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, FLOAT TRIP DOiIN THE GREEN RIVER FROM TEE GATES OF LODORE TO SPLIT MOUNTAIN CAMPGROUND June 26, 1~2 - 1 Mayfly and Diptera larvae collected with squarefoot bottom-sampler at Trailer- Draw and below Lower Disaster Falls. One dead carp about 12 inches long with a pronounced hump on its back was found washed up'. u,pon a brush pile about 200 yards beloy Pot Creek. It was too decomposed to preserve. June 27 I 1962 - 2 Mayfly, Coleoptera, D1ptera~ larvae collected at Pot creek Falls, Hays Falls, and at the head of HBll's He.lf Mile with a s quarefoot bottom sam,pler. June 28 J 1962 - 3 One adult stonefly collected in Hhirlpool Canyon. Mayfly, Caddis fly , Diptera larvae taken near the mouth of Jones Creek. Hhat appeared to be small reds ide shiners were taken near the mouth at the creek. They were less than 1 inch long in most cases. One Green'lUver-'Spring dace... three flannelmouth suckers, and. five cha.mel catfish were caught near the mouth of the creek. One Colorado River squaw:f'ish was taken with hook and line Just below the mouth of the creek. Preserved the stomachs of two of the flannelmouth suckers and preserved the squawt'1sh. (Jar containing squawfish was broken, 1-21-62). A carp was observed swimming up into Jones Creek from the Green River. June 29, 1962 - 4 Walked to the headwaters of Jones Creek and looked at the proposed hatchery site. Collected Cadd1sfly larvae, Diptera larvae, Na.yfly larvae, and both larvae and adult stone flies . Jones Creek 1s approxi- mately 5 miles long. Several springs combine to form a flow of about 32 second-feet. Two large carp and one sucker of unknown species were observed several mlles u,p the creek. It appeared that high water had scoured the bottom of the creek some time in the past (last January or February). June 30, 1962 - 5 Floated from Jones Hole through Island Park and Split M>untain Canyon to Spli.t MJuntain C~ound. No stops were made. Returned to Gates of Lodore. General - The river was high and turbid. One boatman who had traveled the river for the last six years said that the river was the highest he had ever seen it. I found no stonefly larvae anywhere on the Green River, but I did find a few adults. r could not take plankton samples because the silt clogged the net. Numbers opposite dates indicates label numbers of sample. =12=