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The azea is nearly flat with a gentle slope (<1°) to the north and east. Reclamation and <br />• coincident revegetation within this azea took place in 1986. Replaced soils were sandy in <br />texture. <br />Cool season graminoids dominated the 1986 reclamation azeas this season. Widely scattered <br />individuals of Yucca glauca (yucca) were encountered. Area 4 has two distinct vegetation <br />types. The topographically elevated azea at the north end of the pazcel is dominated by <br />Calamovilfa longifolia, Andropogon hallii and Schizachyrium scoparium (little bluestem). In <br />the lower azea, at the south end of this pazcel, Bromus marginatus dominates, with <br />contributions by the warm season grasses Panicum virgatum, Schiwchyrium scoparium, and <br />Andropogon hallii. Very few weedy species were observed. Total vegetation cover was <br />estimated at 40-45 percent. Total herbaceous production was estimated at 150 g/m2 (1337 <br />lb/ac). No evidence of pests or diseases was identified in any of the 1986 reclamation azea <br />parcels. <br />3.2.3 1987 RECLAMATION AREAS <br />The 1987 reclamation azea encompasses approximately 48 acres of reclaimed pit and adjacent <br />azeas in the south central azea of the Keenesburg Mine permit area. The 1987 reclamation azea <br />is composed of two pazcels (Areas 11 and 17) separated by a north-south haul road condor <br />and two narrow reclamation parcels (Areas 9, 10, and 16). The entire 1987 reclamation azea <br />is nearly flat with a gentle slope (<1°) to the south and east. Reclamation and subsequent <br />revegetation within this area took place in 1987. Replaced soils were generally sandy in <br />• texture. Area 9 was mowed in the autumn of 2004 to reduce standing litter. <br />The 1987 reclamation areas were visually dominated by cool season wheatgrasses, Bromus <br />margirratus, and Calamovilfa longifolia. An azea immediately adjacent to the undisturbed <br />range on the south is significantly drier and contains Yucca glauca and Artemisia frlifolia. <br />Vegetation cover was estimated at 55 percent. Overall herbaceous production in this azea <br />was estimated to be 175-200 g/m2 (1560-1783 Ib/ac). No evidence of pests or diseases was <br />identified in this azea. <br />3.2.4 2000 RECLAMATION AREAS <br />Two former haul road corridors were seeded to the permanent seed mix in 2000, the corridor <br />(Area 19) between Areas 11-13 and 20 and 22, and the condor (Area 6) southeast and east <br />of the 1987 east pazcel. Both azeas were interseeded in 2003 to the perennial revegetation <br />mix. <br />In several locations within both areas, significant perennial graminoid growth was present, <br />particulazly Bouteloua gracilis and Panicum virgatum. In azeas bordering native range, <br />annuals (Kochia scoparia and Bromus tectorum) dominated. As noted last season, Kochia <br />scoparia serves as a cover crop and moisture holder (particularly snow) for perennial <br />graminoids, providing shade and desiccation protection for developing perennial graminoids. <br />Total vegetation cover was estimated at 35 percent. Total herbaceous production was <br />• estimated to be between 75 and 100 g/mZ (668-891 lb/ac). No evidence of pests or diseases <br />was identified in this azea. <br />Coors Energy Company Page 14 <br />2004 Revegetation Monitoring Report <br />