Version History for SIR 2008-5218 Victoria G. Christensen, Rachel A. Esralew, and Monica L. Allen Estimated Nutrient Concentrations and Continuous Water-Quality Monitoring in the Eucha-Spavinaw Basin, Northwestern Arkansas and Northeastern Oklahoma, 2004-2007 ----------------------------------------------------- First posted On-line January 29, 2009 ----------------------------------------------------- ----------------------------------------------------- Revision: February 13, 2009 p. 9 – The y-axis label was changed to Total Phosphorus Concentration, in milligram per liter and the scale range for all graphs was changed to 0 to 1.5 -----------------------------------------------------