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Binns, Janet <br />From: Nettleton, Jerry [JNettleton@peabodyenergy.com] <br />Sent: Monday, April 18, 2011 5:30 PM <br />To: Binns, Janet <br />Cc: Davis, E. Jason; Berdine, Mike <br />Subject: Twentymile Coal, LLC - MR11-253 Revised Drawings <br />Attachments: Figure 49U-F1 16 LEFT Grout BH REV 3 041811-36 x 50.pdf; Figure 49U-F1 16 LEFT Grout <br />BH REV 3 041811-11X17.pdf; plot.log <br />Janet - <br />After completing a field survey and staking-out the road location and corners of the proposed drill pad, we found that by <br />shifting the pad and road and slightly reconfiguring the pad and soil stockpile locations we will end-up with a better <br />configuratioe relative to access and site drainage. The attached revised drawings reflect the modified configuration. <br />Overall disturbance does not change appreciably, so stockpile volumes and bond should remain the same. In addition, <br />we measured the existing culvert under the County Road and found that it is 36" rather than the 48", as previously <br />noted, so we have adjusted the size of the culvert for the access road accordingly - <br />Best regards, <br />Jerry <br />Jerry M. Nettleton <br />Environmental Manager <br />Twentymile Coal, LLC <br />29515 RCR27 <br />Oak Creek, Colorado 80467 <br />970.870.2712 <br />inettleton(i,ueabodyenergy.com <br />From: Berdine, Mike <br />Sent: Monday, April 18, 20113:15 PM <br />To: Nettleton, Jerry <br />Subject: Revised drawings <br />Michael A. Berdine <br />Manager - Technical Resources <br />Twentymile Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />970.870.2782 <br />970.870.2761 Fax <br />970.846.9686 Cell <br />mberdine(a peabodyenergy.com <br />i