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<br />1987 RECLAMiATION AREA <br />The 1987 Reclamation Area encompasses approximately 44 acres of reclaimed pit in <br />the south central azea of the Keenesburg Mine permit azea. The 1987 Reclamation <br />Area is composed of two parcels (west and east) separated by a north-south haul road <br />comdor. This area is nearly flat with a gentle slope (< 1 °) to the south and east. <br />Reclamation and coincident revegetation within this azea took place in 1987. Replaced <br />soils were generally sandy in texture. Specific sampling information for the 1987 <br />Reclamation Area is contained in Table 5 and Table 9. <br />Vegetation Cover <br />Total vegetation cover of the 1987 Reclamation Area was 26.80 percent. Based on <br />cover sampling, graminoids provided 21.80 percent mean cover (79.88% relative <br />cover), forbs accounted for 4.00 percent mean cover (13.613'o relative cover), <br />succulents provided 0.4 percent mean cover (2.37% relative cover), and shrubs <br />represented 0.6 percent mean cover and 4.14 percent relative cover. <br />There were two co-dominant plant species in the 1987 Reclamation Area in 1997; <br />Calamovilla longifo/ia with 5.60 percent mean cover (23.67% relative cover) and <br />• Bromus marginatus with 6.60 percent mean cover and 21.89 percent relative cover. <br />Additional significant species included; Bouteloua gracilis with 3.60 percent mean <br />cover and 14.20 percent relative cover, Ambrosia psilostachya providing 1.80 percent <br />total cover and 7.10 percent relative cover, Agropyron cristatum at 1.80 percent mean <br />cover (5.92% relative cover), Sporobolus cryptandrus with 1.80 percent total cover <br />(5.33% relative cover), Erigeron be/lidiastrum (daisy) with 1.60 percent mean cover <br />(4.73% relative cover), Andropogon hallii with 1.20 percent total cover (5.33% <br />relative cover), Artemesia Blifolia with 0.60 percent total cover (4.14% relative cover), <br />and Agropyron smithii with 1.20 percent total vegetation cover (3.55% relative cover). <br />Vegetative litter (prior yeazs growth, dead wood, and other biologic organic material) <br />comprised 59.80 percent ground wver within the 1987 Reclamation Area. Baze soil <br />comprised 13.40 percent of the ground cover. No rock was encountered during the <br />cover sampling in the 1987 Reclamation Area. <br />Herbaceous Production <br />Total herbaceous production within the 1987 Reclamation Area was the second highest <br />recorded in 1997, with a value of 79.57 g/m2 (709.3 lb/ac). As in all areas sampled, <br />perennial grasses dominated herbaceous production, contributing 72.44 g/m2 (645.7 <br />]b/ac) or 91.0 percent of total herbaceous production. No annual grasses contributed to <br />• herbaceous production in this area. Perennial forbs were present in the production <br />sampling in this area and contributed 5.20 g/m2 (46.4 lb/ac), accounting for 6.5 <br />-la <br />