Hurlbert, S.H. 1971. The non-concept of species diversity: a critique and 

 alternative parameters. Ecology 52:577-586. 



Hynes, H.B.N. 1970a. The ecology of running waters. U. of Toronto Press, 

 Toronto. 555 pp. 



. 1970b. The ecology of stream insects. Ann. Rev. of Ent. 15:25-42 



Ingman, G.L., L.L. Bahls, and A. A. Horpestad. 1979. Biological water quality 

 monitoring, northcentral Montana, 1977-1978. Water Quality Bureau, 

 Montana Department of Health and Environmental Sciences, Helena, 

 Montana. 64 pp. 



Jensen, S.L. 1966. The mayflies of Idaho. (Unpub.) M.S. Thesis, U. of Utah, 

 Salt Lake City. 367 pp. 



Johannsen, O.A. 1934. Aquatic Diptera part 1. Nemocera exclusive of Chiro- 

 nomidae and Ceratopogonidae. Mem. Cornell U. Ag. Exp. Sta. 164:1-71. 



. 1935. Aquatic Diptera part 2. Orthorrapha-Brachycera and Cyclor- 



rapha. Mem. Cornell U. Ag. Exp. Sta. 177:1-62. 



Kaiser, G.L., D.A. Klarich, and J.L. Thomas. 1977. Agricultural non-point 

 source water quality monitoring and sampling. Middle Yellowstone 

 Areawide Planning Organization FWPCAA Section 208 Final Report, 

 Independent Consultants, Billings, Montana. 115 pp. 



Klarich, D.A. 1976. Estimates of primary production and periphyton community 

 structure in the Yellowstone River (Laurel to Huntley, Montana) . Water 

 Quality Bureau, Montana Department of Health and Environmental 

 Sciences, Billings, Montana. 



Liknes, G.A. 1984. The present status and distribution of the westslope 

 cutthroat trout (Salmo clarki lewisi ) east and west of the Continental 

 Divide in Montana. Montana Department of Fish, Wildlife and Parks, 

 Helena, Montana. Draft. 163 pp. 



Lowe, R.L. 1974. Environmental requirements and pollution tolerance of fresh- 

 water diatoms. EPA-670/4-74-005, Environmental Monitoring Series, 

 Office of Research and Development, National Environmental Research 

 Center, Environmental Protection Agency, Washington, D.C. 333 pp. 



Montana Department of Fish and Game. 1979. Instream flow evaluation for 

 selected streams in the upper Missouri River Basin. Montana Department 

 of Fish, Wildlife and Parks, Helena, Montana. 254 pp. 



Montana Department of Fish, Wildlife and Parks. 1981. Instream flow evaluation 

 for selected waterways in western Montana. Montana Department of Fish, 

 Wildlife and Parks, Helena, Montana. 340 pp. 



Nelson, F.A. 1984. Guidelines for using the wetted perimeter (WETP) computer 

 program of the Montana Department of Fish, Wildlife and Parks. Montana 

 Department of Fish, Wildlife and Parks, Helena, Montana. 55 pp. 



-29- 



