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Extension Tunnel above the Leadville Formation, resulting in off-site formation of dissolved zinc. Our <br /> mining plan is to pull rock away from the Shaft area and through reclamation and diversion redirect <br /> water away from the Shaft.These activities will reduce tributary flows to the underground workings of <br /> the London Mine by more than 30% (by about 2GPM annual average) and substantially reduce waste <br /> loading in the Tunnel. <br /> Loading from the London Mine decreased by 90%when the lower well was turned on in 2019.This <br /> indicates that redirecting water away from the upper mine areas and through the Paleozoic/Leadville <br /> Formation is the key to maintaining clean water at the Site.The water coming from the upper mine areas <br /> is principally derived from the area surrounding the American Mine Shaft.This plan will further improve <br /> water quality in South Mosquito Creek and reduce intrusion of surface water to the workings. <br />