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• soil conditions, this soil can produce about 1,100 pounds <br />per acre (dry weight). Mechanically, the soil exhibits <br />moderate problems for buildings and roads due to a <br />low-strength, a tendency to exhibit shrink and swell, and <br />some frost action. It is rated as a good source for <br />topsoil. Its habitat potential for wildlife is fair as far <br />as grasses and legumes are concerned. <br />A typical analysis of this soil shows the first 9 <br />inches is a loam with 85 to 100% passing sieve number 40 and <br />50 to 65% passing sieve number 200. Between 9" and 60" it <br />varies from a loam to clay loam with only a slight increase <br />in the percentage passing sieve number 200. Permeability <br />throughout the horizon ranges from 0.6 to 2.0 inches per <br />hour. The available water capacity ranges from 0.16 to 0.20 <br />inches per inch of soil with a slightly higher value near <br />the surface. The pH ranges from 6.6 to 8.4 with the highest <br />values below 21 inches. Salinity is less than 2 mmohs/cm. <br />Below is information that was derived from the E1 Paso <br />County Soil Survey performed by the Soil Conservation <br />Service. It is highly representative of the soil on this <br />site. <br />Fort Collins Series: <br />• The Fort Collins series consists of deep, well drained <br />soils that formed in medium textured alluvium. These soils <br />are on terraces and uplands. They have slopes of 0 to 8 <br />percent. Average annual precipitation is about 13 inches, <br />and average annual air temperature is about 49 degrees F. <br />Fort Collins soils are similar to Cushman, Olney, and <br />Stoneham soils and are near the competing Olney and Stoneham <br />soils. The Cushman soils have a paralithic contact at a <br />depth of 20 to 40 inches. Olney soils have more than 35 <br />percent fine or coarser sand in the B2t and C horizons. <br />Stoneham soils are less than 15 inches deep to the base of <br />any Baca horizon. <br />Typical pedon of Fort Collins loam, 0 to 3 percent <br />slopes, about 0.45 mile south and 400 feet east of the <br />northwest corner of sec. 19, T. 175., R. 63 W: <br />Al-0 to 6 inches; brown (lOYR 5/3) loam, dark grayish <br />brown (lOYR 4/2) moist; moderate fine granular <br />structure; soft, very friable; neutral; clear smooth <br />boundary. <br />B1-6 to 9 inches; brown (lOYR 5/3) loam, dark grayish <br /> <br />- 27 - <br />