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<br />Table 6. TRENDS IN COVER FOR THE RECLAIMED AREA AT <br />PROJECT SITE. BASED ON DATA COLLECTED IN <br />AND 1991. MEAN COVER VALUES ARE IN PERCENT. <br />Species 1989 1990 1991 <br />Sample Size 20 20 20 <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron daeyetachyum 7.40 15.20 8.70 <br />Agropyron smithii 1.90 2.70 1.10 <br />Agropyron spieatum 0.00 <0.01 <0.01 <br />Agroetis ecabra 0.00 <0.01 0.00 <br />Deechampeia caeepitoea 0.00 <0.01 0.00 <br />Hordeum brachyantherum 0.00 0.10 0.00 <br />Hordeum jubatum 0.00 <0.01 <0.01 <br />Oryzopeie hymenoides 0.00 <0.01 <0.01 <br />Poa ample 0.70 0.00 0.00 <br />Stipa viridula 2.10 1.00 <0.01 <br />Subtotal 12.10 19.00 9.80 <br />INTRODUCED PERENNIAL GRASSES <br />Agropyron crietatum 0.00 <0.01 0.00 <br />Alopecurue pratensie 0.00 2.10 <O.01 <br />Elymue junceue 0.20 2.90 2.80 <br />Festuca ovine 0.00 1.50 2.00 <br />Poa pratensie 0.00 0.10 <0.01 <br />Subtotal 0.20 6.60 4.80 <br />ANNUAL GRASSES <br />Bromus tectorum 0.00 <0.01 0.00 <br />Subtotal 0.00 <0.01 0.00 <br />PERENNIAL FORBS <br />Achillea lanuloea 0.10 <0.01 <0.01 <br />Aatragalus titer 0.00 0.10 0.00 <br />Aatragalus craesicarpus 0.00 <0.01 0.00 <br />Aatragalus kentrophyta 0.00 0.00 <0.01 <br />Erysimum aeperum 0.00 <0.01 0.00 <br />Penetemon etrictus 0.00 <0.01 <0.01 <br />Aumex salicifolius 0.00 0.00 <0.01 <br />Subtotal 0.10 0.10 <0.01 <br />ANNUAL AND BIENNIAL FORBS <br />Carduus nutane esp.macrolepis 0.00 0.00 <0.01 <br />Chenopodium atrovirena 1.10 <0.01 <0.01 <br />Chenopodium berlandieri 3.10 1.80 0.00 <br />Chenopodium pratericola 0.00 0.00 0.00 <br />Deecurainia richardeonii 0.00 <0.01 0.00 <br />THE WALDEN COAL <br />JULY, 1989, 1990, <br />