Montana Siaie Ubrarv 



'illllllllllllllillilni '- 



3 0864 1003 0528 6 



BIOLOGICAL INTEGRITY OF STREAMS IN THE 



BLACKFOOT RIVER TMDL PLANNING AREA 



BASED ON THE STRUCTURE AND COMPOSITION OF 



THE BENTHIC ALGAE COMMUNITY 



Prepared for: 



State of Montana 



Department of Environmental Quality 



P.O. Box 200901 



Helena, Montana 59620-0901 



Project Officer: Andrew Welch 

 DEQ Contract No. 200012-10 



Prepared by: 



Loren L. Bahls, Ph.D. 



Hannaea 



1032 Twelfth Avenue 



Helena, Montana 59601 



May 19, 2004 



SWTT mmms collktic 



^^G 2 3 2004 



MONTANA STATE LfBR,--. 



Printed on Paper Made from J 00% Recycled Post-Consumer Fiber 



