1995-11-15_REVISION - M1994093 - Laserfiche WebLink

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Mr. Hal Simpson • May 19, 1995 Page 4 copy of the Glover analysis for each area is attached. The mining area lying inside the slurry wall will have no lagged affect on the river. We propose to replace depletions from the exposed residual water and the product water at the time they are incurred. We also request that Cooley be allowed to appropriate free water and pump it into the pit to offset product water. This water would be pumped out of the pit to the river during out of priority periods. We estimate that 4% of the total reserves within the slurry wall represents approximately 184 acre feet of water. We propose that once enough water is appropriated and recharged into the pit that no further replacement is needed for that portion of the depletions represented by the product water. Any evaporation will still be replaced as incurred. REPLACEMENT PLAN Cooley proposes to replace depletions using effluent from the City of Thornton and released at the metro plant. Cooley has entered into an agreement to allow Thornton to temporarily divert shares in the Burlington/Wellington Ditch and FRICO, owned by Cooley. In exchange, Thornton will provide effluent in the amounts shown on Table 2. A copy of the agreement with the City of Thornton will follow. Cooley will use any excess for higher than anticipated production at the Dahlia North Resources Pit or for its other plans, which presently contemplate the use of Thornton effluent. Cooley will provide replacement for 100% of the depletions from leased effluent. Water diverted in priority will be used only if available and approved by the State Engineer. No water rights used on the property are being proposed for this plan. Any water rights used by Cooley will come from outside sources. Enclosed with this plan is an accounting form which will be submitted to the Division Engineer. WELL PERMIT Cooley will be employing two methods of mining; slung wall and wet mining. No Page 10, EXHIBIT G- g 1