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~Q-a <br />~• <br />PEABODY COAL COMPANY <br />Western Dlvlelon <br />July 5, 1989 <br />.:~ -~~.: <br />.. . <br />c~~ <br />• <br />Mr. Carl Mount <br />Colorado hlined Land Reclamation Division <br />1313 Sherman Street <br />215 Centennial Building <br />Denver, GO 80203 <br />RE: Baseline Soil Survey for the Yoast Area <br />Dear Mr. Mount: <br />1700 SauU Yale <br />Flagstatl, Arizona 86001 <br />(602) 77x5253 <br />Peabody Coal Company intends to initiate the baseline soil <br />survey study at the Yoast area by August 1, 1989. Peabody <br />requests the Division to review the scope of work that <br />will be used to complete the baseline soil) se`y~. fa 2359 <br />The Yoast area, comprising about 1,700. acres, is located <br />about 4.5 miles southwest of Sene I Mine and 3 miles <br />east of the Seneca II-W permit area. The proposed study <br />area for Yoast is outlined on the enclosed 1" = 2000' <br />scale topographic base map. <br />The soil baseline study for the Yoast area will be <br />conducted according to the Objectives and Methodology <br />described in the Soil Baseline Study Report completed for <br />the East Wadge Extension area at Seneca II Mine. This <br />information is presented in PAP C-80-005, Volume 7, Tab 9, <br />Attachment 9-6, pages 9-6-4, 9-6-5, and 9-6-7 through <br />9-6-16. <br />All soil taxonomic units appearing in the soil survey <br />legend will be described and characterized. The number of <br />samples per taxonomic unit will adequately characterize <br />each map unit and shall be based on the complexity and <br />variability of soils within the study area. The following <br />sampling intensity guideline will be used: <br />Percent of Size of No. of <br />Study Area Area (acres) Samples <br /> <br />< 10% < 25 1 <br />10-25% 25-100 2 <br />25-50% 101-500 3 <br />50-100`0 > 500 4 <br />S-1 <br />