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<br />The ori gi na 1 map sca 1 e is 1" = 200' and the contour i nterva 1 is two <br /> <br />feet. The maps presented in this report have been reduced to 1" = <br /> <br />400' to facilitate printing. <br /> <br />The City of Montrose and the Colorado 11ater Conser-vation Board <br />Jhv.-<.' <br />also furnishedllcontour mapping of the City prepared by Merrick <br /> <br />and Company, dated November 1965. <br /> <br />A reference monument system has been established in the City of <br /> <br />Montrose to maintain consistency in surveyinq operations. Using <br /> <br />thi s system to supplement the topography ava'i 1 ab 1 e from <br /> <br />the above mappi ng, fi e 1 d surveys "ere conducted by Gi ngery <br /> <br />Associates, Inc. This additional information was used to deter- <br /> <br />mi ne flow paths of overl and fl oodi ng. <br /> <br />Related Studies <br /> <br />A review of existing information and data was completed for the <br /> <br />Montrose study area. Existing information included the following flood <br /> <br />related studies listed in chronological order: <br /> <br />1. "City of Montrose, Colorado, Drainage Study f1aster Plan and Cost <br /> <br />Estimates" revised January 4, 1966 by Merrick and Company. <br /> <br />2. "Montrose Arroyo Watershed - Colorado River Basin" by U.S. Soil <br /> <br />Conservation Service, June 1973. <br /> <br />3. "Master Plan Report" City of I~ontrose, 1978. <br /> <br />4. "Floodplain Information and U,"ban Drainage Report, Cedar Creek, <br /> <br />Montrose Arroyo, Dry Cedar Creek, Montrose, Colorado" by Hydro- <br /> <br />Triad, Ltd., April 1979 including Hydrologic and Hydraulic <br /> <br />Technical Addendums. <br /> <br />5. "Flood Hazard Information, Uncompahgre River, Montrose and Olathe, <br /> <br />Montrose County, Colorado," prepared by U. S. Army Corps of En- <br />gineers, February 1980. <br /> <br />- 7 - <br />