NEBRASKA (Cont. ) 

 U. S. Fish and Wildlife Service, Branch of Game-fish and Hatcheries 



1. Experimental Use of Toxaphene in Hardwaters 



The objective is to determine minimunn dosage of toxaphene necessary to 

 kill carp and bullheads in hardwater lakes of the Great Plains area. Four 

 dosage levels were used in six experimental lakes and ponds. 



Nebraska Game, Forestation and Parks Commission cooperating; Val- 

 entine National Wildlife Refuge; began September 1956, to close June 1957; 

 R400; Robert W. Sharp, Leader; reports available. 



Address inquiries to: U. S. Fish and Wildlife Service, 1006 West Lake 

 Street, Minneapolis 8, Minnesota. 



NEVADA 

 Fish and Game Commission 



1. Pyramid, Walker, and Tahoe Lakes Project 



The objective is to determine if the fishing in Pyramid Lake can be re- 

 stored by developing natural propagation in the lower Truckee River. If 

 this is not possible then it will point out the success of artificially stocking 

 the lake with various sized trout. 



Walker lake is already responding to a stocking program. Information is 

 being gathered to determine if a fish of a smaller size than has been stocked 

 previously can be utilized successfully. 



At lakes Tahoe and Topaz, basic environmental investigations and studies 

 to determine the effect of fingerling and reared trout plantings on the fishery 

 of the two lakes are under way. 



Began July 1954, to close June 1957; $26,000; V. K. Johnson, R. C. Corlett, 

 and R. C. Allan, Leaders. 



Address inquiries to: Nevada Fish and Game Commission, Box 678, Reno, 

 Nevada. 



2. Lahontan Project 



The objectives are to obtain a comprehensive picture of the environmental 

 factors which exist in Lahontan and Ryepatch Reservoirs, Stillwater Marsh, 

 Indian Lakes, and Washoe Lakes, and to determine what can be done to improve 

 these factors to improve the sport fishery on these bodies of water. 



Indian Lakes, Stillwater, Washoe Lake, Lahontan and Ryepatch Reservoirs; 

 began July 1954, to close June 1957; $15,000; R. C. Sumner, Leader. 



Address inquiries to: R. C. Sumner, 385 West Richards Street, Fallon, 

 Nevada. 



3. Stream and Lake Survey 



This project provides a complete physical inventory of all streams and 

 small lakes in the State to determine the conditions of each stream and lake 

 in regard to fish life with recommendations for improvements and future 

 stocking policies. 



Statewide; began November 1951, to close July 1958; $20,000; T. C. Frantz 

 and D. B. Thurston, Leader. 



Address inquiries to: T. C. Frantz, 820 Evans Avenue, Reno, Nevada, 

 or D. B. Thurston, 1117 Sewell Drive, Elko, Nevada. 



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