MONTANA ^Cont. ) 



Flathead County; began July 1951, expected closing date of July 1953. 



Address correspondence to: Frank A. Stefanich, Project Leader, Kalispell, Mont. 



8. Establishing Measures of Abundance of Cutthroat Trout in Ashley Lake (FA: F-7-R). 



At one time the cutthroat trout was abundant in Ashley Lake, but in recent years 

 the number of cutthroat has dwindled to a dangerous low. Trout in Ashley Lake 

 are a source of spawn for hatchery use, and traps are operated on four tribu- 

 taries. The purpose of this project is to determine the relative efficiency of creel 

 census and counts at the spawning weirs as measures of the size of the cutthroat 

 population. 



Flathead County; began May 1951, indefinite. 



Address correspondence to: Frank A. Stefanich, Project Leader, Kalispell, Mont. 



9. N?tural Reproduction of Kokanee in Flathead Lake and Tributaries (FA: F-7-R). 



The water level of Flathead Lake is lowered considerably in the winter months by 

 withdrawal of water for a hydro-electric plant. The spawning beds of kokanee 

 are exposed during these periods. The purpose of this study is to establish the 

 extent of kokanee spawning in Flathead Lake and its tributaries together with the 

 degree of successful spawning. 



Flathead Lake, Lake County; began October 1951, planned for approximately 2y2 



years. 

 Address correspondence to: Frank A. Stefanich, Project Leader, Kalispell, Mont. 



10. The Effects of Logging on Pinkham Creek's Fish Population (FA: F-7-R). 



Pinkham Creek, containing a population of eastern brook and rainbow trout, drains 

 an area or virgin timber in northwestern Montana. Logging operations began 

 in 1952 by controlled cutting under the supervision of the U. S. Forest Service. 

 Annual observations of the stream's fish population are made by the use of an 

 electric shocker. These observations will be continued over a period of years, 

 as the logging operations progress, so that any changes in the fish population 

 may be noted. 



Pinkham Creek, Lincoln County; began August 1951, indefinite. 



Address correspondence to: Frank A. Stefanich, Project Leader, Kalispell, Mont. 



11. Relationship of Trout and Yellow Perch in Middle Thompson Lake (FA: F-7-R). 



Many trout lakes in the western half of Montana have had yellow perch introduced 

 with the usual result of a high population of stunted perch and a seenningly de- 

 creased trout population. This project is designed to determine the most eco- 

 nomical and effective methods of restoring either or both perch and/or trout 

 fishing to this type of lake. 



Thompson Lakes, Lincoln County; began June 1952, expected to close April 1954. 

 Address correspondence to: Frank A. Stefanich, Project Leader, Kalispell, Mont. 



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