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OCT Z9 '97 11:SBAM DMG DURRNGO FIELD OFFICE _ P.5i10 <br />' ~ RE: MEt~'•iIS, FILE T "•-97-Od4 • page 5 <br />SCENARIO #2 ~is shows the assumed slope of the bedrock in the <br />drainage to be "45 degrees. This would place the bottom of the <br />drainage at the cliff face above the cliff base. This would produce <br />a r_atural cliff. Since the drainage above this point will be mined <br />down to bed rock, stability is insured. <br />SCENARIO #3: This shows the assumed slope of the bedrock in the <br />drainage to be '60 degrees. This :could place the bottom of the <br />drainage to the east of the cliff face. This scenario Could occur if <br />there is a cliff face in the drainage. In this case the area between <br />the cliff face and the bedrock of the drainage would be sloped 3:1. <br />This geotechnical evaluation shows that whatever the slope of <br />the drainage to the east, .the proposal of Wining to bedrock would <br />stabilize this area, irregardless of the slope angle. <br />i Additional Items: <br />Proof of individual notifications of all owners of property on <br />the permit area or within 200 feet was sent to the Denver office on <br />October 14, 1997. The change in permit area does not affect any new <br />property owners. <br />The copy of the published newspaper notice was also sent to the <br />Denver office on Octcber 14, 1997. <br />Sincerely, <br />Robert A. Larson <br />Cert.Prof.Geo1.4662 <br />PLS 31160 <br />i <br />i <br />