Viola, Arthur E.2015-05-092015-05-091986https://scholarworks.montana.edu/handle/1/4016enSewage disposal in rivers, lakes, etcAquatic insectsEcologyEffects of Bozeman's increased sewage treatment on water quality and aquatic insects of the East Gallatin River, MontanaThesisCopyright 1986 by Arthur E. Viola