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White~iver Nahcolite ~erals <br />February 26, 1997 <br /> <br />J <br />Mr. Gregg R. Squire, 12eclamation Specialist <br />Division of Minerals and Geology f EB 2 S 1991 <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 ~ ~ =~ ~~; <br />RE: WRNM Nahcolit.e Project <br />Permit No. M-8?~-194; Technical Revision Request Number 10 <br />Dear Mr. Squire: <br />71Z-O(O <br />White River Nahcolite Minerals (WRN) hereby submits a Technical Revision to <br />Permit No. M-83-194. The purpose of this Technical Revision is to add a <br />recovery well for cavity #l3 and a core hole to the planned disturbance for 1997. <br />Specifically, the following approval items are requested: <br />1. Approval of the partial relocation of production well 3A-4H. Per TR-007 <br />WRN obtained approval to have an injection well located south of the present <br />cavity #3 and mine the extension of cavity #3. As a result of consultation with <br />the BLM, and desire tee avoid a deep gulch, the location for production well 3A- <br />4H was moved to the northeast. The horizontal hole will be directionally drilled <br />north of the sodium lease boundary, for mining cavity #3. As a net result, 0.5 <br />acres should be deleted from planned disturbed area. Attached is a 8 1/2" X <br />14" map which illustrates in green the area for deletion and the area permitted for <br />injection well 3A-3H, ;;how in blue. Also, on the well pad for 3A-4H will be two <br />aquifer monitoring wells, per BLM requirements. The monitoring wells will be <br />completed as B-Groove; and Dissolution Surface wells. Completion and data <br />collection of water level and quality will be similar to other WRN aquifer <br />monitoring wells, and provide data up-dip of operations. <br />2. Approval to add new disturbed area for recovery well 3A-SV, plus additional <br />area for injection well 3A-4H and access route. This area of 3.1 acres is shown <br />in orange on attached rnap. As a result of TR-007 an area of 0.1 acres was <br />permitted for an access. road through the area for well 3A-SV. Therefore the <br />additional acreage is 3.1 less prior approved 0.1 acres, or net addition to <br />White River IJahcolite Minerals. Limited Llablllty Company <br />P. O. Drawer 72, 32X1 Co. Rd. 31, Rifle, CO 61650 (tel) 303-876-3674 (fax) 303-876-5666 <br />