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7/2/2014 <br />OF <br />• ■ ■ • <br />Re: EFCI MWNW <br />State.co.us D ecutive Branch Mail - Re: EFCI MWNW <br />Berry - DNR, David <david.berry@state.co.us> Wed, Jun 25, 2014 at 11:37 AM <br />To: "W D Corley, Jr." <ajjc @att.net> <br />Dr. Corley - Thank you for your message. <br />David <br />On Wednesday, June 25, 2014, W D Corley, Jr. <ajjc @att.net> wrote: <br />David Berry, <br />The Corley Company has the largest acreage of all of the landowners affected by the Southfield Mine. In the <br />past we have talked and communicated with your Division about the MWNW monitoring well, and we would <br />like to clarify our position on this issue. We have carefully studied the implications of the MWNW current <br />status. We believe that the two water injection tests sufficiently demonstrate that this well will provide <br />sufficient monitoring capability for the presence or absence of water in the mine void. The basis for that <br />statement is that the approximate twenty feet of the partial obstruction above the mine floor is probably <br />insignificant when compared with over a thousand feet of mine floor elevation difference from the deepest to the <br />highest part of the mine. We want to stress that point because the mine void pitches and is not close to being <br />in a horizontal plane. In addition it is completely unknown how the many mine and panel seals will affect water <br />levels in different parts of the mine. We want to go on record to suggest that EFCI be allowed to monitor the <br />MWNW at the point above the obstruction. <br />Doug Corley, Pres. <br />The Corley Company <br />https: / /niai l.g oog le.conymai I /u/0/ ?ui =2 &i k= b46be11 b9e&\iea&= pt &search = sent &th= 146d41 a5bc90aOef &si m1= 146d41a5bc90aOef 1/1 <br />