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MONTANA STATE LIBRARY 



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3 0864 1001 6094 7 



USE SUPPORT IN BIG SPRING CREEK 



BASED ON PERIPHYTON COMPOSITION 



AND COMMUNITY STRUCTURE 



Prepared for: 

 State of Montana 

 Department of Environmental Quality 

 P.O. Box 2 00901 

 Helena, Montana 59620-0901 

 Project Officer: Carol Endicott 



DOCUMENTS COLLECTIOl 



Prepared by: 



Loren L. Bahls, Ph.D. 

 Hannaea 

 1032 Twelfth Avenue 

 Helena, Montana 59601 



STATE LIBRARY 

 E. 6th AVE. 

 NTANA 59520 



March 1999 



