TY - RPRT TI - Concentrations, and estimated loads and yields of total nitrogen and total phosphorus at selected water-quality monitoring network stations in Kentucky, 1979-2004 AU - Angela S. Crain AU - Gary R. Martin PY - 2009 DO - 10.3133/sir20095240 UR - https://pubs.usgs.gov/publication/sir20095240 ID - sir20095240 ER -