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<br />3. Magnitude and Frequency of Floods in the United States, Part n. <br />Western Gulf of Mexico Basins, USGS Water Supply Paper 16R2. <br /> <br />4. <br /> <br />Surface Water Supply of the United States, 1961-1970, Part 8, Basin <br />from the Lavaca 'River to Rio Grande, Water Supply Papers 1923 and <br />2123. <br /> <br />5. <br /> <br />Water Resource Data for Colorado, USGS, 1971-1978. <br /> <br />6. <br /> <br /> <br />United States Water <br /> <br />7. <br /> <br />U.S. Army Corps of Engineers, Hydrologic Engineering Center, HEC-2 <br />Water Surface Profile Program, version updated 1979. <br /> <br />8. <br /> <br />I-inch to 200 scale topographic maps, compiled from aerial survey <br />photographs, Landmark Mapping, Inc., Denver, Colorado, 1980. <br /> <br />Flood Hazard Boundary Map, Town of Del Norte, Colorado, May 1974. <br /> <br />9. <br /> <br />14 <br />