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ENERGY, INC. <br />A Subfldlery of <br />Defarot Gsnsrollen d <br />Trensmlalon <br />Coovsretlre <br />3507 County Ad. 65 <br />HenBsry, CO 57648 <br /> <br />Dear Dan: <br />April 13, 1994 <br />Mr. Dan Mathews <br />Division of Minerals and Geology <br />2148 Broadway, #C-5 <br />Grand Junction, Colorado 81503 <br />RE: Additional soil sampling <br />Permit Renewal <br />File No. C-018-81. <br />iii iuiiiiiiiiuiii <br />999 <br />RECEIVEp <br />APR 15 1999 ; <br />DfV. OF MINEggLS <br />GRAND JtINCTIQE~OGY <br />I reviewed the existing data in the permit in preparation for sampling soils to verify <br />suitability for reclamation of future refuse areas. It appears the existing data is based on <br />soil series and not mapping unit. Your previous suggestions appeared geared towazds <br />mapping unit. <br />The mapping units that you requested fitrther sampling include: <br />106 Satanka silt loam, deep phase <br />108 Turley Variant -Potts complex <br />109 Turley Varian[ loam <br />110 Turley Variant, disturbed <br />Following previous methodology, three soil series are involved. Reviewing the existing <br />data on this basis provides the following samples collected in 1980: <br />Satanka silt loam <br />This series is represented by Pit 5 located in Refuse Area SB. The [napping unit is shown <br />as 1 12, Satanka silt laarrt. It can be assumed that this sample would provide a reasonable <br />estimate of the soil available for reclatttation purposes relative to unit 106 since 106 is <br />designated as `deep phase'. Qualitative suitabilities should be equivalent. <br />Turlev Variant <br />This series is well represented by four existing pits in the general area. The type location (Pit 4) is <br />located in Refuse Area 9. Apparently it was dug in a Turley inclusion to a Potts mapping unit <br />(107) which adds [o [he confusion. <br />Other Turley Variant series pits include: <br />• Pit 16 located approximately 1800 feet west of Refuse Area I I. <br />• Pit 20 located approximately one mile south-west of Refuse Areas 10 & I I . <br />• Pit 13 located approximately 600 feet south-west of Refuse Area 9, next to Refuse <br />Area 4. This pi[ is not linked to a soil series in the text but is shown on map unit 110. <br />