TY - RPRT TI - Water quality of selected effluent-dependent stream reaches in southern Arizona as indicated by concentrations of periphytic chlorophyll a and aquatic-invertebrate communities AU - Joseph B. Gebler PY - 1998 DO - 10.3133/wri984199 UR - https://pubs.usgs.gov/publication/wri984199 ID - wri984199 ER -