S PenkaLt KusseLl F 

 5d7*S Assessment and 

 F2arsw rec]uirenen ts of 

 iiiy2 saucer and walleye 



populations in the 

 lower Yellowstone 

 River ana it's 



ASSESSMENT AND REQUIREMENTS OF SAUCER AND 



WALLEYE POPULATIONS IN THE LOWER YELLOWSTONE RIVER 



AND IT'S TRIBUTARIES 



by 



Russell F. Penkal 



Fisheries Biologist 



Montana Department of Fish, Wildlife and Parks 



January 1992 



STATE DOCUMENTS COLLECTION 



FEB 1 : 1992 



MONTANA STATE LISRARY 



1515 E. 6th AVE. 

 HELENA, MONTANA 59S20 



Ln/ WJ 'La, 



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