MICHIGAN (Cont. ) 



Pigeon River, Otsego and Cheboygan Counties; began August 1951, planned to 1954; 



$1,485; E. H. Bacon, Proj. Ldr. 

 Address correspondence to: Institute for Fisheries Research, Univ. Museunns 



Annex, Ann Arbor, Mich. 



17. Experimental Planting of Sub-legal Trout. 



Plantings of sub-legal brook and brown trout are being made in a section of trout 

 stream where natural reproduction is limited to determine the benefits of 

 this t^e of stocking. 



Pigeon River, Otsego County; began in 1952, planned to 1954; $594; E. L. Bacon, 



Proj. Ldr. 

 Address correspondence to: Institute for Fisheries Research, Univ. Museums 



Annex, Ann Arbor, Mich. 



18. Management of Special Trout Ponds. 



Various stocking progranns are tested by creel census and counts of residual popula- 

 tions after draining. 



Hillsdale Ponds, Hillsdale County; began in 1946, continuing; $2, 376; Walter R. 



Crowe, Proj. Ldr.; reports available. 

 Address correspondence to: Institute for Fisheries Research, Univ. Museums 



Annex, Ann Arbor, Mich. 



19. Hillsdale Ponds, Angling Experiments. 



Complete angling record is secured under a permit system enabling study of the 

 rate of removal by angling from a known fish population. 



Hillsdale County; began in 1946, continuing; $2, 376; K. G. Fukano, Proj. Ldr. ; 



published reports available. 

 Address correspondence to: Institute for Fisheries Research, Univ. Museums 



Annex, Ann Arbor, Mich. 



20. Creel Census, Rifle River Area. 



From records of all angling, angling pressure is determined and trends noted in 

 angling quality throughout Rifle River Area. 



Rifle River Area; began in 1945, continuing; $9,504; D. S. Shelter, Proj. Ldr. 

 Address correspondence to: Institute for Fisheries Research, Univ. Museums 

 Annex, Ann Arbor, Mich. 



21. Stream Bottom Fauna - Rifle River Improvement Project. 



The objective is to determine abundance and composition of bottom fauna in Hough- 

 ton Creek and other tributaries of Rifle River over a period of years by quanti- 

 tative and qualitative sampling. The importance of bottom fauna in trout pro- 

 duction is part of the study. 



Houghton Creek and other tributaries in upper end of Rifle River drainage; began 



in 1950, indefinite; $4, 669; Robert J. Ellis, Proj. Ldr. 

 Address correspondence to: Institute for Fisheries Research, Univ. Museums 



Annex, Ann Arbor, Mich. 



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