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RPM,Inc.,25049 E.Alder Dr.,Aurora,CO 80016 Phone:(303)854-7499 Email:hlhumphries2;a comcast.net <br /> Gravelly sandy loam to gravelly loam; light colored. Soils have a desert pavement-like rock cover. Fine to medium <br /> gravel to cobble on the surface. Topsoil is thin;subsoil is moderately to rapidly permeable. Low in fertility.All <br /> conditions contribute to restricted plant growth. <br /> Soils in this site are: <br /> Manbum <br /> Table 4.Representative soil features <br /> Parent material (1)Alluvium-sedimentary rock <br /> Surface texture (1)Cobbly loam <br /> (2)Gravelly coarse sandy loam <br /> Family particle size (1)Loamy <br /> Drainage class Well drained <br /> Permeability class Moderately slow to moderately rapid <br /> Soil depth 5-20 in <br /> Surface fragment cover<=3" 5-20% <br /> Surface fragment cover>3" 3-20% <br /> Available water capacity 1-2 in <br /> (Depth not specified) <br /> Soil reaction(1:1 water) 6.1-7.8 <br /> (Depth not specified) <br /> Subsurface fragment volume<=3" 10-25% <br /> (Depth not specified) <br /> Subsurface fragment volume>3" 3-20% <br /> (Depth not specified) <br /> (b-2) Describe the relationship of the present vegetation to the soils (ESD R048BY 231) <br /> This soils unit runs the full length of the property. <br /> Ecological dynamics <br /> Bluebunch wheatgrass usually grows north of the Colorado River and it is replaced functionally and structurally by <br /> Indian ricegrass south of the Colorado River.Pine needlegrass,needle and thread. prairie Junegrass.bottlebrush <br /> squirreltail,Nevada bluegrass now known as Sandberg bluegrass,muttongrass,and sedges contribute toward a <br /> rather sparse grassland appearance. <br /> Wyoming big sagebrush has a noticeable place on this site.Yellow rabbitbrush,snowberry,serviceberry,and bitter- <br /> brush may be present in small amounts. Low phlox,pussytoes, buckwheat,stonecrop and fringed sagewort are <br /> common. <br /> The following species are most likely to invade this site: tall rabbitbrush(rubber rabbitbrush). <br /> 55 <br />