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i III 1111111111111111 <br />sss <br />UNITED STATES DEPARTMENT OF TBE INTERIOR <br />BUREAU OF LAND MANAGEMENT <br />CRAIG DISTRICT OFFICE <br />455 EMERSON STREET <br />CRAIG, COLORADO 81625-1129 <br />Mr. Ed Bayer <br />NaTec Mi.aerals, Iac. <br />P.O. Drawer 72 <br />Rifle, Co. 81650 <br />Dear Mr. Baker: <br />In Reply Refer <br />3450 (162) <br />C-0118326 <br />C-0118327 <br />C-0119986 <br />C-37474 <br />Sodium <br />September 17, <br />The attached sundry has been approved. This approval is subject to the <br />terms and conditions of the sundry, and the following: <br />To: <br />1990 <br />1. The percentage recover;r of the sodium deposit on a per acre basis must <br />not exceed the percentage recovery implied i.n your original mine plan. <br />2. Within 90 days from the receipt of this Letter you must submit to this <br />office a revised mine plan which covers the change to solution cavities of <br />lengths up to 1,000 feet and the proposed spacing of wells with cavities of <br />this length. This mine plan should also include any and all changes in <br />monitoring procedures, dri.llinq techniques and mining techniques you plan <br />to use in your operation. This plan should also include all changes that <br />may be necessary in your subsidence monitoring program. <br />3. After the completion of hole 26-90-5, no further drilling will be <br />approved without an approved mine plan. <br />All mine plan revisions must be approved by this office and a thorough <br />reviex of these plans is a lengthy process. In order to avoid delays, all <br />mine plan revisions must be submitted in writing as early as possible. <br />Also approval of your mine plan by state regulatory agencies does not <br />constitute approval by the Bureau of Laad Management (BLMl, and all mining <br />operations occurring on public lands must be approved by the BLM. The <br />Meeker office is responsible for surface disturbance approvals only. The <br />Craig District Office is responsible for all other aspects of your <br />operation. In all cases, aipprovals can only be made in writing and you <br />should not consider that you have approval until you receive it in writing <br />from the authorized office. <br />Should you have any questions concerning this letter please contact Ralph <br />Costa at 303-824-8261. <br />cc: NRRA <br />/,-~~~- <br />,~~~~y ~~ <br />,~ <br /> <br />C <br />