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TaAPPBB MI~I1C IIC. <br />Jniy 26, 1996 <br />Mr. John A. Itorar, Dittrid M~oager <br />Mlne Safely and 13eaith Adminiwation <br />US Depsrtmem d[abor <br />P.O. Eax 23367 <br />Denver, Colorado 80223 <br />Dear Mr. IC~tr. <br />Subject: Amasl Lopoaodment Repot, Seetioo 77316.4(a), 30 CFR <br />Coyote Dare, ID Plo. 1211-CO.09.02838-01 <br />Trapper Mier, (}aig, Colorado <br />N regeired by Sectioe 77.216~4(a). 3o CFR, the following u a report tar the aedimeat oomml woamq <br />Coyote Dam. <br />~n8 t» ~8 Period. m ehaoges was made in the geometry dthe itepomdorg strectme. AII <br />appartmaet mnctora indoding the trash rack, decant system and ema~rary spillway are in Piece. <br />operating a designed, and be}ag properly maintained <br />The impo®dnreat remsiad dry, at a top-of~ediment ekvatioo 46298, from AnRost 30. 199s throo86 <br />March s, 1996. The aessoml mow-mdt tbea caused the impoaodmmt m rise m ib 6igheat le-d a <br />thin nPaNog period. A ma~am water depth d 7.7 fed and elevation d 6303.7 was rieowded m ~ ~ . <br />April 2, 1996. These wan m appreciable cbsege is the sediment depth dapproodmafely 23 feet a <br />sediment elevation 46298 daring this period. 73 <br />The correct Korage ~ry dthe impoundment is approximaWy~aae-fxt with s fxt dwa0er <br />impounded at EG 6303. <br />The approadmrme vohmie dwsly and sediment oarrwtly impounded ~ aerslbet a~ 38 sae-lbet, <br />respectively. <br />If yw have any questions repadiog this report, please do vat hretate m call me. <br />Sinoaely, <br />o ,~.p ~~ <br />~ ~~ ~srE,P~o ~E/ <br />~~0 G. DuBois, P.E. <br />~~ ~+ Senior Project Engineer <br />°rviaa` ~+ <br />roM~~~~ <br />O:UtG W f9HA1COYOTRPT.DOC <br />oopY ty I~Ju <br />aY <br />P.O. Box 187 Craig. Colorado 81626 (303) 824-4401 <br />