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Ms. Kathy Begej <br />February 9, 1990 <br />Page 2 <br />impacts to t <br />monitoring is <br />analysis of <br />aforementioned <br />Yoast <br />hese units and whether downgradient <br />warranted is to be addressed following <br />the data collected from the <br />nioni toring. <br />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 Wadge <br />coal wells downgradient from the proposed mining <br />disturbance areas. <br />At this time, Peabody is not proposing to monitor the <br />underburden other than at the existing USGS sites. <br />Sage Creek stream monitoring stations above and below <br />mining disturbance drainage is requested. <br />4. Peabody proposes to install a 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 />contest any of the aforementioned monitoring requests, you <br />will be notified. <br />Sincerely, <br />~~ ~~~ <br />Ted Smith <br />Senior Hydrologist <br />kjs <br />Enclosure <br />