References 



APHA. 1998. Standard Methods for the Examination of Water and Wastewater. 20* Edition. American Pubhc 

 Health Association, Washington, D.C. 



Bahls, L.L. 1979. Benthic diatom diversity as a measure of water quality. Proceedings of the Montana 

 Academy of Sciences 3 8 ; 1 -6. 



Bahls, L.L. 1993. Periphvlon Bioassessment Methods for Montana Streams (revised). Montana Department of 

 Health and Envu-onmental Sciences, Helena. 



Bahls, L.L. 2003. Biological Integrity of Dog Creek and Eagle Creek Based on the Structure and Composition of 

 the Benthic Algae Community. Prepared for the Montana Department of Environmental Quality by Hannaea, 

 Helena, Montana. 



Bahls. L.L., Bob Bukantis, and Steve Tralles. 1992. Benchmark Biology of Montana Reference Streams. Montana 

 Department of Health and Environmental Sciences, Helena. 



Barbour, M.T., J. Gerritsen, B.D. Snyder, and J.B. Stribling. 1999. Rapid Bioassessment Protocols for Use 

 In Streams and Wadeable Rivers: Periphvton. Benthic Macroinvertebrates and Fish. Second Edition. 

 EPAS41-B-99-002. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 



Beaver, Janet. 1981. Apparent Ecological Characteristics of Some Common Freshwater Diatoms. 

 Ontario Ministry of The Environment, Technical Support Section, Don Mills, Ontario. 



Johansen. J.R. 1999. Diatoms of Aerial Habitats. Chapter 12 ;n Stoermer, E.F., and J.P. Smo! (eds.). The Diatoms: 

 Applications For the Environmental and Earth Sciences, Cambridge University Press, New York. 



John, D.M., B.A. Whitton, and A.J. Brook (eds.). 2002. The Freshwater Algal Flora of the British Isles: An 

 Identification Guide to Freshwater and Terrestrial Algae. Cambridge University 



Karr, J.R., and D.R. Dudley. 1981. Ecological perspectives on water quality' goals. Environmental Management 

 5:55-69. 



Krammer, Kurt. 2002. Cymbella. Volume 3 in Diatoms of Europe, Horst Lange-Bertalot, ed. A.R.G. Gantner 

 Verlag K.G., Germany. 



Krammer, K., and H. Lange-Bertalot. 1986. Bacillariophyceae, Part 2, Volume 1: N'aviculaceae. In Enl, H., J 

 Gerloff, H. Heynig, and D. Mollenhauer (eds.). Freshwater Flora of Middle Europe. Gustav Fischer Publisher, 

 New York. 



Krammer, K., and H. Lange-Bertalot. I98S. Bacillariophyceae, Part 2, Volume 2: Bacillariaceae, Epithemiaceae, 

 Surirellaceae. In Ettl, H., J. Gerloff, H. Heynig, and D. Mollenhauer (eds.), Freshwater Flora of Middle Europe. 

 Gustav Fischer Publisher, New York. 



Krammer, K., and H. Lange-Bertalot. 1991a. Bacillariophyceae, Part 2, Volume 3: Centrales, Fragilariaceae, 

 Eunotiaceae. In Ettl, H., J. Gerloff, H. Heynig, and D. Mollenhauer (eds.). Freshwater Flora of Middle Europe. 

 Gustav Fischer Publisher, Stuttgart. 



Krammer, K., and H. Lange-Bertalot. 1991b. Bacillariophyceae, Part 2, Volume 4: Achnanthaceae, Critical 



Supplement to Navicula (Lineolatae) and Gomphonema. Complete List of Literature for Volumes 1-4. In Ettl, 

 H., G. Gartner, J. Gerloff, H. Heynig, and D. Mollenhauer (eds.). Freshwater Flora of Middle Europe. Gustav 

 Fischer Publisher, Stuttgart. 



