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<br />DEPARTMENT OF NATURAL RESOURCES <br />David H. Getches. Executive Director <br />MINED LAND RECLAMATION DIVISION <br />DAVID C. SHELTON, Director <br />Richard D. Lamm <br />Governor <br />March 1, 1984 <br />T0: Sandy Emrich <br />FROM: Anne Baldrige Q~'/~ <br />RE: Adequacy Review - Energy Mine No. 3 <br />At your request, I have reviewed the sediment control and haul roads portions <br />of the permit application for Energy Mine No. 3, submitted January, 1984. <br />Following are my comments. <br />Permanent Ponds - Rules 2.04.7, 2.05.3(4), 2.05.6(3) and 4.05.9 <br />Colorado Yampa Coal Company is proposing two permanent excavated ponds as <br />livestock watering ponds. The ponds are the Energy Mine No. 3 detention basin <br />and the Middle Creek Mine detention basin, presently being used in sediment <br />control. I have the following comments on these proposed permanent ponds. <br />1. The two proposed permanent ponds are located approximately 1/4 mile <br />apart. According to SCS Public Standard 378, "livestock water within a <br />pasture bounded by fences or a natural livestock barrier generally should not <br />be closer together than a travel distance of three-eighths to three-fourths <br />mile in foothills or rolling land." During dry seasons, when it is proposed <br />to use these ponds, Middle Creek will not be flowing and, therefore, will not <br />present a natural barrier. Additionally, in Section 2.05.5, it is stated that <br />"CYCC will avoid fencing wherever possible." Before the Division will allow <br />two permanent ponds so close together, CYCC must address the pasture <br />management in view of the above concerns. <br />2. Before a reasonable assessment of the effects of the permanent ponds can <br />be made, the Division needs maps at a sufficient scale detailing construction <br />of these ponds. The maps should include inside contours of the pond, bottom <br />elevation of the pond, ditch inflow points, spillway and embankment details, <br />and pond location with respect to Middle Creek. <br />3. The fact that these ponds are proposed permanent ponds should be <br />discussed in the permit application Itself, and not just in Exhibit 3. <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (30'1) 866-3567 <br />~~~ I~~I~~~~~II~~I~~ <br />