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Subsidence Monitoring <br />Report <br />Page 2 <br />A large change in subsidence occurred on Row C, is a result of the completion <br />of pillaring operations in the 7 East area. Based on the previous data obtained, <br />it is anticipated that minimal subsidence will occur on F:ow C in the future. <br />It is recommended that as a result of the completion of pillaring in the <br />6 and 7 East areas, the subsidence measurements be performed on an annual basis. <br />