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Mr. Dennis Conn - 2 - March 30, 1989 <br />The data report also includes the water level monitoring record for monitoring <br />well 38-H-1, installed above panel 1W1S five years prior to retreat extraction <br />within the panel. During retreat extraction of panels 1W1S and 1W1S the water <br />level in Well 38-W-] fell from an elevation of 7. 480' to 7,367', a <br />significant decline of 113 feet. Following completion of retreat extraction <br />in the two panels the water level in Well 38-H-1 rebounded by 106' to an <br />elevation of 7,437'. This recovery water level falls within the background <br />water levels recorded prior to commencing retreat extraction in panel 1W1S. <br />This presents verification of Mt. Gunnison's original permit application PHC <br />projection that subsidence would have only a transient impact upon the ground <br />water hydrology of overlying strata. <br />If you have any questions, please do not hesitate to contact me. <br />Sincerely, <br />~~~~ <br />Matthew S. Hayes <br />Reclamation Specialist <br />MSH/eke <br />4751E <br />