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Table 4. Native grass, fort, and shrub seed mixtm~e (seed mix #4) for demonstration plots at the Seneca <br />Mine. <br /> <br />Agropyron spicalum Bluebunch wheatgrass L0 <br />Bromus marginalur Mountain brome 1.0 <br />Agropyron trachycaulum Slender wheatgrass 1.0 <br />Poa ampla Big bluegrass 1.0 <br />Fofis <br />Balsamorhiza sagittata Arrowleaf balsamroot 1.0 <br />Lupimts alpestris Mountain lupine 1.0 <br />Lirmm lewisii Lewis flax 1.0 <br />Penstemon pa[meri Palmer penstemon 0.5 <br />Penstemon sMctus Rocky Mountain penstemon 0.5 <br />Shrubs <br />Purshia tridentata Antelope bitterbrosh 3.0 <br />Amelanchier utahensis Serviceberry 3.0 <br />Symphoricarpos albus Snowberry 3.0 <br />Rosa woodsii Woods rose 2.0 <br />Ribes aureum Golden currant 2.0 <br />Prumcr virginiarra Chokecherry 4.0 <br />TOTAL 25.0 <br />rle 5. Native shrub <br />for <br />clots at the Seneca Mine. <br />in <br />Shrubs: <br />Purshia tridentata <br />Amelanchier utahensis or alnifolia <br />Symphoricarpos oreophilus <br />Rosa woodsii <br />Ribes aureum <br />Prumrs virginiana <br />Forbs: <br />Balsamorhiza sagitlata <br />Lupinus alpestris <br />Lirrum lewisii <br />Penstemon palmeri <br />Penstemon sMctus <br />TOTAL <br />Soil Analyses <br />Antelope bitterbrush 3.0 <br />Serviceberry 3.0 <br />Snowberry 3.0 <br />Woods rose 2.0 <br />Golden curratd 2.0 <br />Chokecherry 4.0 <br />An•owleafbalsamroot 1.0 <br />Mountain lupine 1.0 <br />Lewis flax 1.0 <br />Palmer penstemon 0.5 <br />Rocky Mountain penstemon 0.5 <br />• <br />In order to establish the suitability of the demonstration sites and treatments for plant growth, <br />composite soil samples were collected from each demonstration plot on April 25 and 26, 2001 and <br />analyzed at the Soil, Plant and Water Testing Lab at Colorado State University. <br />Overall, the soils (topsoil and spoil) at all three mine sites have good physical and chemical <br />properties (Tables 6-8). At Colowyo, soil pH ranges from 7.5 to 7.8, macronutrients appeaz to be <br />adequate for sustained plant growth, organic matter contents are relatively high (3.7°J° to 4.8%), salt levels <br />I1 <br />