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Keenesburg Mine Total Vegetation - 26.4 <br /> Sample Date - 9/21 /88 Total Cover - 83.6 <br /> Location Sampled - Valent Sand Fenced Bare Soil - 16.4 <br /> Reference Area <br /> Number of Transects - 5 <br /> Warm Season Perennial Grasses % Cover % Rel Cover <br /> - Andropogon hallii 2.4 9.1 <br /> - Bouteloua gracilis 0.8 3.0 <br /> - Calamovilfa longifolia 0.4 1 .5 <br /> - Sporobolus cryptandrus -- -- <br /> Subtotal 3.6 13.6 <br /> Cool Season Perennial Grasses <br /> - Agropyron smithii 1 .6 6.1 <br /> - Oryzopsis hymenoides -- -- <br /> - Stipa comata 1 .2 4.5 <br /> Subtotal 2.8 10.6 <br /> Annual Forbs and Grasses <br /> - Ambrosia psilostachya 0.4 1 .5 <br /> - Bromus tectorum 8.4 31 .8 <br /> Subtotal 8.8 33.3 <br /> Shrubs <br /> - Artemisia filifolia 11 .2 42.4 <br /> A = 26.4 S = 99 Nmin = 5.8 (20% of true mean, with <br /> 80% statistical confidence) <br /> MH/es q. Y ? <br /> 0384E <br />