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RPM,Inc.,25049 E.Alder Dr.,Aurora,CO 80016 Phone:(303)854-7499 Email:hlhumphries2(0 comcast.net <br /> EXHIBIT "J" <br /> 6.4.10 Vegetation Information: <br /> (a) Description of the present vegetation: <br /> This section describes what the ideal plant community, based on the soils units, is capable of. <br /> It is a meaningful representation; given the conversion application area is rangeland, in very <br /> good condition. <br /> There are five Ecological Site Descriptions for the proposed mining area. Soils Unit Fh is <br /> located in the northwest corner of the permit area is of only minor extent. Soils Unit Cr <br /> comprises about one-third of the proposed permit area. It is mostly located on the western <br /> slope of the terrace and is predominately clay, with minimal sand or gravel. It therefore will <br /> not be significantly impacted. <br /> The remaining three soil units, CyF, GeD, and Fo comprise the area of mining. We were able <br /> to locate Ecological Site Descriptions (ESD) for CyF and Fo. We were not able to find an <br /> ESD for soils unit GeD. We will assume the two available ESD's site information is adequate <br /> for soils unit Ged. <br /> (b-1) Describe the relationship of the present vegetation to the soils: <br /> Following is the relationship of the present vegetation to the soils for ESD R048BY235 CO <br /> (Soils Unit CyF which runs the full length of the permit area: <br /> Ecological dynamics <br /> The"bald"appearance of this range site is because of the absence of large shrubs.Grasses and cushion type <br /> forbs characterize the aspect. Important grasses are bluebunch and streambank wheatgrass, needle-and-thread, <br /> Junegrass, Indian ricegrass and blue grama. Cushion type and mat forming forbs and shrubs include fringed sage, <br /> low rabbitbrush, buckwheat,daisy, phlox,globemallow, pussytoes,nailwort and loco(Astragalus)are prominent. <br /> Percent ground cover for the plant community is approximately 25%. <br /> Few species invade this site and it is sparsely vegetated to nearly barren following prolonged overgrazing or other <br /> severe disturbances. <br /> 54 <br />