14. Number of walleye tagged and number recaptured at the same 

 site, spring, 1976-1980 71 



15. Total number of walleye captured and number recaptured the 

 same spring downstream from Intake diversion 71 



16. Number of walleye recaptured by electrof ishing downstream from 

 Intake diversion, spring, 1976-1980 74 



17. Summary of walleye tag returns and mean distance moved (d) in 

 the Yellowstone River system, 1974-1980 77 



18. Description of probable walleye spawning sites located in the 

 Yellowstone River, 1980 78 



19. Age structure of the spawning walleye population downstream 

 from Intake diversion, spring, 1978 81 



20. Mean length and weight at annulus of walleye collected 

 downstream from Intake diversion, spring, 1978 82 



21. Depth (cm) and velocity (cm/s) criteria for sites where 

 Stizostedion sp. eggs were collected on the Intake gravel bar, 

 1977-1979 87 



22. Water temperature (°c) and discharge (ft'/s) of the Tongue 

 River during the sauger spring migration period, as determined 

 by abundance of mature male sauger 96 



23. Water temperatures (°C) and discharge (ft /s) of the Powder 

 River during the sauger spring migration period, as determined 

 by the abundance of mature male sauger 94 



24. Number of larval sauger collected and estimated rate of drift 

 in the Tongue River near its mouth, 1979 and 1980 98 



25. Number of larval sauger collected and estimated rate of drift 

 in the Powder River near its mouth, 1979 and 1980 99 



111 



