TY - RPRT TI - Nutrient Concentrations, Loads, and Yields in the Eucha-Spavinaw Basin, Arkansas and Oklahoma, 2002-2004 AU - Robert L. Tortorelli PY - 2006 DO - 10.3133/sir20065250 UR - https://pubs.usgs.gov/publication/sir20065250 ID - sir20065250 ER -