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4 <br />' c.. ~ • <br />~E <br />AMERICAN ENGINEERS, INC. <br />~. <br />P. O. SOi lh `-~' P11pP39ilONK [N0INQIRiO <br />- OUIBWW, R[MILCKI 431 ii - <br />003A01 7330 ' <br />April 28, 1984 <br />Mined Land Reclamation <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Coloraod 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-P12 which was <br />inadvertantly certified with a different principal and <br />emergency spillway configuration than that which was designed. <br />This structure appeared to be somewhat smaller than <br />the design, however with proper cleanout and maintenance <br />by the operator it should not adversely affect the operation. <br />The location is as shown on the revised Sediment <br />Control Map previously submitted. <br />very truly, <br />INC. <br />T: C~d(inn, P,E. <br />ident <br />BTQ/dn <br />