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<br />Apri120, 2001 <br />• ~~I ~I~~I~~I~~~~~ II~ <br />-~~ <br />PICKETT <br />ENGINEERING. INC. <br />RECEIOlEp <br />Erica Crosby <br />Division of Minerals and Geology <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />APR 2 3 2001 <br />Division of Minerals and Geology <br />RE: Technical Revision to S&H Mine 112 Application <br />Platte Sand and Gravel, LLC <br />File No. M-2000-158 <br />Response to Hydrologic Adequacy Review <br />` PEI Nor01-006' <br />.Dear Ms. Crosby: ,.. ... . <br />Enclosed is a response to the aforementioned adequacy review. The contents include a ' <br />flood mitigation plan. T'he. map is color coded on an 11" x 17" size sheet and addresses <br />the location of sensitive azeas with potential for excessive erosion during flooding et+ents.:: ',' <br />Cross-sectional views of the design of the protection bf the mitigation measures; as well <br />as an itemized cost for installation aze included. As well, a discussion of the schedule of , <br />when these improvements would be installed is provided. <br />This information has been forwarded to the Clerk to the Board of Weld County Board of <br />County Commissioners. We will forwazd to you proof of submittal within the next three <br />days. If you have any questions, please do not hesitate to call me. <br />Sincerely, <br />PICKETT ENGINEERING, INC. <br />~s A. ickett, P.E. <br />Presi ent <br />ICAP/jz <br />enclosures <br /> <br />808 8th Street - Greeley, CO 80631 <br />Phone (970)356-6362 - Fax (970)356-6486 <br />