PERMFILE134065

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: TAB 09 ATTACHMENT 9-8 SOIL BASELINE STUDY AND TOPSOIL HANDLING PLAN
• Media Type: D
• Archive: No

•
TABLE 9-8-1
Soil Types, Proposed Disturbance Areas, Projected
Topsoil Ouanti ties, and Topsoil Characteristics Within the
North Wa dge Deadhead Area
Seneca II Mine, Routt County, Colorado
i
m
N
a
0
r
0
m
Mapping Unit Affected Topsoil Salvage
Designation Area Thickness Volume
(Sy mbol) (Name, Slope) (Acres) (Feet) (Ac.Ft.) Limitations
(1)
2VE Routt silty clay loam, 20-40~ slopes 0.38 1.5 0.57 high subsoil clay level, acid pH values
XBE Wi neveda-Splitro silt loam complex,
20-40~ slopes 16.43 1.5(1) 24.65 shallow to moderately deep sandstone bedrock
25E Binco-Aaberg silty clay complex,
20-40~ slopes 0.98 0.5 0.49 high clay level throughout profiles
(1)
53E Wineveda silt loam, 20-40~ slopes 2.57 2.0 5.14 moderately deep sandstone bedrock
(1)
66E Skylick silt loam, 20-40@ slopes 8.54 4.0 34,16 none
TOTAL
28.90(2)
1(2)
1
Tlie topsoil salvage depth figure accounts for 1) topsoil loss during salvage due to brush clearing, 2) steep slopes, and/or 3) unsuitable topsoil
inclusions such as sandstone or shale outcrops and coarse fragment contents exceeding 35 to 40@.
2Mean topsoil salvage depth is 2,2 feet.