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13) Dam Heieht <br />The dam height as measured from the bottom of the original ground to the bottom of <br />the emergency spillway is 9.9 feet. for this reason, the dam does not meet the large <br />impoundment criteria of Rule 4.05.9(3), the State Engineer's Office or C.R.S. 37-87- <br />105. <br />The attached inspection sheet covers other items related to the ongoing performance of <br />the pond at the time of the inspection. <br />I certify that the sediment pond at the Rimrock Mine has been constructed according to <br />the plans and is functioning well and that prudent state-of--the-art engineering has been <br />employed and the dam is sound, with no current environmental threats or construction <br />& maintenance problems. <br />o9Q~~~ CE C6~~'9E` <br />~~ 20335 ~'~ <br />.~ <br />.W Z/g D~ <br />4; ;~, <br />.~~ <br />o~FSS10NA~ENG <br />