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7/13/2021 State.co.us Executive Branch Mail-Re:Southfield Mine SL-05 Inspection Report <br /> STATE OF DRMS—CoalAdmin -DNR, DNR<dnr—drms—coal—admin@state.co.us> <br /> COLORADO — <br /> Re: Southfield Mine SL-05 Inspection Report <br /> 1 message <br /> Trujillo - DNR, Zach <zach.trujillo@state.co.us> Tue, Jul 13, 2021 at 11:34 AM <br /> To: Doug <ajjc@att.net> <br /> Cc: Jason Musick- DNR<jason.musick@state.co.us>, DNR DRMS_CoalAdmin - DNR<dnr—drms—coal—admin@state.co.us> <br /> Dr. Corley, <br /> Thank you for your comments in regards to the Southfield Mine (C-1981-014)SL-05 inspection report. The Division will <br /> continue to include them for the record. <br /> Sincerely, <br /> On Tue, Jul 13, 2021 at 10:30 AM Doug <ajjc@att.net>wrote: <br /> Zach, <br /> When Southfield was designing the reconstruction of the Magpie Diversion as a permanent diversion in 2000, the <br /> Division would not allow grass to be used for erosion control of the diversion bottom or banks because of the very high <br /> flow rates of a 100 year event. The predicted water velocity in the steeper channel sections required rip-rap according <br /> to the Division. It is interesting that the Division would now decide differently. <br /> disagree that heavy equipment would be required to repair the bare area. Using your measurement of the bare area, <br /> about twenty stones would be adequate. There are sufficient stones in the area that could be transported with a low <br /> pressure rubber tired ATV that would not damage the established grass on the rest of the reclamation. One could even <br /> use a wheelbarrow although it would take an extra day or two. <br /> Doug Corley <br /> On Jul 12, 2021, at 11:07 AM, Trujillo- DNR, Zach <zach.trujillo@state.co.us>wrote: <br /> Dr. Corley, <br /> Please see the attached inspection report from the Division regarding the Southfield Mine (C-1981-014) <br /> SL-05. <br /> Sincerely, <br /> C 0 L 0 R A D 0 <br /> aa Division of Reclamation, <br /> cw <br /> Mining and Safety <br /> Department of Natural Resources <br /> Zach Trujillo <br /> Environmental Protection Specialist <br /> P 303.866.3567 x 8164 1 F 303.832.8106 C 303.563.9185 <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 <br /> Zach.Trujillo@state.co.us https:Hdrms.colorado.gov/ <br /> <7-8-21.pdf> <br /> V4h0C 0 L 0 R A D 0 <br /> ._ _.d Division of Reclamation, <br /> rr ' Mining and Safety <br /> Department of Natural Resources <br /> https://mail.google.com/mail/b/ALGkd0y8elLUpphO-cw_b4dRu9Vtn4AuagQgJnHQChhDjud92irb/u/O?ik=deb7fOcd20&view=pt&search=all&permthid=th... 1/2 <br />