i^ 



BIOLOGICAL INTEGRITY OF THE YAAK RIVER AND 



THE WEST FORK YAAK RIVER 



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 



Contract Officer: Rosie Sada 

 DEQ Contract No. 200012-10 



Prepared by: 



Loren L. Bahls, Ph.D. 



Hannaea 



1032 Twelfth Avenue 



Helena, Montana 59601 



March 29, 2004 



STATE DOCUMENTS COLLECTIC.i 



1 ' "^Y 2004 



MONTANA STATE. LIBKARY 



1515 E. 6th AVE. 

 HELENA, MONTANA 59620 



Pnnlcd on Paper Made from 100% Recycled Post-Consumer Fiber 



