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Jason Musick <br />March 6, 2014 <br />Page 2 <br />Seam is required. Please provide a plan for our review that addresses baseline characterization of <br />the Wadge Coal/Wolf Creek Coal Interburden and the Wolf Creek Coal Seam. This should include <br />both up gradient and down gradient monitoring wells and the Hydrologic Monitoring Plan and <br />Probable Hydrologic Consequences portions of the permit document updated accordingly. <br />2) With respect to this revision, I would like to review their proposed well completion design. <br />Well completion design plans for additional monitoring wells above and within the Wolf Creek <br />Coal were not provided with this submittal. Construction materials and techniques are important <br />considerations for proper abandonment, and this should be reviewed prior to approving an <br />installation. <br />3) Well completion logs should be provided following completion of any new monitoring wells <br />for incorporation into the PAP. Please also ensure that the Well Completion Summary Table is <br />updated for the revised groundwater monitoring plan and add any new monitoring well locations <br />to the Hydrologic Monitoring Map 13A. <br />Please let me know if you have questions or need additional information. <br />C: DRMS Denver File <br />