Little River is home to 47 kinds of fish including the threatened "Blue Shiner" Cyprinella caerulea. These fish depend on the good water quality at Little River. This skit allows learners to observe pollution's effects on a small scale and allows them to make choices affecting the environment. This lesson plan is adapted from Chilton-Stringham, Patricia and Wolanin, Jan (1991). National Science Teachers Association, Karen K. Lind (Eds.) Water, Stones, and Fossil Bones (pp. 54-57). This lesson plan is made possible through the ALEX and the U.S. National Park Service Partnership.