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~_ <br />~.. . <br />Ms. Kathy Begej <br />February 9, 1990 <br />Page 2 <br />impacts to these units and <br />monitoring is warranted is to <br />analysis of the data <br />aforementioned monitoring. <br />Yoast <br />whether downgradient <br />be addressed following <br />collected from the <br />~ _ j ~. ~ t~ <br />1. Peabod has ~ <br />y proposed using the .~JSGS onitoring <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. ,.,.;+..~~nh..•- an af~sru~~a; <br />\~C At this time, Peabody is riot proposing to monitor the <br />underburden other than at the existing USGS sites. <br />3. 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 z 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 />i~ ~ ~. <br />' ~~:.. <br />~t <br />~ L,~~1 <br />t <br />~n GJ.~n r~i ~Cf (~o~~ <br />32 `~`~ <br />(_ J ~ ~J, JYJ3 <br />J ~~MM,gi _;,y~ <br /> <br />Enclosure <br />