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The lower section, where water runs more frequentl;;,is heavily lined <br />with small wi_lew tees, providing shade and much organic material daring <br />• lea.`,-fall. <br />Stream flows 1n Stevens Gulch are erratic and intermittent. Heavy rains <br />or snoxmelt in the basin above results in large volumes of highly turbid <br />water flowing down to the mouth, however most of the steam for most of the <br />yean is dry. (See section on Hydrology) <br />IDaring winter and early spring Stevens Gulch Creek was drastically <br />a~rfected by declining flows in its lower section. The upper sections remained <br />dr}• except for a few spots, as in the earlier fall-winter period. <br />The lower 500 feet, which had water in it daring the first quarter, was <br />freeuently iced over in spots during the second quarter, and from Few-uary on <br />mcst of the stations •aere completely d~y. During sunarer a_nd earl}- fall of <br />1°77 there was often only a tickle of water in the lower creek. Nuch of <br />• this appeared to come i~-om seepage from Feldrans Ditch about 500 feet up- <br />stream. <br />Of the lo}.er part of the stream, which flowed ~•imarily during fall, winter and <br />oa~tof spring, t!p •,~r~er 375 feet lies in a stream bed 8- 10 feet aide with <br />steep sides generally 2-5 feet :'sigh, w'aier depths were generally less than <br />2 inches and f low~over small rock (3-4 inches) aad muddy- bottom, with many <br />leaves in the fall. At a noire 120 feet above the mouth the stream ovens to <br />z marshy arez and one larger pool occ;x-s at t?:is juncture. During the first <br />Z/3 of the st•.:dy the poo'_ was in the order of 12 b;,* 6 ft. with a maximum <br />depth of about 1° inches and contained much algal grow~h, (A few high runoff <br />periods since then '.:a•re silted in this nool.) <br />lust dow-strea:. of the pool is a small, marshy delta with maa}• sroaL <br />• <br />emersent pants. Another shall strez.*~ joins at this mint and is fed by a <br />3-3 <br />