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Effects of the June, 1975 Mike Horse Mine Tailings 



Dam Failure on Water Quality and Aquatic Resources 



of the Upper Blackfoot River, Montana 



IT 



Montana Fish, Wildlife & Parks 



PO Box 200701 



Helena MT 59620-0701 



STATE DOCUMENTS COLLECTION 

 APR ,' 1999 



MONTANA STATE LIBRARY 



1515 E. 6th AVE. 

 HELENA, MONTANA 59620 



9 



December 15, 1997 



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