1. Water quality of selected effluent-dependent stream reaches in southern Arizona as indicated by concentrations of periphytic chlorophyll a and aquatic-invertebrate communities Author/Creator: Gebler, J. B. (Joseph B.), author Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
2. Water-quality assessment of the Central Arizona Basins, Arizona and northern Mexico--environmental setting and overview of water quality Author/Creator: Cordy, Gail E., author Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading