<br />7. U.S. Department of the Interior, Geological Survey, 7.5-Minute
<br />Series TOPoEraohic Maps, Scale 1:24,000, Contour Interval 10 feet:
<br />Bracewell, Colorado (1950), Photorevised (1969)
<br />
<br />B. U.S. Department of Commerce, National Oceanic and Atmospheric
<br />Administration, Precioitation-FreQuency Atlas of the Western United
<br />States, NOAA Atlas 2, Colorado, 1973
<br />
<br />9. U.S. Department of Agriculture, Soil Conservation Service, National
<br />EnEineerin2 Handbook, Section 4,August 1972
<br />
<br />10. U.S. Department of the Interior, Geological Survey, 7.5-Minute
<br />Series TOP02raohic Maos, Scale 1:24,000, Contour Interval 10 feet:
<br />Milliken, Colorado (1950), Photarevised (1969)
<br />
<br />11.
<br />
<br />,
<br />1:24,000, Contour
<br />Phatorevised (1971)
<br />
<br />7.5-Minute Series
<br />Interval 10 feet:
<br />
<br />ToooEraphic Maos,
<br />Eaton, Colorado
<br />
<br />Scale
<br />(1950) ,
<br />
<br />12.
<br />
<br />U.S. Department of Agriculture, Soil Conservation Service,
<br />Hazard Analyses. Coal Creek and Rock Creek, Boulder and
<br />Counties, Colorado, October 1976
<br />
<br />Flood
<br />Weld
<br />
<br />13. U.S. Department of Agriculture, Soil Conservation Service, National
<br />EnEineerin2 Handbook. Hydrology, Section 4. August 1972
<br />
<br />14. ---------------. Engineering Division. Central Technical Unit,
<br />Technical Release No. 20, Computer ProEram for Proiect Formulation,
<br />May 1965
<br />
<br />15.
<br />
<br />U.S. Department of the Army, Corps of
<br />Engineering Center, HEC-2 Water-Surface
<br />Davis, California (Revised February 1977)
<br />
<br />Engineers, Hydrologic
<br />Profiles, 723-X6-L202A,
<br />
<br />16. Nelson, Haley, Patterson & Quirk, Inc., Preliminary EnEineerinE
<br />Reoort. Draina2e Study. Firestone-Frederick Area. Weld County.
<br />Colorado, Scale 1:24,000, Contour Interval 1 foot, September 1975
<br />
<br />17. Weld County and Colorado Water Conservation Board, Aerial
<br />Photoerammetric Maps for Sheep Draw Flood Plain StudY, Scale
<br />1:2,400, Contour Interval 2 feet, prepared by M and I Consulting
<br />Engineers, Fort Collins, Colorado, December 1978
<br />
<br />l8. Water Resaurces Consultants, Inc., TOP02raphic MaDs. Coal Creek.
<br />Boulder and Weld Counties. Colorado. compiled by photogrammetric
<br />methods, Scale 1: 4 ,800, Contour Interval 2 and 4 feet: February
<br />1980
<br />
<br />19.
<br />
<br />Water Resources Consultants, Inc., Floodplain Information.
<br />Control and Floodplain Manaeement Plan for Coal Creek at
<br />Colorado, and Technical Addendum, August 1980
<br />
<br />Flood
<br />Erie.
<br />
<br />42
<br />
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