O'Neil, P. E., & Shepard, T. E. (2000). Water-quality assessment of the Lower Cahaba River Watershed, Alabama. Geological Survey of Alabama, Environmental Geology Division.
Chicago Style (17th ed.) CitationO'Neil, Patrick E., and Thomas E. Shepard. Water-quality Assessment of the Lower Cahaba River Watershed, Alabama. Tuscaloosa, Ala. (P.O. Box 869999, Tuscaloosa, Alabama 35486-6999): Geological Survey of Alabama, Environmental Geology Division, 2000.
MLA (9th ed.) CitationO'Neil, Patrick E., and Thomas E. Shepard. Water-quality Assessment of the Lower Cahaba River Watershed, Alabama. Geological Survey of Alabama, Environmental Geology Division, 2000.
Warning: These citations may not always be 100% accurate.