MICHIGAN (Cont. ) 



Statewide; began 1953, continuing; $5,693; C. M. Taube, Leader; reports 

 available. 



Address inquiries to: As in No. 3 above. 



6. Lake Mapping in Winter 



The project provides maps of inland lakes showing shape, size, depths, 

 and bottom soil types. Maps are prepared for use in the management program 

 and for distribution. 



Statewide; began 1939, continuing; $21,255; C. M. Taube, Leader; reports 

 available. 



Address inquiries to: As in No. 3 above. 



7. Age and Growth of Michigan Game Fishes 



The objective is to deternnine the statewide average growth and sex ratio 

 of each species for comparisons between waters, and to connpare growth in 

 individual waters with statewide averages. Growth in individual waters will 

 be assessed as an evaluation of nnanagement practices. 



Statewide; began 1932, indefinite; $8,350; William C. Latta, Leader; 

 reports available. 



Address inquiries to: As in No. 3 above. 



8. Age and Growth Studies, Hxint Creek 



Growth analysis is made of brook trout in angler's catch fronn various ex- 

 perimental waters and of residual population. 



Hunt Creek Trout Experiment Station; began 1950, continuing; $6,832; 

 David S. Shetter, Leader; reports available. 



Address inquiries to: As in No. 3 above. 



9. Age and Growth, Northern Pike 



By using pike of known age and wild specimens, valid methods of age 

 determinations are developed. Statewide age and growth averages are compiled 

 for comparative purposes. 



Statewide; began 1950, to close 1957; $759; John E. Williams, Leader; re- 

 ports available. 



Address inquiries to: As in No. 3 above. 



10. Trout Migration Studies, Hunt Creek 



The extent of movement into or out of experimental sections of Hunt Creek 

 is determined by operation of weirs and maintenance of marking records. 



Montmorency Coxinty; began 1949, continuing; $8, 350; David S. Shetter, 

 Leader; reports available. 



Address inquiries to: As in No. 3 above. 



11. Walleye Sport Fishery, Muskegon River System 



This study of the walleye fishery on the Muskegon River system is concerned 

 with the effectiveness of power danns as barriers, effect of turbines on walleyes 

 passing through them, fate of immature walleyes in Hardy Reservoir, possibility 

 of using an electric screen for walleyes, and nnagnitude and exploitation of 

 spawning run. Most of these data are secured from tagging studies. 



Lower Muskegon River; began 1947, continuing; $380; Walter R. Crowe, 

 Leader; reports available. 



Address inquiries to: As in No. 3 above. 



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