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• The greatest problem facing a revegetation program <br /> on the disturbed areas would appear to be the structure of <br /> the soils after being compacted by heavy machinery for <br /> several years . Chemical and physical data indicate few <br /> problems to be encountered otherwise . <br /> As indicated by Table III-G-7 , soils associated <br /> with the disturbed areas support a variety of vegetative <br /> communities . <br /> Vegetative studies indicate that the vegetation <br /> communities associated with the areas of surface disturbance <br /> within the permit area include the following predominant <br /> vegetative types : <br /> #1 portal . Vegetative types are Spruce/Fir Park- <br /> land and Aspen Woodland . <br /> Spruce/Fir Parkland is variable in the composition <br /> of the understory . Conifer parklands typically consist of <br /> dense clumps or islands of Engelman Spruce Picea engelmannii, <br /> Subalpine Fir Abies lassiocarpa, and Douglas-fir Pseudotsuga <br /> menziesii interspersed within open areas dominated by a <br /> large variety of shrubs and subshrubs , graminoids , and <br /> forbs . <br /> Aspen Woodland is dominated by a closed canopy (63 <br /> percent cover) of Quaking Aspen, with a predominatly herbaceous <br /> understory . The presence of scattered conifer seedlings <br /> suggests that this type is successional to coniferous <br /> forests , although apparently over long time periods . <br /> #2 portal . Vegetative types are predominantly <br /> Spruce/Fir Parkland . <br /> Spruce/Fir Parkland is discussed above . <br /> #3 portal . Vegetative community is predominantly <br /> Spruce/Fir Parkland . <br /> Spruce/Fir Parkland is discussed above . <br /> #4 portal . IVegetative community is predominantly <br /> . Sp.ruce/Fir Parkland . <br /> Spruce/Fir Parkland is discussed above . <br /> it -17- <br />