A guide to aquatic insects and crustaceans / the Izaak Walton League of America ; [text by Kami Watson-Ferguson ; editors, Cindy Han, Jason McGarvey, Leah Miller].
Water quality monitoring -- Using this guide -- Key to aquatic macroinvertebrate groups -- Aquatic macroinvertebrates -- Insects -- Crustaceans -- Snails -- Clams and mussels -- Leeches -- Aquatic worms -- Planarians or flatworms -- Appendix A: Izaak Walton League volunteer stream monitoring protocol -- Appendix B: Save Our Streams stream quality survey -- Appendix C: Safety and fun in your watershed.