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<br /> <br />DEPARTMENT OF THE ARMY <br />U.S. ARMY ENGINEER DISTRICT, SACRAMENTO <br />CORPS OF ENGINEERS <br />1725 J STREET <br />SACRAMENTO, CALIFORNIA 95810.4922 <br />aEV~r TO <br />~iTEM IIOM Oi June 9, 1999 <br />Regulatory Branch (199675325) <br />NORWOOD DISTRICT <br />JUN 1 4 1999 <br />. /_ .. <br />~~ <br />f~ ., <br />uG ~~C%` <br />yla Fp .. <br />1993 <br />Mr. Robert L. Storch \/Tf-rT6x57~@jV~d <br />U.S. Forest Service I~... _ <br />Grand Mesa, Uncompahgre & Gunnison National Forest <br />2250 Highway 50 MAR 2 ~ 2~Q] <br />Delta, Colorado 81416 <br />Divis~u~a~gD <br />Dear Mr. Storch: o~o~Mine eldpyiCe <br />r~s 6 <br />G:e .-r°_ respOndl ng t0 yo'~r r°^yuect to rn.nmcnY On the wnrk Geer, <br />which has been performed in the San Miguel River in the vicinity <br />of Telluride Gravel. The work was performed pursuant to the <br />proposal indicated in your December 4, 1998 letter to Mr. Mezei. <br />The property is located at the San Miguel River within Section <br />32, Township 43 North, Range 9 West, San Miguel County, Colorado. <br />Your letter indicated that the scope of work to be performed <br />under Department of the Army permit number 199675325 would be <br />modified from a previous modification due to self-healing of the <br />river. The proposed work was substantially less intensive than <br />the previous two proposals. <br />On April 22, 1999, Mr. Nick Mezei visited the subject site, <br />and met with Messrs. Almy, Belaud, Grother, Joblonski, and <br />Cameron. The inspection included areas both on Telluride <br />Gravel's property and on public lands managed by your office. <br />The purpose of the inspection was to compare work which has been <br />performed, and the condition of the river, with concerns <br />expressed in the past about the degradation of the river system. <br />There has not been any work performed or. the South Fork. <br />The S~uCii Fork a~,peared to be in the process of self-stab~iizing, <br />based on evidence of new vegetative growth and sloping of the <br />channel banks. The river downcutting has not been reversed. The <br />overbank vegetation die-off appears to have stabilized and it is <br />not clear that such die-off was caused by the river downcutting. <br />The San Miguel River upstream from the confluence with the <br />South Fork was modified for about 500 feet. The modifications <br />consisted of high flow channel creation and bank stabilization on <br />the right bank. The high flow channel creation was carried to <br />the confluence and it mimics the braided channel condition <br />typical of many confluence areas. The left bank has not been <br />altered and the potential exists for channel migration toward <br />this area. There is evidence that this area has historically <br />