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~ta~rk r~ ~fel~Qrc ~ <br />37 E. Colorado Avenue <br />Denver, CO 60210 ~~ ,: ~~±~~ <br />(303) 722-9067 ~^-'`"~ <br />e~"„ -. ~ <br />Environmental Services Botanical Studies Photography ~._-l ~ ' z <br />December 13, 1989 <br />Ken Marler <br />Pike National Forest <br />601 S. Weber <br />Colorado Springs, CO 80903 <br />kE: Erosion control measures on Crystal Pit, Pikes Peek <br />'I'ol L koad. <br />bear Mr. Marler: <br />On DPCember 12, 19?9, the Teller County Planning Commission <br />approved the Conditional Use Permit for the Crystal Pit with <br />the condition that soil stabilization measures be applied [o <br />slopes of 2:1 or sleeper. As indicated in the copy of the <br />letter [o the Colorado Division of Mined Land Reclamation, <br />this condition to the Teller County approval has been <br />included 1n the permit. <br />Teller County did not specify exactly what kind of measures <br />would be applied. I have recommended to the Public Works <br />Department that they use straw mulch or wood chips produced <br />on site from the existing vegetation through the use of e <br />chipper. Personally, I have never been impressed by straw <br />to control erosion on steep elopes and believe that wood <br />chips are often more effective, especially when combined <br />with leaving a rough, rilled topography along the contour. <br />Hopefully, this will satisfy your concern regarding the <br />erosion potential of the decomposed granite on the site. <br />Thank you .• <br />Respectfully, <br />Mark A. Heifner <br />cc: Mined Land Reclamation <br />City of Colorado Springs <br />Leigh Whitehead & Associates <br />