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<br />The FIA prepared an FHBM for the Town of Oak Creek in December 1975 (Reference 40). <br />The FHBM was derived using approximate methods. <br /> <br />City of Steamboat Springs <br /> <br />Unpublished flood hazard studies of a proposed subdivision development along the Yampa <br />River between river miles 191.0 and 191.5 were prepared by Dismuke and Dismuke, Inc., <br />Consulting Engineers, Steamboat Springs. The principal purpose of these studies was to <br />determine levee heights required to contain the tOO-year flood. The difference between the <br />tOO-year design flood computed for the levee study and the base flood determined for this FIS <br />was less than 2 percent. The profiles and river cross sections prepared for the proposed <br />development, however, reflected a leveed condition and were not of value for the original FIS. <br /> <br />A Master Drainage Plan for Steamboat Springs (undated) was prepared by C. M. Engineering <br />Associates, San Bernardino, California. The study included 25- and loo-year flow estimates for <br />Fish and Burgess Creeks. Flow data for the drainage study were determined by the rational <br />method for areas of less than 0.1 square mile and by the SCS regional analysis method for <br />larger areas. Flow data developed for the original FIS were in agreement with those presented <br />in the drainage study for Fish Creek, but did not agree for Burgess Creek.. Flow data <br />developed for the original FIS were used because the hydrologic analyses utilized more <br />sophisticated methods, and were based on more complete basic data, and because the regional <br />analysis method used in the drainage study does not differentiate for snowmelt, runoff from <br />general rain, and runoff from cloudburst stonns. The drainage study flow data are appropriate <br />for design purposes.. <br /> <br />8.0 LOCATION OF DATA <br /> <br />Information concerning the pertinent data used in the preparation of this study can be obtained <br />by contacting FEMA, Federal Insurance and Mitigation Division, Denver Federal Center, <br />Building 710, P.O. Box 25267, Denver, Colorado 80225-0267. <br /> <br />9.0 BIBLIOGRAPHY AND REFERENCES <br /> <br />1. Federal Insurance Administration, Flood Insurance Study.. Town of Hayden.. Colorado. <br />Routt County, December 1977 <br /> <br />2. Federal Emergency Management Agency, Flood Insurance Study.. Town of Oak Creek. <br />Colorado.. Routt County, July 17, 1989 <br /> <br />3. Federal Emergency Management Agency, Flood Insurance Study.. Town of Steamboat <br />Springs. Colorado.. Routt County, December 1976, revised April 19, 1983 <br /> <br />4. Federal Emergency Management Agency, Flood Insurance Study.. Routt County.. <br />Colorado" Unincorporated Areas, September 29, 1989. <br /> <br />58 <br />