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<br />Ms. Kathy Beoej <br />February 5, i49G <br />Page 2 <br /> <br /> impacts to these units and whether downgradient <br /> monitoring is warranted is to be addressed following <br /> analysis of the data collected from the _ <br /> aforementioned monitoring, ~ - <br /> ~ ~l <br />I Yoast ~ ' <br />1. Peabody has proposed using the USGS monitoring" <br /> installations which consist of 27 bedrock and 13 <br /> alluvial wells. Some of the alluvial wells may not <br /> be salvageable. In addition, Peabody has proposed to <br /> install three additional sets of overburden and Wadae <br /> coal wells downgradient from the proposed mining <br />" <br /> disturbance areas. ,,_,. ... -. - Q,' .:*~~..:...,.:; ~.~ c:r~, -r ~_•~•-: <br /> At this time, Peabody is not p roposing to monitor the <br />~ _~ underburden other than at the existing USGS sites. <br />• 3. Sage Greek stream monitoring s tations above and below '...,t),w~ i _~..:,~' Y <br /> mining disturbance drainage is requested. <br />I <br />4. <br />Peabody proposes to install a - <br />flume and an alluvial ~~~~ " <br /> well in the unnamed drainage exiting from the north <br /> end of the Yoast property. <br />5. Baseline water flow and quality in the 016 pond <br />(Figure 2) drainage (tributary to Grassy Creek) at <br />the point of the proposed pond is requested. If true <br />alluvium exists within a } mile distance downstream <br />of the pond, an alluvial monitoring well within the ; <br />mile reach is requested. <br />Please verify that we have summarized all the monitoring <br />sites that were discussed. Should Peabody choose to <br />can test any of the aforementioned monitoring requests, you <br />will 6e notified. <br />Sincerely, <br /> <br />Teo Smith <br />Senior Hydrologist <br />kjs <br />Enclosure <br />