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Exhibit I — Attachment 4: Soil Information (Vona Sandy Loam) (page 1 of 2) <br />Sods that, have profiles that are al,-no it alike make up a scx/ series. Al: the soils of <br />a series have mayor horizons that are similar in composition, thickness, and <br />arrangement. Soils of a given series can differ in texture of the surface layer, slope, <br />stoniness, salinity, degree of erasion, and other characteristics that affect their use. <br />On the basis of such differences, a soil series is divided into soil phases. Most of <br />the areas shown on the detailed soil maps are phases of soil series The name of <br />a soil phase commonly indicates a feature that affects use or management For <br />example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series <br />Some map units are made up of two or more mayor soils or miscellaneous areas. <br />These map units are complexes, associations, or undifferentiated groups. <br />A complex consists of two or more soils or miscellaneous areas in such an intricate <br />pattern or in such small areas that they cannot be shown separately on the maps. <br />The pattern and proportion of the soils or miscellaneous areas are somewhat similar <br />in all areas Alpha -Beta complex, 0 to 6 percent slopes, is an example. <br />An association is made up of two or more geographically associated soils or <br />miscellaneous areas that are shown as one unit on the maps Because of present <br />or anticipated uses of the map units in the survey area, it was not considered <br />practical or necessary to map the soils or miscellaneous areas separately. The <br />pattern and relative proportion of the soils or miscellaneous areas are somewhat <br />similar Alpha -Beta association, 0 to 2 percent slopes, is an example <br />An undifferentiated group is made up of two or more soils or miscellaneous areas <br />that could be mapped individually but are mapped as one unit because similar <br />interpretations can be made for use and management. The pattern and proportion <br />of the soils or miscellaneous areas in a mapped area are not uniform An area can <br />be made up of only one of the mayor soils or miscellaneous areas, or it can be made <br />up of all of them Alpha and Beta soils, 0 to 2 percent slopes, is an example <br />Some surveys include miscellaneous areas Such areas have little or no soil <br />material and support little or no vegetation Rock outcrop is an example <br />Additional information about the map units described in this report is available in <br />other soil reports, which give properties of the soils and the limitations, capabilities, <br />and potentials for many uses. Also, the narratives that accompany the soil reports <br />define some of the properties included in the map unit descriptions <br />Weld County, Colorado, Southern Part <br />76 —Vona sandy loam, 1 to 3 percent slopes <br />Map Unit Setting <br />National map unit symbol 363w <br />Elevation 4,600 to 5,200 feet <br />Mean annual precipitation 13 to 15 inches <br />Mean annual air temperature 48 to 55 degrees F <br />Frost -free period. 130 to 160 days <br />Farmland classification Farmland of statewide importance <br />Map Unit Composition <br />Vona and similar soils: 85 percent <br />Minor components. 15 percent <br />USDA Natural Resources Web Soil Survey 10/2/2014 <br />�s Conservation Service National Cooperative Soil Survey Page 2 of 3 <br />