Surface water quality database for five watersheds in the Arequipa Region of Southern Peru.
Rymes, M., R. Rasmussen, P. A. Garcia-Chevesich, K. Burgert, E. McBride, G. Martínez, K. Martínez, T. R. Tejada-Purizaca, J. Long, G. Vanzin, J. O. Sharp, and J. E. McCray