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The subsidence monitoring network for the longwall area is shown on Map 23A. Mapped subsidence survey lines <br />include the supplemental monitoring stations to be established for evaluation of potential subsidence impacts in the <br />effected portion of the designated Fish Creek AVF. <br />SOUTHWESTERN MINING DISTRICT <br />TC, through the acquisition of the un- leased federal coal reserves located in the SWMD, added additional <br />recoverable reserves to its existing mine plan. The SWMD lease application was submitted to the BLM on January <br />27, 1992, and was subsequently approved. <br />The lease application area is located in the N1 /2 of Section 36, TSN, R87W, and the W /2NR/4 and the NW /4 of <br />Section 31, TSN, R86W. The lease application comprises approximately 537 acres. The surface of this coal is <br />controlled by three different landowners, TC, Robert Perry, and Robert Perry et al. <br />TC extended the 2- and 3- Southwest Panels to the west. The 2- Southwest Panel was extended approximately 300 <br />feet to the west and the 3- Southwest Panel was extended approximately 700 feet to the west. The modified mine <br />projections are shown on Maps 23 and 23A, Mine Plan. The panel extensions allowed for the recovery of <br />additional reserves in the newly acquired federal lease. <br />TR13 -83 2.05 -3.1 12/23/13 <br />