TY - RPRT TI - Section 3. The SPARROW Surface Water-Quality Model—Theory, application and user documentation AU - Gregory Schwarz AU - Anne B. Hoos AU - R. B. Alexander AU - R. A. Smith PY - 2006 DO - 10.3133/tm6b3 UR - https://pubs.usgs.gov/publication/tm6B3 ID - tm6B3 ER -