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<br />Slopes in the lower Eagle River basin vary from 40 to 65 feet per mile. Vegetation at <br />lower altitudes is dominated by desert and scrub flora, while higher altitudes are mostly <br />aspen and fir forests. <br /> <br />The upper Eagle River basin is bounded on the east-southeast by the Sawatch Range <br />and to the north by the Gore Range. The high point of the basin is Mount of the Holy <br />Cross with an elevation of 14,005 feet. Two major basins form the upper portion of the <br />watershed. the Gore Creek basin and the Eagle River basin. The Gore Creek basin is <br />16 miles long and averages seven miles in width. Slopes vary from 80 feet per mile near <br />Vail to 900 feet per mile in the upper areas of the Gore Range. The upper Eagle River <br />basin is 19 miles long and is approximately 11 miles wide. Slopes vary from 65 feet per <br />mile near Minturn to 500 feet per mile in the upper areas of the basin. <br /> <br />PRECIPITATION and RUNOFF CHARACTERISTICS <br /> <br />Precipitation data reported by the Natural Resource Conservation Service shows annual <br />precipitation of 12 inches at lower altitudes and up to 40 or more inches at higher <br />altitudes. Figure 2 shows the average annual precipitation for Eagle County for 1961~ <br />1990. <br /> <br /> <br />Typical Winter Snowpack Scene, Eagle County <br /> <br />4 <br /> <br />A <br />L -..c... R..o.....c. Con...._ C.nC.. LLC <br />-' <br />