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III IIIIIIIIilllllll~ <br />999 <br />EXHIBIT I <br />SOILS <br />The description of the soil mapping units presented here originate <br />from the U.S. Soil Conservation Service (SCS). The field work <br />was completed in the period 1970-76 by the SCS offic at Glenwood <br />Springs. Typically, a map unit consists of one or more major <br />soils and some minor soils. Each unit whose classifications <br />are based on the system of soil taxonomy used in the National <br />Soil Survey Program of the United States is named for the major <br />soil series or associations. The soil series or associations <br />making up each unit may also occur in other mapping units in <br />a different pattern (SCS, 1977). <br />This exhibit presents a discussion of the general type, thickness <br />and distribution of the different soil mapping units in the permit ~- <br />area. This exhibit also discusses topsoil suitability. <br />Table I-1 is a list of soil mapping units that are discussed <br />throughout this exhibit. Maps of the soils on each of the three <br />permit areas are presented in Figures I-1, I-2 and I-3. <br />MAPPING UNIT DESCRIPTIONS <br />MAPPING UNIT 1F - PARACHUTE LOAM <br />25 TO 65 PERCENT SLOPES <br />This moderately deep, well-drained soil occurs on mountain slopes <br />between 7500 to 8700 feet elevation. It is formed in residuum <br />from sandstone. The average annual precipitation is 20 inches, <br />the average annual air temperature is about 40 degrees F., and <br />I-1 <br />