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<br /> <br />I1~C~ <br />~l,,~ <br />United States Department of the Interior 1'14R /2 9 D <br />CoIO~Oi '- 2000 <br />U. S. GEOLOGICAL SURVEY OW~t"rcOn <br />Water Resources Division 'Serv~tio,., e. <br />Colorado District o~rd <br />Box 25046 M.S.415 <br />Denver Federal Center <br />Denver, Colorado 80225 <br /> <br />IN REPLY REFER TO: <br /> <br />March 27, 2006 <br /> <br />Tom Browning, Chief, Flood Protection <br />Colorado Water Conservation Board <br />1313 Sherman St., Rm 721 <br />Denver, CO 80203 <br /> <br />The U.S. Geological Survey (USGS), in cooperation with the Federal Emergency Management <br />Agency (FEMA), have undertaken a floodplain study for the lower Willow Creek watershed just <br />east of South Fork, Colorado, which was partially burned in the Million Fire in 2002. Because <br />fire can change the hydrologic characteristics of watersheds, potentially expanding floodplain <br />boundaries, a flood insurance study was requested by FEMA along Willow Creek to compute <br />the long-term, post-fire hydrology and identify the location of the long-term, post-fire floodplain <br />boundaries in the area of the Willow Park Subdivision. <br /> <br />We are requesting that you review the attached Willow Creek draft hydrology report as a part of <br />the technical-review process for the flood study. We are also requesting that any comments on <br />the draft report be returned to USGS within 15 days, if possible. If you have any questions <br />please call Mike Stevens, USGS, at 303-236-4882 x318. <br /> <br />Sincerely, /~ <br />.1t~?/! ~ <br /> <br />Mike Stevens, Hydrologist <br />U.S. Geological Surv.ey <br />P.O. Box 25046, MS 415 <br />Lakewood, CO 80225 <br />303-236-4882 x318 <br />Email: mrsteven@usgs.gov <br />