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999 <br /> Banks and Gesso, LLC 720 Kipling St.,Suite117 <br /> ' ■■ Lakewood, Colorado 80215 <br /> (303) 274-4277 <br /> Fax(303) 274-8329 <br /> www.banksandgesso.com <br /> December 19,1999 <br /> Mr. Hal Simpson, P.E. <br /> State Engineer <br /> 1313 Sherman St. <br /> Denver, CO 80203 <br /> ' RE: Substitute Supply Plan, Ft. Lupton Sand and Gravel Mine, owned and operated <br /> by L.G. Everist, Inc. <br /> ' Dear Mr. Simpson: <br /> L.G. Everist, Inc. submits this substitute supply plan for the Ft. Lupton Sand and Gravel Mine, <br /> ' located in the S 1/2 of the N W IA of Section 30, in T2N, R66W, Weld County, Colorado <br /> (Exhibit B). The following plan is based on the General Guidelines issued by your office in <br /> 1996. <br /> PROJECT DESCRIPTION <br /> ' 1. L.G. Everist, Inc. proposes to establish a sand and gravel mining and processing operation as <br /> shown on the enclosed location map (Exhibit B, MLRB 112 Permit Application). <br /> ' 2. The property comprises 85.0 acres total. The completed operation will result in one <br /> isolated reservoir of approximately 82.9 surface acres, consisting of two ponds <br /> separated by the Lupton Bottom Ditch. The proposed reservoir will be constructed <br /> with a slurry wall within the first two years of the operation. Exhibit C. Pre-Mining <br /> and Mining Plan Map, and Exhibit D, Mining Plan, were prepared for the MLRB 112 <br /> Permit Application and are enclosed, which describe the mining operation in detail. <br /> A Glover analysis was performed to determine the lagged mining depletions and <br /> replacement . <br /> ' 3. A statutory fee of$ 1343.00 is enclosed for a new substitute supply plan request. <br /> DEPLETIONS <br /> ' 4. The depletions from mining of the Ft. Lupton Sand and Gravel Mine will result from <br /> ' evaporation and water lost in the product and dust suppression. The gross <br /> evaporation of 45.0 in/y was determined from the NOAA Technical Report NWS 33, <br /> Map #3. The calculation was based on the SEO draft criteria dated 1996. <br /> 1 I <br /> 1 <br />