TABLES 

 No. Page 



1 Creel census schedule used during 1951 season . » . . » , . . , » U 



2 Chi-square test of 19^0 data from Fishing Bridge dock .«..<,. 6 



3 Creel census results, Fishing Bridge dock, rowboats, 19?0 and 1951 7 



U "t" test of catch-per-unit-effort and effort, rowboat fishery. 



Fishing Bridge dock, 1950 and 1951 o .. ..o ......... . 9 



5 Creel census results, Fishing Bridge dock, guideboats, 1950 and 



6 "t" test of catch-per-unit-effort and effort, guideboat fishery. 

 Fishing Bridge dock, 1950 and 1951 ... .o ......=... . 12 



7 Creel census results, West Thumb dock, rowboats, 1950 and 1951 . » 13 



8 "t" test of catch-per-unit-effort and effort, rowboat fishery, 



Vfest Thumb dock, 1950 and 1951 . . . » , . , . . . . . Ik 



9 Creel census results, West Thumb dock, guideboats, 1950 and 1951 <■ 16 



10 "t" test of catch-per-unit-effort and effort. West Thumb dock, 

 guideboats, 1950 and 1951 ......=.. ...... 17 



11 Creel census results. Fishing Bridge, 1950 and 1951 •=..... 18 



12 Results of shoreline census, 1950 and 1951 ..... ..,..• . 22 



13 Estimates of total hours and total catch, with variances and 

 standard deviations for each two-week period, 1951 ........ 23 



111 Mean number of days fishing on the lake, number of anglers in boat, 

 hours, of fishing per boat day, and catch per fisherman hourj road 

 block survey and volunteer census cards , private trailer boats , 



15 Mean values derived from volunteer creel census cards turned in 



by trailer-boat fishermen, 1951 ................. 25 



16 Estimates of total catch by private trailer-type boats' for 1950 



and 1951 ............ o ............<... . 26 



17 Results of Yellowstone River census, 1951 . c ......... . 28 



18 Estimates of total hours and total catch, with variances and 

 standard deviations for each two-week period ........... 28 



19 Summary of catch estimates of all units of Yellowstone Lake 

 fishery, 1950 and 1951 ...................... 31 



