FIGURES 

 No, Page 



1 Map of Yellowstone Lake showing boat docks and prominent fishing 



2 Biweekly means of effort and catch-per-unit-effort plotted 

 against the mid-point of each period 5 rowboat fishery. Fishing 

 Bridge dock, 1950 and 1951 ...0.0, 8 



3 Total hours of fishing effort of biweekly periods plotted against 

 the raid-point of each periodj rowboat fishery. Fishing Bridge 



dock, 1950 and 1951 o . . . . 8 



h Total catch of biweekly periods plotted against the mid-point of 



each period; rowboat fishery, Fishing Bridge dock, 1950 and 1951 • 10 



5 Total catch of guideboats. Fishing Bridge dock, 1950 and 1951. 

 Catch of biweekly periods plotted against the mid-point of each 

 period ...... 10 



6 Biweekly means of effort and catch-per-unit-effort plotted 

 against the mid-point of each periodj rowboat fishery, West 



Thumb dock, 1950 and 1951 l5 



7 Total hours of fishing effort of biweekly periods plotted against 

 the mid-point of each period, rowboat fishery. West Thumb dock, 



1950 and 1951 15 



8 Total catch of biweekly periods plotted against the mid-point of 



each period, rowboat fishery. West Thumb dock, 1950 and 1951 . . . l5 



9 Rate df, catch-per-unit-effort at Fishing Bridge plotted against 



time periods, 1951 20 



10 Rate of catch-per-unit-effort and total catch by two-^ireek periods 



for Yellowstone Lake shoreline fishery, 1950 and 1951 20 



11 , Complete census worksheet with marginal summaries 36 



12 Fishing situation in L. during the census hour .......... 39 



13 Fishing situation in which each fisherman fishes the same 



expected time UO 



lU Modification of Figure 13, with lines replaced by dots and the 



driving path replaced by a strip IlO 



