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Map Unit Description—Larimer County Area, Colorado, and Weld County, Colorado, Southern <br />Part <br />Frequency of flooding.- Occasional <br />Frequency of ponding: None <br />Calcium carbonate, maximum in profile: 15 percent <br />Salinity, maximum in profile_ Very slightly saline to slightly saline (2.0 <br />to 4.0 mmhoslcm) <br />Available waterstorage in profile_ Very high (about 16.7 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 3w <br />Land capability classification (nonirrigated): 3w <br />Hydrologic Soil Group- C <br />Hydric sod rating: No <br />Minor Components <br />Poudre <br />Percent of map unit: 5 percent <br />Hydric soil rating.- No <br />Aquolls <br />Percent of map unit- 5 percent <br />Landform: Swales <br />Hydric soil rating: Yes <br />78—Otero sandy loam, 3 to 5 percent slopes <br />I1SQA Natural Resources <br />Conservation service <br />Map Unit Setting <br />National map unit symbol: jpxs <br />Elevation: 4,800 to 5,600 feet <br />Mean annual precipitation: 13 to 15 inches <br />Mean annual air temperature: 48 to 50 degrees F <br />Frost -free period., 135 to 150 days <br />Farmland classification: Prime farmland if irrigated <br />Map Unit Composition <br />Otero and similar soils- 85 percent <br />Minor components: 15 percent <br />Estimates are based on observations, descriptions, and transects of the <br />mapunit. <br />Description of Otero <br />Setting <br />Landform: Fans <br />Landform position (three-dimensional)_ Base slope, side slope <br />Down-slope shape.- Linear <br />Across -slope shape: Linear <br />Parent material Alluvium and/or eolian deposits <br />Typical profile <br />H9 - 0 to 15 inches- sandy loam <br />H2 - 15 to 60 inches, sandy loam, fine sandy loam, loamy very fine <br />sand <br />Web Soil Surrey <br />National Cooperative Soil Survey <br />1119/2016 <br />Page 5 of 22 <br />