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• 2.05.6 <br />Records of the above monitoring will be maintained on site and submitted to <br />the Division annually in the form of an annual hydrology report. The annual <br />hydrology report (AHR) will be submitted each year on or before April 30'". <br />Pictures of stock ponds will be taken annually and included in the AHR's <br />beginning with the 2001 AHR. <br />The data obtained from the monitoring program outlined above will be <br />utilized to determine if the mine is having an impact on the hydrologic <br />balance. Impact on the hydrologic balance will be evaluated by analyzing <br />rapid andfor unanticipated changes at a monitoring site. A rapid drop in the <br />water level in one of the monitoring wells might indicate the mine is impacting <br />the perched water bearing zone. A rapid drop in the water level in one of the <br />ponds might indicate a subsidence crack intersected the pond bottom. A <br />change in water quality might indicate the mining operation is causing water <br />bearing zones to mix or is disturbing water bearing zones. A rapid <br />unseasonal drop in spring flow may also indicate mine impact. <br />• <br /> <br />PR-04 2.05 - 66 - 02/01 <br />