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March 29, 2010 <br />3B Enterprises <br />P.O. Box 1665 <br />Craig, CO 81626 <br />Subject: WAND pit <br />2930 E. US Highway 40 <br />Craig, CO 81625 <br />Gentlemen, <br />Subsequent to an on -site inspection of the subject project on March 26, 2010 and a <br />review of the mining plan, the following recommendation is suggested regarding mining <br />adjacent to Yampa River in the 100 year flood zone, <br />1 ) No excavation will be done in an area within 50 feet of the Yampa liver <br />adjacent to the pit, excavation will be maintained no steeper than two <br />horizontal to one vortical (2: 1) with a compacted clay bean built to <br />specifications depicted in cross section exhibits. <br />If this recommendation is followed there will be no adverse affect on the pit in a 100 year <br />flood event. <br />Sm"Cerely, <br />., <br />Bob D. Baker, P.E. <br />CO Reg. No. 10755 <br />`; <br />• <br />