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r~ INTRODUCTION . <br />Throuehout this century, the mountain; and foothill; of southern <br />r <br />Colorado have yielded the raw materials for the production of steel products <br />by the CFI Steel Corporation. Procurrina these materials has created areas <br />of disturbance related to the mining operations, and until recently these <br />disturbed areas were revegetated only through natural succession. This <br />study examines revegetation techniques on the waste material present at <br />three mines operated by CF&I Steel Corporation. <br />The Allen Mine, near Trinidad, is active in the deep mining of coal. <br />r Studies were established there in 1976 on coal slack dumps in the Purgatoire <br />J River Valley. The Canon City Dolomite Quarry, near Canon City, and the <br />j Monarch Limestone Quarry at Garfield, are both active in the quarrying o` <br />blast `ornate fluxstones. At both loeatiens, study plots were established <br />in 1976 on coarse, barren waste material. The elevation, precipitation and • <br />~ lifezone of each operation is contained in Table 1, <br />The objective of the studies is to determine possible methods and <br />materiais for successful establishment of functional and diverse oiant <br />communities on the mine wastes. <br />i <br />Table 1. Locations, elevation, precipitation, and life zones of the three <br />study areas. <br />Material Elevation Precipitation Life Zone <br />Operatics Mined (mj (cm~ <br />Canon City Cuarry Golomite 1°30 31.5 Pinyon-~unirer <br />Allen Mine Coal 2250 51 ?onderosa oine- <br />Douglas fir <br />~ Monarch Ouarry Limestone 2625 102.0 Subaipine • <br />