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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Table 1. Purpose, Dates And Launch Sites Of The Eight Sample Trips Through <br />Cataract Canyon, 1987. <br /> <br />TRIP PRIMARY PURPOSE <br />1 HB/SSa <br />2 CS+HB/SSb <br />3 CS+HB/SS <br />4 CS+HB/SS <br /> CS+HBjYOYc <br />5 CS+HBjYOY <br />6 HB/SS <br />7 CS+HBjYOY <br />8 CS+HBjYOY <br /> <br />DATES LAUNCH SITE <br />April 13-17 Potash <br />June 23-29 Potash <br />July 8-14 Mineral Bottom <br />July 28-August 3 Potash <br />August 17-23 Mineral Bottom <br />September 8-12 Potash <br />September 19-25 Potash <br />October 6-12 Potash <br /> <br />a HB/SS = locate concentrations of chubs above the confluence and determine if <br />reproduction is occurring. <br /> <br />b CS+HB/SS = locate spawning sites of Colorado squawfish and humpback chub by <br />electrofishing, gill netting, and larval drift nets. <br /> <br />c CS+HB/YOY = sample for YOY, juvenile and adult Colorado squawfish and <br />humpback chub from Goose Neck or Mineral Bottom to Imperial Canyon. <br /> <br />5 <br />