s 



597.55 



M26TLP 



1989 



3 0864 0014 4490 3 



TIMING. LOCATION AND POPULATION CHARACTERISTICS 

 O"^ SPAWNING MONTANA ARCTIC GRAYLING 

 ( THYMALLUS ARCTICUS MONTANUS [MILNER] ) 

 IN THE BIG HOLE RIVER DRAINAGE, 1988 



March 29, 1989 



by 

 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 

 . Forest _Serv i.ce ....^QcAlaeisrw^efl ion 



STATE DOCUMENTS COLLECTION 



MAR 1 2 1990 



MONTANA STATE LIBRARY 



1515 E. 6th AVE. 

 HELENA. MONTANA 59620 



