Laserfiche WebLink
• surface layer is brown gravelly sandy loam about 5 inches thick. The next 25 inches is <br />mainly very gravelly loamy sand. Below this to a depth of 60 inches or more is very gravelly <br />sand. The soil is moderately alkaline throughout. <br />Permeability of the Schamber soil is very rapid. Available water capacity is very low. <br />Effective rooting depth is 60 inches or more. Runoff is medium, and the hazard of water <br />erosion is moderate to very high. <br />The Midway soil is shallow and well drained. It formed in residuum and colluyium derived <br />dominantly from shale. Typically, the surface layer is grayish brown clay about 3 inches <br />thick. The next 3 inches is clay. Below this is clay about 12 inches thick. Platy shale is at <br />a depth of 15 inches. The soil is moderately alkaline and slightly saline throughout. <br />Permeability of the Midway soil is slow. Available water capacity is very low. Effective <br />rooting depth is 10 to 20 inches. Runoff is rapid to very rapid, and the hazard of water <br />erosion is very high. <br />The soil unit encompassed in the 112c Permit is all used as rangeland. The potential plant <br />community on this land is mainly sideoats grama, blue grama, and Indian ricegrass. Other <br />grasses that can be found are needleandthread and sand dropseed. The average annual <br />production of air-dry vegetation is about 700 pounds per acre. If the condition of the range <br />deteriorates, rabbitbrush, threeawn, yucca, and cactus increase. <br />Soil Unit 17-Fort Collins loam, 1 to 3% slopes. This deep, well drained soil is on uplands. <br />It formed in eolian silt and fine sand. The native vegetation is mainly grass. Elevation is <br />between 5500 to 6300 feet. The average annual precipitation is 12 to 16 inches, the <br />• average annual temperature is 50 to 54 degrees F, and the average frost-free period is 125 <br />to 150 days. Ordinarily, the surface layer is grayish brown loam about 4 inches thick. The <br />subsoil is clay loam about 19 inches thick. The substratum to a depth of 60 inches or more <br />is loam. The soil is neutral to a depth of 4 inches, mildly alkaline to a depth of 23 inches, <br />and moderately alkaline below that depth. <br />Included in this unit is about 10% Baca loam in the swales and drainways. <br />Permeability of this Fort Collins soil is moderate. Available water capacity is high. Effective <br />rooting depth is 60 inches or more. Runoff is medium, and the hazard of water erosion is <br />slight to moderate. <br />The potential community on this unit is mainly blue grama. Other grasses that characterize <br />the unit are western wheat grass and sideoats grama. The average annual production of <br />air-dry vegetation is about 1000 pounds per acre. If the condition of the range deteriorates, <br />threeawn, cholla, pricklypear, and snakeweed increase. <br />Soil Unit 60- Olney sandy loam, 3 to 12% slopes. This deep, well drained soil is on <br />uplands. It formed in calcareous eolian material. The native vegetation is mainly grass. <br />Elevation is 5500 to 6900 feet. The average annual precipitation is 13 to 15 inches, the <br />average annual air temperature is 49 to 54 degrees F, and the average frost-free period <br />is 125 to 160 days. <br />Typically, the surface layer is brown sandy loam about 3 inches thick. The upper 10 inches <br />of the subsoil is mainly sandy clay loam, and the lower part is sandy clay loam about 5 <br />inches thick. The substratum to a depth of 60 inches or more is fine sandy loam. The soil <br />. is neutral to a depth of 13 inches and moderately alkaline below that depth. <br />Included in this unit is about 10% Fort-Collins loam in swales. Also included are small <br />areas of Otero sandy loam on low ridges. <br />