Comparison of load estimation techniques and trend analysis for nitrogen, phosphorus, and suspended sediment in the Eucha-Spavinaw Basin, northwestern Arkansas and northeastern Oklahoma, 2002-10 [electronic resource] / by Rachel A. Esralew ... [et al.] ; prepared in cooperation with the City of Tulsa, Oklahoma.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011.