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<br />and boundaries foe a 1200 foot reach near the Paonia upstream corporate <br />limit. Due to different techniques for computing the flood dischargesr <br />the 100-year flood elevations in this study differ from the results <br />of the previous study. This study Supersedes the previous determination. <br /> <br />A Flood Insurance Study is being prepared for the unincorporated areas <br />of Delta County, Washington (Reference 19). Results of the county study <br />will agree with the data presented in this report. <br /> <br />This study is authoritative for the purposes of the National Flood Insur- <br />ance Program; data presented herein either supersede or are compatible <br />with all previous determinations. <br /> <br />7.0 LOCATION OF DATA <br /> <br />Survey, hydrologic, hydraulic, and other pertinent data used in the <br />preparation of this study can be obtained by contacting the Natural <br />and Technological Hazards Division, Feoeral Emergency Management Agency, <br />Denver Federal Center, Building 710, Lakewood, Colorado 80225. <br /> <br />8.0 BIBLIOGRAPHY AND REFERENCES <br /> <br />1. U.S. Department of Commerce, Bureau of the Census, 1970 Census <br />of Population, Washington, D.C. <br /> <br />2. Colorado Water Conservation Board and u.s. Department of Agriculture, <br />Water and Related Land Resources - Gunniso~ River Basin, Colorado, <br />1962 <br /> <br />3. U.S. Department of the Interior, Geological Survey, Water-Supply <br />Paper No. 1683, Magnitude and Frequency of Floods in the United <br />States, Part 9 - Colorado River Basin, 1966 <br /> <br />4. U.S. Department of the Interior, Geological Survey, Water-Supply <br />Paper Nos. 1313 and 1733, Compilation of Records of Surface Waters <br />of the United States through 1950, and October 1950 to September <br />1960, Part 9, Colorado River Basin, 1954 and 1964 <br /> <br />5. U.S. Department of the Interior, Geological Survey, Stream Flow <br />Gage Records (1937-1976), Denver Federal Center, Lakewood, Colorado <br />(unpublished records) <br /> <br />6. U.S. Department of the Army, Corps of Engineers, Sacramento District, <br />Internal Office Memorandum, Gunnison and Uncompahgre Rivers, Delta <br />and Montrose Counties, Colorado, Flood Hazard Information, Hydrology, <br />April 1979 <br /> <br />7. U.S. Water Resources Council, "Guidelines for Determining Flood <br />Flow Frequency," Bulletin No. 17, March 1976 <br /> <br />17 <br />