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-3- <br />• of Walden, Colorado. The overall area is gently rolling to hilly. <br />Regional drainage is to the Canadian River to the east, through a <br />system of ephemeral and intermittent drainages. The drainages and <br />their tributaries are known locally as Sudduth, Williams, Bush .and <br />Bolton Draws. Minor flows were observed in the lower sections of <br />these drainages. Maximum difference in elevation across the project <br />is on the order of 150 feet. Maximum local relief is approximately <br />125 feet, occurring adjacent to Sudduth Draw along the northern edge <br />of the site. The Vicinity Map, presented on Fig. 1, shows the <br />proposed pond locations and drainages. Figs. Z through 15 present <br />localized embanlanent locations and site topography. <br />Vegetation in the area consists of sagebrush and native grasses. <br />• Generally, the sagebrush predominates in the upland areas and the <br /> grasses are found primarily along the low-lying drainages. <br />The following is a brief individual description of specific pond <br />sites: <br />FC~nds A Through C: The ponds are located near the head of small <br />drainages tributary to Bolton Draw. Pond A and part of Bond B will be <br />located in the NE 1/4, Sec. 2, T. 8 N., R. 78 W. The remainder of <br />Pond B and Pond C are located in the SE 1/4, Sec. 35, T. 9 N., <br />R. 78 W. Small sedimentation ponds have been constructed near the <br />proposed pond, locations. Water observed in these ponds was impounded <br />by earthen dams 3 to 5 feet in height and 100 to 250 feet in length. <br />The ground surface in the area of the proposed embankments is gently <br />sloping down to the east. The ground surface between ponds is gently <br />• rolling. A large overburden stockpile arr] mine are located to the <br />