2009-11-10_PERMIT FILE - C1991078

• Permit No: C1991078
• IBM Index Class Name: Permit File
• Doc Date: 11/10/2009
• Doc Name: Revegetation Evaluation - Oct 2009
• Section_Exhibit Name: Exhibit 05 Vegetation Information
• Media Type: D
• Archive: No

Table 2 Hamilton - Vegetation Cover - 2009
Average Plant Cover Summary
Percent Ground Cover Based on Point - intercept Sampling
Hamilton
Adjacent
Sagebrush
Grassland
Sagebrush
Grassland
Area ->
Reveg
Reference
Area
Ref. Area -
South
Ref. Area -
South
Ref. Area -
North
Ref. Area -
North
Grasses and Grass -likes
Nw P Aristida purpurea Purple Threeawn
-
-
-
-
0.40
-
Nw P Bouteloua gracilis Blue Grama
4.70
2.50
1.60
6.80
9.80
0.60
I A Bromus tectorum Cheatgrass
- - -
4.15
0.90
-
0.60
-
1.60
-----------
- - --- -__ -- - -.... --------------- - - - - -- -- -- --------- - - - - --
Nw P Hilaria jamesii James' Galleta
-- - -. - -. -
0.35
1.60
-
0.40
1.80
1.00
N P Oryzopsis hymenoides Indian Ricegrass
2.05
1.50
0.40
-
-
-
N P Sitanion hystrix Bottlebrush Squir reltail
- - - - - - -- ----- - ........._ _ _------------------
1.50
0.80
0.40
1.40
-
-- -- -- --- --- - ----- - - - - -- - - - - -----------------------
Nw P Sporobolus airoides Alkali sacaton
1.15
0.70
-
- - - --
-
- - - - --- --- - - - - --
-
-------- - -.... ...
-
N P Stipa comata Needle and Thread
7.25
1 2.20
1 1.80
1 14.80
3.20
14.20
Forbs
I P Astragalus cicer Chickpea Milkvetch
0.45
-
-
-
-
-
N P Eriogonum sp. Buckwheat
-
-
-
0.20
-
-
I A Erodium __ cicutarium Redstem Stork'
2.85
0.40
-
-
0.20
-
- - - -- - - - - - -- _-----
N P Happlopappus sp. Happlopappus sp.
-- ------------ - - - - --
-
-------- - - - - -- -
-
------------- - - - - --
-
------ - - - - --
-
----------- - - - - --
-
----- - - - - --
0.20
N A Lappula redowskii Flatspine Stickseed
0.05
-
-
-
-
-
N P Phlox longifolia Longleaf Phlox
0.10
0.20
-
0.60
-
-
.. _- --- ---------- -------- - - - - -- ------------------------------------- --------------- - - - ---
I A Salsola kali Russian Thistle
-
- - - - - - - - - - --
1.30
-------------- - - - - --
-
--------------- - - - - --
-
-- --------- --- - - - - --
-
--------------- - - - - --
-
-------------------
-
I A/B Sisymbrium altissimum Tall Tumblemustard
0.10
-
-
-
-
-
N P Sphaeralcea coccinea Scarlet Globemallow
3.20
-
-
1.40
-
0.60
Shrubs, Cacti & Trees
N P Artemisia tridentata var. wyo. Wyo. Big Sagebrush
1.60
8.20
15.60
-
2.20
0.80
N P Atriplexcanescens Fourwing saltbush
5.30
0.10
-
-
-
N P Atriplexgardneri Saltbush
0.05
-
-
-
-
-
- --- - - ---- ---------- -- -- �- ----- - - - - - - -- . -...
N P Krascheninnikovia lanata Winterfat
2.45
-
-
-
-
-
N P Goderrezia sarothrae Broom Snakeweed
-
-
0.60
-
0.60
-
N P Opuntia polyacantha Prickly -Pear
- 1
0.40 1
- 1
0.20 1
0.20
-
Total Plant Cover
38.60
19.50
20.40
25.00
19.80
19.00
Rock
2.15
1.60
0.20
2.00
7.60
3.80
Litter
22.05
27.70
31.40
30.20
34.40
22.60
Bare ground
37.20
51.20
48.00
42.80
38.20
54.60
Total Perennial Coverl 30.15 1 18.20 1 20.40 1 24.40 1 19.60 1 17.20
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CEDAR CREEK ASSOCIATES, Inc. Page 13 Hamilton Mine - Revegetation Evaluation - 2009