Waters in Eastern Montana Suspected to be Influenced by 

 Saline Seep, with Special Emphasis on Salinity Indicators 

 and Potentially Toxic Species. 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: Periphyton, Benthic Macroinvertebrates and 

 Fish. Second Edition. EPA/841-B-99-002 . U.S. EPA, Office 

 of Water, Washington, D.C. 



Karr, J.R., and D.R. Dudley. 1981. Ecological perspectives on 

 water quality goals. Environmental Management 5:55-69. 



Krammer, K., and H. Lange-Bertalot . 1986. Bacillariophyceae, 

 Part 2, Volume 1: Naviculaceae . 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. 1988. 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. 



Lange-Bertalot, Horst . 1979. Pollution tolerance of diatoms as 

 a criterion for water quality estimation. Nova Hedwigia 

 64:285-304. 



Lowe, R.L. 1974. Environmental Requirements and Pollution 

 Tolerance of Freshwater Diatoms. EPA-670/4-74-005 . 



McFarland, B.H., B.H. Hill, and W.T. Willingham. 1997. Abnormal 

 Fragilaria spp . (Bacillariophyceae) in streams impacted by 

 mine drainage. Jour, of Freshwater Ecology 12 (1) : 141-149 . 



Omernik, J.M., and A.L. Gallant. 1987. Ecoregions of the West 



Central United States (map). U. S. Environmental Protection 

 Agency, Corvallis, Oregon. 



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