and Application of Regression Models for Estimating Nutrient Concentrations in Streams of the Conterminous United States, 1992-2001
AU  - Norman E. Spahr
AU  - David K. Mueller
AU  - David M. Wolock
AU  - Kerie J. Hitt
AU  - JoAnn M. Gronberg
PY  - 2010
DO  - 10.3133/sir20095199
UR  - https://pubs.usgs.gov/publication/sir20095199
ID  - sir20095199
ER  -