<br />9. U.S. Department of the Interior, Geological Survey, water-Supply
<br />Paper 1680, Magnitude and Frequency of Floods in the United States-
<br />-Part 6B. Lower Mississippi River Basin, 1964
<br />
<br />10. U.S. Department of the Interior, Geological Survey, Water-Supply
<br />Paper 1850-B, Floods of June 1965 in the South Platte River Basin,
<br />Colorado, 1965
<br />
<br />11.
<br />
<br />U.S. Department of the Interior, Ocological Survey, Water Resources
<br />Data for Colorado, part I, Surface Water Records, prepared in
<br />cooperation with the State of Colorado and other agencies
<br />
<br />.
<br />
<br />.
<br />
<br />12.
<br />
<br />U.S. Department of the Interior, Geological Survey, Flood prone
<br />Area Map, Scale 1:24,000, Contour Interval 10 feet: ~o~smont,
<br />Colorado (1970)
<br />
<br />13. U.S. Water Resources Council, "A Uniform Technique for Determining
<br />Flood Flow Frequencies," Bulletin 15, December 1967
<br />
<br />14. U.S. Department of the Army, Corps of Engineers, Hydrologic Engi-
<br />neering Center, HEC-l Flood Hydrograph Package, 723-010, Davis,
<br />California, 1973
<br />
<br />15. Bruns, Inc., Major Storm Drainage, 1973, Longmont, Colorado, 1973
<br />
<br />16. U.S. Department of the Army, Corps of Engineers, Omaha District,
<br />"Correspondence regarding Spr ing Gulch, addressed to W.B. Spr ings-
<br />ton, Civil Engineer, Region VII, U.S. Department of Housing and
<br />Urban Development," R.G. Burnett, Chief, Engineering Division,
<br />June 2, 1971
<br />
<br />17. Urban Drainage and Flood Control District, Rainfall/Runoff Informa-
<br />tion--Magni tude/Frequency , Design Rainfall, Small Urban Basin~,
<br />May 1972
<br />
<br />18. U.S. Department of the Interior, Geological Survey, Manual for
<br />Estimating Flood Characteristics of Natural Flow Streams in Colo-
<br />rado, Jerald F, McCain and Robert D. Jarrett, 1975
<br />
<br />19. U.S. Department of AgriCUlture, Soil Conservation Service, Proce-
<br />dures for Determining Peak Flows in Colorado, December 1972
<br />
<br />.
<br />
<br />20.
<br />
<br />U.S. Department of the Army, Corps of Engineers, Hydrologic Engi-
<br />neering Center, HEC-2 Water-Surface profiles, Generalized Computer
<br />Program, Davis, California, 1973
<br />
<br />21. U.S. Department of the Interior, Geological Survey, 7.5-Minute
<br />Series Topographic Maps, Scale 1:6,000 (enlarged from 1:24,000),
<br />Contour Interval 10 feet: Longmont, Colorado (1968), Photorevised
<br />(1971)
<br />
<br />25
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