597.55 

 Nllagsa 



1990 





SELECT ASPECTS OF THE LIFE HISTORY AND ECOLOGY OF 



THE 



MONTANA ARCTIC GRAYLING 



(Thymallus arcticus m on t anus ) [MILNER] 



IN 

 THE UPPER BIG HOLE RIVER DRAINAGE, MONTANA 



JUNE 15 TO AUGUST 31, 1990 



Final Report • November 1990 



by 

 Jon M. Streu 



ST4TF MClimmS COLLECTION 



»S93 



MONTANA STATE LIBRARY 

 ur, A 515 G - 6 th AVE. 

 HELENA, MONTANA 59C20 



Montana Natural Heritage Program 

 1515 East Sixth Avenue 

 Helena, Montana 59620 



for the 



U.S. Forest Service - Beaverhead National Forest 



Bureau of Land Management - Butte District Office 



Montana Department of Fish, Wildlife and Parks 



Montana Cooperative Fishery Research Unit 



W 1 



- 



s^s^ ^, 



November 7, 1990 



hem 



