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~r <br />~ _ _ <br />r. <br />i ~.} ~ .. <br />s~~ :~ <br />~~ <br />:. o. ao. ,.. :~ <br />eov~s+aaao <br />• <br />AMERICAN ENGINEERS, INC. <br />r++ores~w+uL OW W[~O <br />April 28, 1984 <br />Mined Land Reclamation <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />RE: Trinidad Basin Mining <br />MLR File C-048-81 <br />ATTN: Mike Savage <br />Gentlemen: <br />We hereby re-certify Sediment Pond 15-PS which was <br />inadvertantly certified with a different principal and <br />emergency spillway configuration than that which was <br />designed. <br />This structure appeared to be somewhat smaller than <br />the design, however proper cleanout and maintenance by <br />the operator it should not adversely affect the operation. <br />The location is as shown on the Sediment Control <br />Map as originally submitted. <br />Yours very tru y, <br />AME CANE IN ERS, INC. <br />inn, P.E. <br />Pre dent <br />BTQ/dn <br />