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Custom Soil Resource Report <br /> Lincoln County, Colorado <br /> 129—Fort loam, 0 to 3 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: 2t50j <br /> Elevation: 3,700 to 6,000 feet <br /> Mean annual precipitation: 12 to 14 inches <br /> Mean annual air temperature: 48 to 54 degrees F <br /> Frost-free period: 130 to 170 days <br /> Farmland classification: Prime farmland if irrigated <br /> Map Unit Composition <br /> Fort and similar soils:85 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Fort <br /> Setting <br /> Landform: Interfluves, hillslopes <br /> Landform position(two-dimensional):Summit, backslope <br /> Landform position(three-dimensional): Side slope <br /> Down-slope shape: Linear <br /> Across-slope shape:Convex, linear <br /> Parent material. Old alluvium <br /> Typical profile <br /> A-0 to 3 inches: loam <br /> Bt-3 to 8 inches: clay loam <br /> Btk-8 to 30 inches: sandy clay loam <br /> Bk1 -30 to 48 inches: sandy clay loam <br /> Bk2-48 to 79 inches: sandy loam <br /> Properties and qualities <br /> Slope:0 to 3 percent <br /> Depth to restrictive feature:More than 80 inches <br /> Drainage class:Well drained <br /> Runoff class: Low <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20 <br /> to 0.60 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum content:30 percent <br /> Maximum salinity:Very slightly saline(2.0 to 3.9 mmhos/cm) <br /> Sodium adsorption ratio, maximum:6.0 <br /> Available water capacity. Moderate(about 8.0 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 3e <br /> Land capability classification (nonirrigated): 4c <br /> Hydrologic Soil Group: C <br /> Ecological site: R069XY006CO-Loamy Plains, LRU's A and B 10-14 Inches, P.Z. <br /> Forage suitability group: Loamy (G069XW017CO) <br /> 13 <br />