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Section 779.21 (a) Continued. <br />• At Mine No. 1, seven undisturbed topsoil samples were collected by <br />Berg (1973) and the Intermountain Forest and Range Experiment <br />Station, Forestry Laboratory in 1976. (See Table 73, Chemical and <br />Physical Characteristics of Soils Collected at Energy Fucls Mine <br />No. 1). A total of 16 different parameters Caere analyzed. The most <br />thorough early soil study done at the Energy Mine No. 1 with respect <br />to the parameters sampled was conducted by Heil (1976). Fifty-four <br />different parameters were analyzed on 17 different samples. A <br />complete copy of the resulting data is set forth in Table 74, Total <br />Pfetal Content of Soil Horizons Sampled by Heil (1976), Table 7i, <br />Chemical Characterization of Soil Horizons Sampled by Heil (1976), <br />and Table 76, Soil Nutrie~~r Properties of Soil Horizons Sampled by <br />Heil (1976), and Table 77, Particle Size and Ploisture Content <br />Analysis of Soil Horizons Sampled by Heil (1976). <br />The most recent soil samples colleted at Piine No. 1 are those of <br />• Heil (1978) who characterized the soils resources for the proposed <br />Bureau of Land Management Energy Minerals Resource Inventory and <br />Analysis revegetation test site. The data collected by Heil are <br />contained in Table 78, Classification and Laboratory Characteriza- <br />tion for Soil Profiles Representative of Soil Materials found on <br />the "Borrow Area" at *he Energy Mi^e Site. Seventeen parameters <br />were analyzed on 14 different samples. <br />The exact sampling locations for all of the above soils are shown <br />on Twentymile Park Soils (Map 28). <br />Interpretation of Existing Soils Analyses. The conclusions drawn <br />below are based upon examination of the 112 separate soils analyses <br />presented in the previously mentioned Tables. Although data were <br />not necessarily developed using the same methodology, they are <br />nevertheless extremely comprehensive and useful for describing and <br />rating the topsoils for their reclamation potential. The data are <br />• arranged according to their relative suitability for topsoil as <br />779-262 <br />