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University 'of Colorado Museum. Weedy species were determined using Thornton <br />• et al., 1974. The authority for scientific names came from Weber and Johnston, <br />1976. Common names are from Nickerson et al 1976. <br />Affected Area Sample Design <br />The proposed waste disposal site is the only area to be affected by <br />currently proposed mining activities. <br />Sample locations were chosen by gridding a map (scale: 1"=500') with N-S <br />• <br />• <br />and E-W lines, and randomly plotting points obtained from an HP25 calculator <br />random numbers generator program. Points were located in the field by pacing <br />from a known location. All points were generated before any samples were <br />taken. <br />Reference Area Locations <br />Current mining activities have disturbed acreage in both mixed shrub and <br />pinon-juniper vegetation types. Reference areas for these types have been <br />established and meet the following criteria: 1) are located in areas not to <br />be affected during the life of the mine; 2) are at least three acres or more <br />in size; 3) are of similar vegetation as areas currently affected or to be <br />affected in the future by OVM; 4) represent a diversity of slope, aspect and <br />soils similar to the veyetation types affected. <br />Reference Area Sample Design <br />The quantitative sampling designs for the reference areas follow the same <br />procedures as those for the affected area. <br />-2- <br />