Table A-27. — Numbers of yellow perch caught and CPUE (catch per unit of effort), main stem of the Yakima River, 1957-58 



Table A-28. — Numbers of prickly sculpin caught and CPUE (catch per xinit of effort), main stem 



of the Yakima River, 1957-58 



Table A- 29. — Numbers of mottled sculpin caught and CPUE (catch per unit of effort), main stem of the Yakima River, 1957-58 



30 



