ILLINOIS (Cont. ) 



9. Creel Census of Crab Orchard Lake, Horseshoe Lake, and Lake Murphysboro 



The project consists of a creel census of boat fishermen to assist fisher- 

 men in locating the lakes in which fish are biting, to determine changes in har- 

 vest from year to year, and to indicate managennent needs. 



Illinois Department of Conservation cooperating; southern Illinois; began 

 May 1951, continuing; $1400. 



Address inquiries to: As in No. 1 above. 



10. Localized Fertilization on New Thonnpson's Lake 



This project involves fertilization of a small lake to increase growth of 

 fish without producing nuisance conditions on the swimming beach. 



New Thompson's Lake Fishing Club and Illinois Department of Conserva- 

 tion cooperating; southern Illinois; began Jxine 1956, to close October 1957; 

 $600; Vernon W. Cole, Leader. 



Address inquiries to: As in No. 1 above. 



11. Treatment of Acid Ponds in the Pyatt Strip Mine Area 



Acid ponds are treated with hydrated lime or other chemicals to produce 

 fish habitat and to find the method of managing such ponds for best results. 



Sport Fishing Institute, Southern Illinois Coal Strippers Association and 

 Illinois Department of Conservation cooperating; southern Illinois; began June 

 1956; indefinite; $750; Vernon W. Cole, Leader. 



Address inquiries to: As in No. 1 above. 



Forest Preserve District of Cook County 



1. Management and Development of Fishing Waters in the Cook County Forest 

 Preserve 



The Forest Preserve District carries out fish surveys, aquatic weed 

 control, and other fish management activities. It prepares engineering 

 plans and makes improvements on existing waters as well as constructs new 

 ones. 



Illinois Department of Conservation cooperating; Cook County; continuing; 

 $38,500; David H. Thompson, Leader; reports available. 



Address inquiries to: Roland F. Eisenbeis, Superintendent of Construc- 

 tion, Forest Preserve District of Cook County, 536 North Harlem Avenue, 

 River Forest, Illinois. 



INDIANA 

 Division of Fish and Game 



A Chemical, Physical, and Biological Survey of the Muscatatuck River 



Data are being collected in the following phases of the project: composi- 

 tion and relative abundance of the fish population; migration of stream fishes; 

 abundance and distribution of forage fishes; age and growth studies; physio- 

 graphy and land use; pollution and its effects; and fishing pressure on streams 

 of this system. Fish populations at 100 sites within the watershed have been 

 sampled by use of DC electro-fishing gear. Eight to ten more sites will 

 complete this phase of the project. 



Indiana Board of Health cooperating; southeastern Indiana; to close June 

 1957; H. E. McReynolds, Leader. 



Address inquiries to: Indiana Fisheries Research Laboratory, Versailles, 

 Indiana. 



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