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y <br />Kent Gorham <br />March 17, 2000 <br />Page 2 <br />The last adequacy comment concerns the sediment yield calculations for the proposed contour <br />furrows. EFMC uses a 50 percent cover which is the anticipated cover for the area. The <br />cover factor (.07), is based on the 50 percent cover. The practice factor (.80) is the surface <br />roughness, which in this case assumes that the surface will be left in a rough condition. <br />This amended minor revision package includes (3) three copies of the following: <br />Summary of Revisions and Additions <br />Revised Permit Texd Maps <br />Please contact me at your convenience if you have any questions or require additional <br />information. <br />Sincerely, <br />Energy Fuels Iviining Company <br />Allen S. Weaver <br />Mine Engineer <br />enc. <br />cc: G.V. Patterson (EFMC) <br />