2010-05-07_PERMIT FILE - C2009087 ‎(14)‎

• Permit No: C2009087
• IBM Index Class Name: Permit File
• Doc Date: 5/7/2010
• Doc Name: Soils Information
• Section_Exhibit Name: Exhibit 2.04.9-E1 Soils Information
• Media Type: D
• Archive: No

• with no erosion in the vicinity of the sample site location.
Al horizon — 0 to 8 inches; very dark grayish brown (10YR 3/2) loam, very dark brown
(10YR 2/2) moist; moderate medium granular structure; soft, very friable, slightly sticky and
slightly plastic consistence; common medium, fine, and very fine, and few coarse roots;
noneffervescent; from lab data: pH =8.8 (strongly alkaline), EC =0.2 (nonsaline), SAR =0.4
(nonsodic), OM =17.7% by weight -loss on ignition; gradual smooth boundary.
A2 horizon — 8 to 16 inches; dark grayish brown (10YR 4/2) loam, very dark grayish brown
(10YR 3/2) moist; moderate medium granular structure; slightly hard, friable, slightly sticky
and slightly plastic consistence; common medium, fine, very fine, and few coarse roots;
noneffervescent; from lab data: pH =5.7 (moderately acid), EC =0.2 (nonsaline), SAR =0.4
(nonsodic), OM =4.1 %; gradual wavy boundary.
A3 horizon — 16 to 25 inches; dark grayish brown (10YR 4/2) clay loam, very dark grayish
brown (10YR 3/2) moist; moderate medium subangular blocky structure; slightly hard,
friable, sticky and plastic consistence; common to few fine and very fine and few medium
and coarse roots; noneffervescent; from lab data: pH =5.7 (moderately acid), EC =0.2
(nonsaline), SAR =0.6 (nonsodic), OM =2.7 %; gradual wavy boundary.
Btl horizon — 25 to 34 inches; grayish brown (10YR 5/2) clay (46% clay), dark grayish
brown (10YR 4/2 moist); moderate medium subangular blocky structure; hard, firm, sticky
• and plastic consistence; few fine and very fine roots; noneffervescent; from lab data:
pH =5.7 (moderately acid), EC =0.2 (nonsaline), SAR =0.9 (nonsodic), OM =2.8 %; gradual
wavy boundary.
Bt2 horizon — 34 to 46 inches; light brownish gray (10YR 6/2) clay (52% clay), grayish
brown (10YR 5/2) moist, with strong brown (7.5YR 5/6) mottles; depth interval very moist;
moderate medium subangular blocky structure grading to massive structure; very hard,
very firm, sticky and plastic consistence; noneffervescent; from lab data: pH =6.1 (slightly
acid), EC =0.4 (nonsaline), SAR =1.3 (nonsodic), OM =2.6 %; gradual wavy boundary.
C horizon — 46 to 60 inches; dark grayish brown (10YR 4/2) loam, very dark grayish brown
(10YR 3/2) moist, with common high and low chroma mottles; depth interval very moist;
massive structure; very hard, very firm, sticky and plastic consistence; noneffervescent;
from lab data: pH =7.4 (slightly alkaline), EC =0.9 (nonsaline), SAR =2.0 (nonsodic),
OM =0.8 %; gradual wavy boundary; paralithic clay shale below 60 inches.
3.3.2 Map Unit 10D: Binco clay. 10 to 20% slopes
Binco was recently re- correlated to the Impass soil series but the Binco name is
retained for potential surface - affected areas within the Sage Creek Mine project
•