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,~ "' <br />1. A technical revision to the reclamation plan which addresses estimated <br />worse case mine discharge volumes and which includes provisions for safely <br />handling discharge water, will need to be provided. <br />2. The PHC will need to be amended to address worst case mine discharge <br />quantity and quality. <br />3. Options for treatment of perpetual discharge, if necessary based on worst <br />case projections, will need to be addressed. <br />Subsidence Impacts <br />A copy of the December 17 inspection report, along with photographs 1 took on the Truitt and <br />Hudson properties, was forwarded to our Denver office for review by staff engineering geologist, <br />Jim Pendleton. Dr. Pendleton's preliminary opinion, based solely on office review of the <br />inspedion report, property maps, and photographs I provided, was that definitive evidence of <br />subsidence caused structural damage was not apparent. A copy of his review memo is <br />enclosed. <br />Before we finalize the subsidence evaluation, we want to have Dr. Pendleton conduct afollow-up <br />subsidence site inspedion. Weather and ground conditions permitting, this would probably be <br />some time in March. We will be contacting you and the affected surface owners in the near <br />future to schedule a date and time for the inspedion. <br />Please contact me if you have any questions. It might be beneficial for you to meet with me, <br />Mike Boulay and Lany Routten, who were involved in the hydrologic impacts review, before you <br />initiate work on responding to the hydrology issues. Let me know if you agree, and we will try to <br />schedule the meeting as soon as possible. <br />Sincer , <br />Dan T. Math <br />Environmental Protection Specialist <br />Cc: Denver File <br />Greg and Fran Lazear <br />Leslie Truitt <br />James Hudson <br />Joe Beldon <br />Jack Amey <br />Mitch Rollings, OSM <br />Mike Boulay, DMG <br />Jim Pendleton, DMG <br />Da nswordUca n~brel hd ro.ltr <br />