REP39098

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/12/2001
• Doc Name: 2000 ARR & AHR EXHIBIT 4 REVEGETATION MONITORING
• Permit Index Doc Type: Annual Reclamation Report
• Media Type: D
• Archive: No

Kennecott Energy, Colowyo Coal Company, L.P.
2000 Revegetation Monitoring Data
East and West Pits and Section 16 Reclaimed Areas
Herbaceous Cover
ENNIAL GRASS
iathemm hymenoides
pyron dasystachyum
pyron intermedium
pyron riparium
pyron sibedcum
pyron smithii
~PYron species
pyron spicatum
pyron trachycaulum
pyron trtchophorum
pus inarmis
ws marginatus
1us species
ylis glomerate
sus cinereus
sus junceus
uca ovine
uca species
Isom jubatum
Sella visidula
um pretense
pratensis
subtota
East Pit 8
West Pit Seetion 16
1996 1998 1996 1998
0.20 1.27 0.07 0.33
3.73 3.60 6.40 0.80
9.67 7.93 11.73 1.13
0.53 0.47 0.07 0.00
2.93 5.47 1.80 0.07
2.33 1.93 3.20 0.93
0.27 2.40 0.07 0.00
0.07 0.40 0.00 0.00
2.40 3.20 3.33 2.47
1.67 1.13 1.07 0.07
3.13 2.07 4.73 0.87
3.53 5.27 4.87 18.40
0.07 2.20 D.00 0.00
4.40 1.47 4.07 0.80
0.67 0.53 0.47 0.07
0.20 0.00 0.60 0.20
0.33 0.27 0.13 0.00
0.27 0.13 0.13 0.00
0.00 0.07 0.00 0.07
0.00 0.07 D.00 0.07
1.87 0.60 1.00 0.53
6.47 5.13 13.27 5.00
44.73 45.60 57.00 31.80
PERENNIAL FORB
Achilles millefolium 6.93 0.60 6.47 0.80
Ailium textile 0.00 0.00 0.07 0.00
Astragalus ricer 14.80 1.60 7.80 0.80
Ceratoides Janata 0.27 0.00 0.07 0.00
Grtndelia squarrosa 0.33 0.80 0.27 1.20
Linum lewisii 5.27 1.47 2.67 2.80
Marrubium vulgare 0.07 0.00 0.00 0.00
Medicago saliva 1.60 0.07 0.33 0.00
Onobrychis viciaefolia 0.20 0.00 0.00 0.33
Penstemon Palmeri 0.13 0.00 0.00 0.00
Penstemon species 0.27 0.00 0.00 0.27
Perideridia gairdnert 0.00 0.07 0.00 0.07
Taraxacum officinale 0.00 0.00 0.00 0.13
Vcia amertcana 0.00 0.00 0.67 0.27
Other 0.13 0.00 0.00 0.33
subtotal 30.00 4.60 18.33 7.00
odium bedandied
odium murals
undulatum
vulgar
~ssum officinale
iinia sophia
serriola
omidentalis
um douglasii
um eredum
ibertw
arvense
igon dubius
subtota
June, 2000
East Plt 8 West
Pit Section 16
1996 1998 1996 1998
1.00 6.07 0.20 0.40
1.27 6.13 1.00 9.13
0.00 0.00 0.07 0.67
0.00 0.07 0.07 0.33
0.07 0.00 0.00 0.00
0.20 0.73 0.20 1.33
0.07 0.07 0.00 0.33
0.00 0.27 0.00 0.00
0.20 0.13 0.27 0.33
0.00 0.00 0.00 0.07
0.07 0.07 0.13 0.33
0.00 0.00 0.13 1.47
0.00 1.73 0.13 13.40
0.13 2.33 0.27 2.33
0.07 0.07 0.07 0.13
3.07 17.67 2.53 30.27
SHRUBS/SUBSHRUBS
Amelanchier alnifolia 0.00 0.00 0.00 0.07
Artemisia abrotanum 0.00 0.00 0.00 0.13
Artemisia fdgida 0.27 0.20 0.20 0.07
Artemisia ludoviciana 0.00 0.00 0.13 0.07
Artemisia tridentate 0.40 0.20 0.13 0.20
Atrtplex canescens 0.20 0.00 0.00 0.00
Rasa waadsii 0.07 0.00 0.00 0.00
Elaeagnus angustifolia 0.07 0.00 0.00 0.00
Symphortcarpas oreaphilus 0.20 0.20 0.07 0.20
subtotal 1.20 0.60 0.53 0.73
NOXIOUS WEEDS
Cirsium arvense 1.67 0.07 0.87 1.27
Litter 16.33 20.33 16.00 19.07
Rock 1.27 1.73 0.60 0.47
Bare 4.00 8.80 4.80 7.60
x = 79.50 69.27 78.60 71.40
~a' 1.35 1.35 1.35 1.35
S = 57.12 88.78 48.80 63.40
N = 15 15 15 15
Nmin ° 1.6 1.43 1.43 2.25