MONTANA STATE LIBRARY 



3 0864 1001 6071 5 



SUPPORT OF AQUATIC LIFE USES 



IN MCDONALD CREEK AND THE TETON RIVER 



BASED ON PERIPHYTON COMPOSITION 



AND COMMUNITY STRUCTURE 



Prepared for: 



State of Montana 

 Department of Environmental Quality 

 P.O. Box 2 09 01 

 Helena, Montana 59620-0901 

 Project Officer: Carol Endicott 



Prepared by: 



Loren L. Bahls, Ph.D. 

 Hannaea 

 103 2 Twelfth Avenue 

 Helena, Montana 59601 



February 199 9 



STATE DOCUMENTS COLLECTION 



OCT 1 5 2002 



MONTANA STATE LIBRARY 

 1516 E. 6th AVE. 

 ELENA/MONTANA 59620 



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