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9/2/2014 State.co.us Executive Branch Mail - Fwd: FW: Twentymile Coal, LLC -Wolf Creek Reserve Offset Drilling, Wildlife Consultation <br />From: Justin Pollock - DNR [ mailto :justin.pollockCaa)state ®co ®us] <br />Sent: Thursday, August 28, 2014 1:33 PM <br />To: Nettleton, Jerry <br />Subject: Re: Twentymile Coal, LLC - Wolf Creek Reserve Offset Drilling, Wildlife Consultation <br />Jerry, <br />concur that the conditions and considerations would be the same as outlined in my previous consultation letter. <br />Let me know if I can be of further assistance. <br />Justin Pollock <br />District Wildlife Manager <br />Area 10- Steamboat Springs - Milner District <br />iI I <br />P 970 -629 -1247 <br />925 Weiss Dr. Steamboat Springs, CO 80477 <br />justin, ollock rx.stateocoous <br />On Aug 21, 2014, at 2:12 PM, "Nettleton, Jerry" <JNettleton peabodyenergy.com> wrote: <br />Justin - <br />We are planning an offset drilling program for our Wolf Creek Reserve to delineate and assess the <br />location and extent of sand channel deposits identified through previous drilling (see attached <br />Figure EX52 -F6). In order to accurately characterize these deposits,TC has identified several <br />parallel zones where offset drilling will be used to locate channel intercepts. Because the <br />thickness and characteristics of the drillhole intercepts will determine the location and spacing of <br />the offset drillholes, TC has defined the limits of the drilling zones, the maximum number (20) and <br />depth (1,600') of drillholes to be completed, and the maximum total footage (7,150') of access road <br />required. The defined drilling zones and related access fall outside of the identified "restricted use <br />areas" for grouse (shown on the attached map), and conditions and considerations should be <br />essentially the same as outlined in your previous consultation letter (attached for reference). <br />Please review and let me know if you concur. <br />Thanks for your time and consideration - <br />Best regards, <br />https: / /mai l.g oog le.com/mai 1 / ?ui =2 &i k= 4546421 a5a& A ew= pt &search =i nbox&th= 14836b3e5ab699d2&siml= 14836b3e5ab699d2 2/4 <br />