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• <br />Coulson Eacavatiag Company, Inc. -Bonser Gravel Pit <br />Eahibit J -Vegetation Information <br />The site of the proposed Bonser Gravel Pit is utilized agriculturally to grow hay (imgated farmland), <br />principally smooth brome (Bromopsis inermrs). Other vegetation surveyed in June 1999 consists of a <br />mixture of weedy grasses and forbs (non-native pasture) in disturbed areas, such as adjacent to dirt roads, <br />fence lines, and the three existing ponds in the southwest comer of the property. A ditch in the far <br />southwestern comer of the property supports a mixture of herbaceous wetland vegetation. There is also a <br />stand of cottonwoods. These are outside the bounds of the affected azea. A quantitative estimate of each <br />cover type and height for the types of vegetation is shown below. The table also shows the relationship to <br />the soil types. Exhibit C shows the present vegetation cover and soil type distribution. <br />Cover <br />non-native pasture <1 <br />barren <1 <br />Dominant Vegetation Cover (%) Height' <br />Irrigated farmland: <br />smooth brome <br />100 <br />medium-tall <br />Non-native pasture: <br />cheatgtass 80 short-medium <br />tansy mustard 10 short-medium <br />Height: short (1 to 12 inches); medium (13 to 24 inches); tall (25 inches or taller) <br />Several soil types occur in the affected area of the proposed pit. According to the Soil Survey of Latimer <br />County Area, Colorado, the mapped soil units and their percent cover in the proposed pit are: <br />Mapped Unit Soil Type Percent Covet <br />22 Caruso clay loam, 0 to 1 % slopes <br />32 Fluvaquems, nearly level <br />36 Fort Colliers loam, 3 to 5% slopes <br />42 gravel pits <br />64 Loveland clay loam, 0 to 1 % slopes <br />81 Paoli fine sandy loam, 0 to 1%slopes <br />92 river wash <br />~~ Soi] type: from the Soil Conservation Service for Latimer County <br />~ffr. <br />f <br />~, <br />~' ~, <br />