TY - RPRT TI - Estimated Nutrient Concentrations and Continuous Water-Quality Monitoring in the Eucha-Spavinaw Basin, Northwestern Arkansas and Northeastern Oklahoma, 2004-2007 AU - Victoria G. Christensen AU - Rachel A. Esralew AU - Monica L. Allen PY - 2008 DO - 10.3133/sir20085218 UR - https://pubs.usgs.gov/publication/sir20085218 ID - sir20085218 ER -