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<br />1.3 Coordination <br /> <br />On July 22, 1985, FEMA approved the preparation of a Flood Insur- <br />ance Study for the Town of Mancos using data generated for the <br />Flood Plain Information report for the Mancos River and Chicken <br />Creek (Reference 1). <br /> <br />The final community coordination meeting was held on October 8, <br />1985, and was attended by representatives of FEMA and the community. <br />All significant problems raised at that meeting have been resolved <br />in this study. <br /> <br />2.0 AREA STUDIED <br /> <br />2.1 Scope of Study <br /> <br />This Flood Insurance Study covers the incorporated areas of the <br />Town of Mancos, Montezuma County, Colorado. The area of study is <br />shown on the Vicinity Map (Figure 1). <br /> <br />Two flooding sources, the Mancos River and Chicken Creek, were <br />studied by detailed methods. The Mancos River was studied for 1.7 <br />miles upstream fram approximately 0.5 mile downstream of Spruce <br />Street. Chicken Creek was studied from U.S. Highway 160 to approx- <br />imately 1.5 miles upstream. The portions of these reaches that <br />lie within the corporate limits of Mancos are included in this <br />study. <br /> <br />The areas studied by detailed methods were selected based on the <br />extent and validity of available hydrologic and hydraulic data. <br /> <br />2.2 Community Description <br /> <br />The Town of Mancos is located in northeastern Montezuma County, in <br />southwestern Colorado. Mancos lies along U.S. Highway 160, approx- <br />imately 30 miles west of Durango and 15 miles east of Cortez. <br /> <br />According to the U.S. Bureau of the Census, the population of Mancos <br />increased from 709 in 1970 to 870 in 1980 (Reference 2). <br /> <br />The Town of Mancos lies in the Mancos Valley, with sedimentary <br />buttes and mesas to the south and the foothills of the San Juan <br />Mountains to the north and east. <br /> <br />The normal annual precipitation in the Mancos area is approximately <br />16 inches. From July to OctOber, approximately 40 percent of the <br />normal annual precipitation occurs as rain, generally from thunder- <br />storms. From December to April, the remaining 60 percent of the <br />normal annual precipitation occurs as snow. Winters are long and <br /> <br />2 <br />