2008-03-21_PERMIT FILE - C1980007 ‎(5)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 3/21/2008
• Section_Exhibit Name: Exhibit 78 Dry Fork Federal Lease-By-Application COC-67232 Final Enviro Impact Statement
• Media Type: D
• Archive: No

Chapter 3 Affected Environment and Environmental Consequences

Table 3-1
Summary of Soil Resources in the LBA Tract

% of
% Hazard
Map Unit of Dominant M
ap Depth
Water
Shrink

1l?ass- Considerations For Use
Name L13A Soil Series lJnit Erosion Swell Movement

Coberly - Coberly soil and 45 D L Shallow bedrock; low water-holding capacity.
dr
Falcon similar soils
;
y
com lex;
P 6'7
soil
Falcon dr
L Shallow bedrock; low water-holding capacity;
0-15% slopes y
and similar soils 40 S L L root limiting layer.
Cryochrepts - Cryochrepts soil 35 S - D L - H L L - M None noted.
Cryoborolls; and similar soils

nibble land
lex;
com 6.4 C oborolls soil
ry
30
S- VD
H
L
M
None noted.
p and similar soils
15-90%
slopes rubble land 25 Large exposures of loose rock.
Herm soil and
H
L
H
L - M Steep slopes in some areas; high shrink-swell
i
similar soils 35 VD - on
potential; slow permeability; high soil eros
hazard in steeper areas; moderate mass
Herm - Fughes soil and 30 D M - H H L - M movement potential in steeper areas; clayey
Fughes -
l
b
K
similar soils
subsurface soil textures.
o
o
Family 12.2 Steep slopes in some areas; moderate shrink
Complex; swell potential; slow permeability; high soil
25-40% Kolob Family and
H
L
M
L - M erosion hazard in the steeper areas; subsurface
slopes similar soils 25 VD - rock fragments; clayey surface soil textures;
clayey subsurface soil textures; moderate
mass movement potential in the steeper areas.

Shawa soil and 35 VD L - H L L High soil erosion hazard in steep slope areas.
similar soils
Shawa - High soil erosion hazard in steep slope areas.
Sandia Sandia family soil 30 D L - H L L Slow permeability and subsurface rock
Family - and similar soils fragments.
Kolob 8.8
Slow permeability; moderate shrink-swell
Family potential; high soil erosion hazard in steep
Complex;
5-40% slopes Kolob Family and 25 VD L - H M L - M slope areas; moderate mass movement
il
similar soils potential in steep areas; clayey subsurface so
textures; subsurface rock fragments.
as
l
d i
Taterhea soil and
M
L .
ope are
n steep s
Elevated erosion hazar
Taterheap - similar soils 50 VD. L - H Moderately slow permeability.
Papaspila 35.2 Elevated erosion hazard in steep slope areas.
Complex; 5- Papaspila soil and 35 VD L - H L L Moderately slow permeability. Subsurface
40% slopes similar soils rock fragments.
d
d
h
i
an
azar
on
Slow permeability; high eros
mass movement potential on steep slopes;
Wetopa soil and 50 VD L - H H L - H shrink-swell potential. Subsurface rock
similar soils fragments.
a
L[ 31.3
Slow permeability; high erosion hazard and
5-65%slopes Wesdy soil and
35
VD
L - H
M
L " H mass movement potential on steep slopes;

shrink-swell potential. Subsurface rock
similar soils fragments.
Depth Classes: S = Shallow; D = Deep; VD = Very Deep Hazard Ratings: L = Low; M = Medium; H = High Source: Cryer and Hughes 1997

Dry Fork Lease-By-Application FEIS 3-9