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• 1.0 INTRODUCTION <br />Pueblo Coal is developing a surface coal mine Ithe Carbon Junction Minel on <br />a 537 acre site in La Plata County, Colorado, about 1.5 miles southeast of <br />Durango. Approximately 225 acres of landscape will be temporarily disturbed <br />with the mining operations, shop and mine facilities, and development of roads, <br />topsoil stockpiles, and sediment control ponds. <br />The studies reported here were conducted by Western Resource Development <br />IWRD) for Pueblo Coal in the Pinyon-Juniper Woodland and Mountain Shrubland <br />vegetation types, as well as a variant of Pinyon-Juniper Woodland that occurs <br />on bare sandstone and extremely shallow soils over sandstone and is referred <br />to here as the Caprock unit or phase. Another community of the affected area, <br />consisting of an old field, was sampled previously (September 1982) by Pioneer <br />Engineering and Pueblo Coal with technical assistance from WRD. The results <br />of the old field characterization have been submitted to Colorado Mined Land <br />Reclamation Division ICMLRDI previously. <br />During this study, the vegetation types were mapped, and quantitative data <br />were collected for vegeTation cover, herbaceous production, shrub density <br />and height, and tree density for all vegetation types and reference areas. <br />Reference areas were established for the Mountain Shrubland and Pinyon-Juniper <br />Woodland vegetation types. <br />C~ <br />• <br />-1- <br />