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Keenesburg Mine Total veg - 48.7% <br /> Sample Date: 8/17/88 Total cover - 88.0% <br /> Location sampled: Area C, 1986 West Area Bare soil - 12.0% <br /> Number of transects: 3 <br /> Warm season perennial grasses % Cover % Rel . Cover <br /> - Andropogon hallii 7— .5 <br /> - Bouteloua gracilis 2.0 4. 1 <br /> - Calamovilfa longifolia 3.3 6.8 <br /> - Panicum virgatum 11 .3 23. 2 <br /> - Sporobolus asper 0.7 1 .4 <br /> - Sporobolus cryptandrus 2. 7 5. 5 <br /> Cool season perennial grasses <br /> - Agropyron cr sstatum 4.0 8.2 <br /> - Agropyron intermedium --- --- <br /> - Agropyron smithii 4.7 9. 7 <br /> - Agropyron trachycaulum 3.3 6.8 <br /> - Bromus inermis 2.0 4. 1 <br /> - Oryzopsis hymenoides 1 .3 2.7 <br /> Perennial/Biennial Forbs <br /> actuca serrio a --- --- <br /> - Medicago sativa --- --- <br /> Annual Forbs (& Grasses) <br /> - unknown annual --- --- <br /> - Helianthus petiolaris 3.3 6.8 <br /> - Kochia scoparium --- --- <br /> - Salsola kali 7.3 15.0 <br /> X = 49 S = 5.8 Nmin = 0.6 (20% of true mean with 80% <br /> statistical confidence) <br />