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<br />Mr. Michael S. Savage Page Seven <br />June 28, 1985 <br />Peerless believes that mine related subsidence will be <br />negligible. If monitoring information supports this contention, <br />Peerless plans to work with the Division to develop a technical <br />revision allowing either partial or complete pillar extraction in <br />areas of limited overburden thickness. It is anticipated that <br />this technical revision would incorporate an expansion of the <br />proposed subsidence monitoring network in the areas of the <br />ephemeral drainages. <br />11. <br />12. <br />Res onset Peerless does not believe that the requested double <br />completion well is required to provide adequate baseline <br />information. Therefore, Peerless does not feel that completion <br />of this well is essential to permit approval. It is our <br />understanding that this double completion well will be used for <br />long-term monitoring during the mining operation. Therefore, <br />Peerless will plan to install a double completion well in the <br />NWT, NWT Section 16. T35N, R10W. This well will be installed <br />during the late summer or fall of 1985 such that information will <br />be available during the spring, 1986 runoff. The actual details <br />regarding well completion and pump or slug test procedure will be <br />submitted to the Division for approval prior to installation of <br />the well. Likewise, upon completion of the well, all pertinent <br />information including water quality data, driller's logs, and <br />well completion information will be submitted to the Division. <br />rtinent information <br />on aatia. ana wa <br />Response: Upon completion of the water supply well in the <br />surface facilities area of the Coal Gulch Mine, Peerless will <br />submit pertinent information to the Division. This information <br />will include the State Engineer number, the depth of the hole, <br />the driller's log, completion information, production data, and <br />water quality analyses. <br />