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UNITED STATES DEPARTMENT OF AGRICULTURE <br />• SOIL CONSERVATION SERVICE <br />422 East First St., Trinidad, CO 81082 5/18/82 <br /> <br />Animas Coal Company <br />South of Trinidad <br />Trinidad, CO 81082 <br />Dear Sir: <br />Attached are copies of map unit descriptions and a map with the soil _ <br />sample area outlined in pencil. A good area for a possible source of <br />topsoil is outlined in blue. trcnn~~ ~ Nr~~r~~~ ~~ <br />The area with large amounts of available topsoil is located on the <br />South side of the drainage, immediately west of a large refuse pile. <br />This area is dominantly Fort Collins loam (LfD)~with a small area of <br />Limon clay loam (C11C) along the drainageway. Soil depths range from <br />5 to 10 feet. The Fort Collins soil has a very shallow surface horizon <br />FO to 6") and a thick argillic B horizon (15-25 inches). These two <br />horizons should not be separated when stockpiled. The C horizons ave- <br />• rage 3 t0 7 feet thick. All C horizons r.an b2 Stockpiled together. <br />The Limon soil should be treated in a similar fashion. This Soil differs <br />from the Fort Collins in having a higher concentration of clay throughout <br />the profile, and having a thin camb is 8 horizon. <br />The north side of the drainageway consists of very shallow soils (Pj F) <br />except on ridge tops. These ririge tops average 20 to 30 inches in soil <br />depth. The dominant soil in ~.Luulicr area:, is Luuviers yrave Lly clay <br />loam. This soil is shallow over shale. there are numerous areas of <br />exposed sandstone and shale bedrock. <br />This area should not be disturbed if possible. Topsoil is very limited <br />and removal of vegetation would only irir:rease erosion of shallow soils. <br />If you have any questions or need additional information let me know. <br />Sincerely, <br /> <~ <br />r <br />~ <br />d.~ . <br />st. <br />Lee A. Neve <br />Soil S< ~ic~~t ist <br />0 <br />]86 <br />