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Stipulation 20 A discharge permit for water pumped from the dewatering wells <br />must be in place, and a minor revision to the permit submitted and <br />approved by the Division to update section 2.03.10 of Volume 1 of <br />the Permit Application Package, before any pumping from wells <br />associated with the Collom Pit is allowed to occur. <br /> <br />Section IV Permit Variances <br /> <br />Rule 2.06.2 Experimental Practices Mining: The Colowyo Mine originally constructed <br />the Streeter Fill as an experimental practice under Rule 2.06.2. With the approval of <br />Technical Revision 10, approved on August 28, 1986, the division changed the status of <br />the fill from experimental and determined that the fill meet all of the requirements of <br />Rule 4.09. Detailed information regarding the Streeter Fill can be found in Permit <br />Sections 2.06.2 and 4.09 and in Exhibit 12. <br /> <br />Rule 2.06.3 Mountaintop Removal Mining: The Colowyo Mine does not conduct <br />mountaintop removal operations. <br /> <br />Rule 2.06.5 - Permits Incorporating Variances from Approximate Original Contour <br />Restoration Requirements for Steep Slope Mining: The Division has granted Colowyo a <br />variance from approximate original contour for portions of the South Taylor Pit. A large <br />portion of the South Taylor Pit has slopes in excess of 20 degrees. Pursuant to Rule <br />2.06.5 (2), the Division has made the appropriate written findings regarding this variance. <br />The most recent findings were written for Permit Renewal 07 and are dated August 14, <br />2018. Additionally, pursuant to Rule 2.06.5(3)(c), the Division is required to <br />the progress and development of the mining activities and to establish that the permittee <br />is proceeding (n)ot later than the middle <br /> At the present time Colowyo is mining within the South Taylor Pit <br />and no reclamation has been performed in this area. Colowyo is placing excess material <br />into the previously mined area of the South Taylor Pit as described in the approved plan. <br />The Division will continue to monitor the activities in the South Taylor Pit and, pursuant <br />to Rule 2.06.5(3)(b). <br /> <br />Rule 2.06.7 Variances for Delay in Contemporaneous Reclamation Requirements in <br />Combined Surface and Underground Mining Operations: Colowyo does not have any <br />combined surface and underground mining operations <br /> <br />Section V Decision to Require Revisions or Additional Information <br /> <br />Pursuant to 2.08.3, the Division finds that the permit application C-1981-019 contains <br />deficiencies or items which need addressed following the review for the purpose of <br />fulfilling the requirements of the Colorado Surface Coal Mining Reclamation Act, and <br />the Regulations of the Colorado Mined Land Reclamation Board for Coal Mining. The <br />Division <br />comments by submission of revised permit pages under an appropriate revision <br />application, or by activities on the ground, by July 3, 2020. <br />Colowyo Mine Midterm Review No. 8 <br />Permit No. C-1981-019 May 5, 2020 <br /> 10 <br /> <br />