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Exhibit I — Attachment 4: Soil Information (Vona Sandy Loam) (page 2 of 2) <br />Estimates are based on observations, descriptions, and transects of the <br />mapunit. <br />Description of Vona <br />Setting <br />Landform: Plains, terraces <br />Down -slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Alluvium and /or eolian deposits <br />Typical profile <br />H1- 0 to 6 inches: sandy loam <br />H2 - 6 to 28 inches: fine sandy loam <br />H3 - 28 to 60 inches: sandy loam <br />Properties and qualities <br />Slope: 1 to 3 percent <br />Depth to restrictive feature: More than 80 inches <br />Natural drainage class: Well drained <br />Runoff class Very low <br />Capacity of the most limiting layer to transmit water (Ksat): High (1.98 <br />to 6.00 in/hr) <br />Depth to water table. More than 80 inches <br />Frequency of fl)oding: None <br />Frequency of ponding: None <br />Calcium carbonate, maximum in profile: 15 percent <br />Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to <br />4.0 mmhos /cm) <br />Available water storage in profile. Moderate (about 6.8 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 3e <br />Land capability classification (nonirrlgated): 4e <br />Hydrologic Soil Group: B <br />Ecological site. Sandy plains (R067BY024CO) <br />Minor Components <br />Remmit <br />Percent of map unit. 9 percent <br />Olney <br />Percent of map unit. 3 percent <br />Julesburg <br />Percent of map unit. 3 percent <br />Data Source Information <br />Soil Surrey Area: Weld County, Colorado, Southern Part <br />Survey Area Data: Version 12, Jan 3, 2014 <br />USDA Natural Resources Web Soil Survey 1002014 <br />r� Conservation Service National Cooperative Soil Survey Page 3 of 3 <br />