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t• Mid-Term Review Mt. Gunnison Mine No. 1 Introduction This document presents the results of the Division's mid-term review of Bear Coal Company's Bear Mine Nos. 1, 2, and 3. This mid-term review was conducted to fulfill the requirements of Rule 2.08,3, 2.06.2(9}, 2.06.3(4), 2.06.5(3), 2,06,7(5) and 3.02.2(4}. Rule 2.08.3 requires that the Division conduct a review of each permit issued, prior to its mid-term. Based on this review, for good cause shown, the Division may require reasonable revision or modification of the permit provisions to ensure compliance with the Act and Regulations. Rules 2.06.2, .3, .5 and .7 require that experimental practices, mountaintop removal variances, variances from AOC, and variances from contemporaneous reclamation be reviewed by the Division where applicable, Bear Coal Company has been granted variances from AOC for the Mine No. 2 and Mine No. 3 portal areas. Otherwise, the Bear permit does not have any operations which fall under these categories. Rule 3.02,2(4) requires that the Division review the amount of the bond and the terms of acceptance of the bond every 2 1/2 years. The mid-term review consisted of a detailed review of the Bear findings document and permit application to identify any items that may have been overlooked during the initial review. The Division also reviewed all subsequent revisions and stipulation responses to ensure that all permit commitments and conditions were being followed. Hydrologic monitoring data was reviewed in conjunction with the review of the application to assess the adequacy of the monitoring elan and discussion of hydrologic impacts. This document is organized as follows: Section I includes a summary of our decision to require revisions with regard to the mid-term review per Rule 2.08,3, followed by a listing by category of what items need to be revised, and a rationale for requiring these revisions. Appendix I summarizes revisions to the permit processed from June 1982 to the present and the action taken by the Division. Appendix II presents the stipulations attached to the Bear Permit C-81-033 followed by a brief summary of their status. I. Decision to Require Revision The Division has conducted a mid-term review under Rules 2.08.3, 2.06,2(a), 2.06.3(4), 2.06.5(3), 2,06.7(5) and 3.02,2(4). The review included the Bear permit application, all subsequent revisions, all stipulation responses, hydrologic monitoring data, oast inspection reports, and on site inspections. The Division finds that certain revisions and modifications are needed to ensure future compliance with the Colorado Surface Coal Mining Reclamation Act and the Regulations of the Colorado Mined Land Reclamation Board for Coal Mining. The following section details the modifications required and justification for those revisions. Please submit a mid-term review revision application by May 25, 1990, in a packet which includes responses to the following questions and revised pages for inclusion in the permit application.