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UNITED STATES DEPARTMENT OF AGRICULTURE <br />SOIL CONSERVATION SERVICE Meeker, Colorado 81641 <br />April 10, 1978 <br />Soils <br />K-T, Gravel Pit <br />SW~, Section 27, TIN, R93w <br />Rio Blanco County, Colorado <br />The soils at this pit site are mainly of the Tridell soil series. This <br />soil is also mapped in complex with the broadly caassified "Calcio r <br />thid" Great Group of the soil taxonomy. This complex soil unit <br />occurs on the upper most part of the steep side slopes of the pit•site _ <br />with most of the Tridell soil being removed by geologic erosion. <br />The Tridell soil is deep with a loamy surface and subsoil about 11 <br />inches deep. The lower subsoil is a gravelly clay loam to gravelly loam <br />with about 30 percent gravel and '15 percent cobble and about 12 inches <br />thick. The underlying subsCratum is a very cobbly or gravelly sandy loam <br />with thick stratification or large pockets :o•f gravelly-cobbly loam to <br />very gravelly-cobbly loamy sand to a depth of more than 60 inches. <br />The surface of this Tridell soil would be satisfactory to support plant <br />revegetation and it should be recommended to be striped and stock piled. <br />The ajoining Calciorthid complex soil unit consist of shallow to deep <br />soils with various surface textures and content of coarse rock fragments. <br />These soils occur below the Tridell soils and may be underlain by shale <br />bedrock at various depths. This soils will be difficult to revegetate <br />due to shallow surface soil layers, coarse textures and rock content, <br />steep slopes and often shallow depths over shale. Suitable and sufficient <br />soil for topsoil cover is available on the ajoining Tridell soils. <br />i <br />Willian Pat Tripp <br />SCS Soil Scientist, Party Leader <br />Meeker, Colorado O <br />WPT/br <br />. ,~ _~~ .. <br />