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2011-08-31_REVISION - M1977300
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2011-08-31_REVISION - M1977300
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Last modified
8/24/2016 4:42:48 PM
Creation date
11/8/2011 12:46:45 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977300
IBM Index Class Name
REVISION
Doc Date
8/31/2011
Doc Name
Phase 1 Biological Assessment.
From
IRIS Mitigation and Design, Inc.
To
Cotter Corporation
Type & Sequence
TR18
Email Name
DB2
Media Type
D
Archive
No
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Common Name <br />Scientific Name <br />Wild rose <br />Rosa woodsii <br />Snowberry <br />Symphoricarpos occidentalis <br />Coyote willow <br />Salix exigua <br />Currant <br />Ribes spp. <br />Bluestem willow <br />Salix irrorata <br />Whiplash willow <br />Salix lasiandra <br />Chokecherry <br />Prunus viginiana <br />Wild plum <br />Prunus americana <br />Red -osier dogwood <br />Corpus sericea <br />3 -leaf sumac <br />Rhus trilobata <br />Mountain maple <br />Acer glabrum <br />Alder <br />Alnus incana <br />Wild rose <br />Rosa woodsii <br />Red hawthorne <br />Crataegus rivularis <br />IRIS <br />MITIGATION AND DESIGN, INC. <br />SCHWARTZWALDER MINE PHASE 1 - UPSTREAM CUTOFF WALL AND LOW FLOW BYPASS <br />PIPELINE - BIOLOGICAL ASSESSMENT <br />The area will be ripped and seeded with a combination of the wetland /transitional area <br />seed mix from Tables 3 and 4 and will be planted with riparian area shrubs as listed on <br />Table 7 in clumps of 3 to 5 approximately 10 feet on center (70 riparian shrubs total) <br />and mulched. Seeding and planting locations will be reviewed and approved by the <br />Project Biologist before work can commence. <br />Table 7 <br />Riparian Shrubs for Mitigation Plan <br />o The second and third mitigation areas as shown on Figure 11 total 0.03 acre of <br />riparian mitigation and involve removal of larger rocks and mine related construction <br />debris, excavation of approximately 6 inches of soil, and re- establishment with 6 <br />inches of topsoil (see Appendix B, Photos 27 and 28). The areas will then be ripped <br />and seeded with a combination of the wetland /transitional area seed mix from Tables 3 <br />and 4 and will be planted with riparian area shrubs as listed on Table 7 in clumps of 3 <br />to 5 approximately 10 feet on center (50 riparian shrubs total for the two areas) and <br />Page 15 <br />August 2011 <br />
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