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Colowyo Coal Company <br />20107Annual Reclamation and Hydrology Report <br />• <br />Figure 4-1 - Colowyo Reclamation Seed Mixture Tables <br />Table 2.05-7 <br />Colowyo Reclamation Seed Mixture <br />• <br /> <br />Grass Species All Species -Average <br />Origin Seeds/Sq. Ft. <br />Seeds/Ac <br />Seeds/Lb Broadcast Spp. <br />PLS Lb/Ac Drilled Spp. <br />PLS/Sq. Ft.* <br />PLS/DF** <br />Bromopsis marginatus/Mountain Brome N 1.0 43,560 90,000 0.48 NA 0.06 <br />Elymus lanceolatus ssp. Lanceolatus. <br />Thickspike Wheatgrass N 1.2 52,272 154,000 0.34 NA 0.07 <br />Elymus lanceolatus ssp. Psammophilus/ <br />Streambank Wheatgrass N 1.2 52,272 156,000 0.34 NA 0.07 <br />Elymus lanceolatus ssp. Trachycaulusl <br />Slender Wheatgrass N 1.8 78,408 159,000 0.49 NA 0.10 <br />Festuca samimontana/Rocky Mountain Fescue N 1.5 65,340 680,000 0.10 1.50 NA <br />Leymus cinereus/Basin Wildrye N 0.6 26,136 130,000 0.20 NA 0.04 <br />Pascopyrum smithii/Western Wheatgrass N 2.0 87,120 110,000 0.79 NA 0.12 <br />Poa amplaJBig Bluegrass N 1.0 43,560 882,000 0.05 1.00 NA <br />Pseudoraegneria spicata ssp. lerme/ <br />Beardless Bluebunch Wheatgrass N 1.8 78,408 117,000 0.67 NA 0.10 <br />Total Grasses N 12.1 527,076 3.5 <br />* Pure Live Seed per square foot for species to be Broadcast Seeded from open drill drop tubes <br />** Pure Live Seed per inch of drill furrow for species to be Drill Seeded (assumes 8-inch furrow spacing <br /> All Species -Average Broadcast Spp. Drilled Spp. <br />Forb Species Origin Seeds/Sq. Ft. Seeds/Ac Seeds/Lb PLS Lb/Ac PLS/Sg. Ft.* PLS/DF** <br />Achillea millefolium/Western Yarrow N 2.5 110 642 2 770,000 0.04 2.5 NA <br />Aster chilensis (Virgulaster ascendens)/ N 1.0 43,560 2,668,000 0.02 1.0 0.06 <br />Pacific Aster <br />Artenisia ludoviciana/Pasture Sage N 0.8 34,848 33,600 1.04 NA 0.05 <br />Astragalus titer/Cicer Milkvetch N 1.0 43 560 145 000 0.30 1.0 0.06 <br />Linum lewisii/Lewis Flax N 0.6 26,136 293,000 0.09 NA 0.05 <br />Onobrychis viciaefolia/Sanfoin N I 0 43 560 30 000 1.45 NA 0.06 <br />Penstemon palmeri/Palmer Penstemon N 0.8 34 848 610 000 0.06 0.8 NA <br />Penstemon strictus/Rocky Mountain <br />Penstemon N 0.8 34,848 592,000 0.06 0.8 NA <br />Total Forbs 8.5 372,002 3.05 <br />* Pure Live Seed per square foot for species to be Broadcast Seeded from open drill dmp tubes <br />** Pure Live Seed per inch of drill furrow for species to be Drill Seeded (assumes 8-inch furrow spacing <br />Artemisiatridenta vaseyanalMountain Big N 1.1 47,916 2,500,000 0.02 1.1 NA <br />Sa oPh„ ~~h <br />NA <br />Ceratoides lanata/Winterfat N 0.7 29,185 56,700 0.51 NA u.u4 <br />Chrysothamnus nauseosus/Rubber N 0.4 17,424 400,000 0.04 0.4 NA <br />Rabbitbrush <br />Purshia tridentate/Antelope Bitterbrush N 1.0 43 560 15 000 2.90 NA 0.06 <br />Rosa woodsii/Wood's Rose N 0.5 21,780 45,300 0.48 NA 0.03 <br />Symphoricarpos rotundifolius/Mountain N 1.0 43,560 75,000 0.58 NA 0.06 <br />Total Subshrubs and Shrubs <br />8.6 372,438 <br />* Pure Live Seed per square foot for species [o be Broadcast Seeded from open drill drop tubes <br />** Pure Live Seed per inch of drill furrow for species to be Drill Seeded (assumes 8-inch furrow spacinp~ <br />All Species -Average <br />~ Seeds/Sq.Ft. <br />TOTAL FOR MIX 29.2 <br />7.13 3.40 0.31 <br />PLS Lb/Ac <br />13.64 <br />Page 4-2 <br />All Species -Average Broadcast Spp. Drilled Spp. <br />Subshrub and Shrub Species Origin Seeds/Sq. Ft. Seeds/Ac Seeds/Lb PLS Lb/Ac PLS/Sq. Ft.* PLS/DF** <br />Amelanchier ainifolia/Saskatoon N 1.0 43,560 25,800 1.69 NA 0.06 <br />