TIMING, LOCATION AND POPULATION CHARACTERISTICS 



OF SPAWNING MONTANA ARCTIC GRAYLING 



( THYMALLUS ARCTICUS MONTANUS [MILNER]) 



IN THE BIG HOLE RIVER DRAINAGE, 1989 



STATE DOCUMENTS COLLECTION 



December 1990 



n iff \f by 



OCT .; 1991 ■ 



MONTANA STATE L(8RARV 



1515 E. 6th AVE. 

 HELENA, MOM TANA 59620 





Bradley B. Shepard and Richard A. Oswald 



Montana Department of Fish, Wildlife and Parks 



1400 South 19th Street 



Bozeman, Montana 59715 



Funding Provided by: 



Montana Department of Fish, Wildlife and Parks 



Montana Natural Heritage Program - Nature Conservancy 



U.S. Forest Service, Northern Region 



