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INPRODUCPION <br />Vegetation baseline studies were initiated in May, 1979 at Peabody Coal <br />Ccn~any's Seneca II Mine located 10 miles southeast of Hayden, Routt <br />County, Colorado. The study area encompassed approximately 2700 acres <br />at elevations ranging from 6700 to 8000 ft. The objectives of the study <br />included: <br />1. Measurement of baseline vegetation conditions. <br />2. Selection of reference (control) plots in accordance with 30 CFR <br />816.116 and as partial fulfillrrent of 30 CFR 779.19 of the <br />D.O.I. Office of Surface Mining, Reclamation and Rhforcernnt <br />Surface Coal Mining and Reclamation Operations Permanent <br />Regulatory Program. Selection of oontrol plots was also in <br />con~liance with the proposed Colorado Permanent Regulatory <br />Program of the Colorado Nlined Land Reclamation Board (C~'~II,RB) . <br />3. Identification and measurement of vegetative or environmental <br />situations such as areas of high soil selenium or noxious <br />weeds (as defined by the Colorado Noxious Weed Control Act) <br />that might affe~-~t the potential success of reclamation practices. <br />4. Identification of any threatened, rare, or endangered plant <br />species as described in 30 CFR 816.97 (b) of the D.O.I. Office <br />of Surface Mixing, Reclamation and Exforcement Surface Coal <br />Mining and Reclamation Operations Permanent Regulatory Program <br />or described by any other applicable federal or state laws, <br />rules and regulations governing threatened, rare, or endangered <br />plant species. <br />Vegetation parameters measured included production, cover, frequency, <br />species comg~osition, shrub height, tree density, tree dominance (basal <br />area), shrub and tree age, shrub density and vegetation type distribution. <br /><• <br />