REV10470

• Permit No: C1980003
• IBM Index Class Name: Revision
• Doc Date: 2/27/1998
• Doc Name: PH II/III BRA EXHIBIT 1
• From: VEGETATION STUDY FOR FINAL BOND RELEASE
• Type & Sequence: SL3
• Media Type: D
• Archive: No

• Table la. H-G Mine Absolute Percent Vegetation Cover Data for the Reclaimed Study Area
and Reference Areas, 1996.
Study Area
Reclamation Aspen Chokecherry Oak brush Sagebrush
Life Fotm/Species Area Reference Reference Reference Reference
Perennial Grasses and
Grasslike
Agropyron dasystachyum 1.1 - - - -
Agropyron intermedium 11.3 - - - -
Agropyron smithii 13.5 - 1.2 0.6 9.2
Agropyron spicatum - - - - 2.2
Agropyron trachycaulum 1.6 1.4 2.4 0.4 -
Bromus inermis 28.5 1.0 0.6 - 0.4
Bromus mazginatus 0.7 8.6 13.4 4.0 2.0
Elymus glaucus - 18.2 6.6 16.0 -
Koeleria cristata - - - - 6.6
• Phleum pratense 3.2 - 0.2 - -
Poa fendleriana 1.6
Poa pratensis 7.0 16.8 28.4 29.6 16.0
Sitanion hystrix - - - - 3.0
Stipa viridula - - 0.4 1.0 0.4
Other Per. Grass 1.3 - 0.8 0.4 1.0
Subtotal 68.2 46.0 54.0 52.0 42.4
Perennial Forb
Achillea millefolium 0.4 2.8 6.2 2.8 1.4
Agastache urticifolia - 5.2 4.4 2.6 -
Arnica spp. - 4.4 - - -
Aster adscendens 0.4 - 3.4 3.4 0.8
Astragalus cicer 8.0 - - - -
Astragalus miser - - - - 9.0
Balsamorhiza sagittata - - - 0.2 9.4
Castilleja lineariafolia - - - - 3.0
Delphinium occidentale - 1.6 - 0.8 -
Lathyrusleucanthus - 3.0 1.6 2.6 1.0
Lupinus argenteus - 0.4 2.4 1.6 1.4
•
Osmorhiza occidentalis 1.0 1.0 3.0
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