GRAYLING SPAWNING REPORT 



Table 2. Electrof ishing sampling datas, locations, and approx- 

 imate length of sample sections for eit-ctrof ishing sampling of 

 the 1998 spawning Arctic grayling population in the Big Hole 

 River. "NOSN" indicates no other fish species netted curing that 

 sampl ing = 



Date 



Location 



Section 

 length (mi 



Comments 



4-06-83 Big Hole R. - rial ion's 

 scales to Stanchf ield ' s 



1.8 



No grayling 

 NOSN 



4-12-88 Big Hole R. - Seymcur Ck 

 to Dickie Bridge 



5.8 



No grayling 

 Massive ice flows 

 NOSN 



4-12-88 Big Hole R. - Pool at 

 Sportman's Park 





Gne grayling 

 Massive ice flows 

 NOSN 



4-13-88 Fishtrap Ck . - Above 

 Highway 43 



1.0 



No grayling 

 Lots of ice 



4-14-88 N Fk Big Hole R. - below 0.1 

 Else ' s Ranch 



No grayling 



4-20-88 Big Hole R. - above 5.0 

 Highway 43 bridge by Wisdom 



o« grayling 



4-21-88 Big Hole R. - Squaw Ck 

 to Fishtrap access 



S.l 



3 grayling 

 NOSN 



4-21-88 Sandhollow Ck - below 

 N Fk Big Hole Rd 



O. 



No grayling 



4-21-88 Big Hole R. - 40 Bar 



Ranch to Fred Hirschy's 



4.3 



No grayling 

 1 rainbow 



4-22-88 Swamp Ck . - N Fk Big 

 Hole Rd to mouth 



4-22-88 Big Hole R. - Swamp Ck 

 to Sandhollow Ck 



4— 2d— 88 Seymour Ck . — above and 

 below Highway 43 bridge 



2.0 



5 grayling 

 1 grayling 

 No grayling 



4-26-88 Fishtrap Ck . - side 



channel at Access site 



0. 1 



No grayling 

 19 rainbow 



Page - 9 



