PERMFILE131981

• Permit No: M1987092
• IBM Index Class Name: Permit File
• Doc Date: 5/20/1987
• Doc Name: 110 APPLICATION
• Media Type: D
• Archive: No

Exhi~t B - Site Description
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LAR1MtiR COUNTY ARh:A, COLORADO
fine :sandy loam, dark t•eddislt brown
(2.5YR 3/4) moist; weak fine granular
structure; soft, vet•y ft•iable; 10 percent
sandstone fragments; calcareous; neu-
tral; dear smooth boundary.
Cl-5 to 9 inches; reddish brown (2.5YR 5/4)
channery fine sandy loam, reddish
brown (2.5YR 4/4) moist; weak fine
granular and weak medium subangular
block}~ structure; slightly hard, vet••y fri-
able; 30 percent sandstone fragments;
calcareous; neuh•al; gradual smooth
boundary.
C2-0 to 15 inches; reddish brown (2.SYR 5/4)
channery fine sandy loam, reddish brown
(2.5YR 4J4) moist; massive; slightly
hard, very friable; 50 percent sandstone
fragments and flagstones; calcareous;
neutral; clear smooth bound:uy.
R-15 inches; sandstone.
The A horizon is fate sandy loam or light loam 3 Lo
6 inches thick. The C horizon is line sandy loam, sandy
loam, or light loam. Content oC rock fragments, mostly
channery or larger, averages 35 to 70 percent. Reaction
ranges from neutral to moderately alkaline.
82-Pcndcrgraes~Rock outcrop complex, 15 to 25
percent elopes. This complex consists of moderately
steep soils on uplands. It is about 50 percent Pender-
grass lute sandy lo.un and about 35 percent Rock out-
crop. Pendergrass line sandy loam is near the LoP of
side slopes and the less sloping areas near the base of
side slopes, and Rock outcrop is steepet•.
Included with this complex in mapping are about 15
percent areas of Miracle and Glergern soils. Also in-
cluded are some small areas of soils that are similar to
the Pendergrass soil but in which bedrock is somewhat
deeper and vegetation is mixed conifers.
Runoff is rapid, mtd the hazard of erosion is severe.
This complex is suited to native grasses. Capability
unit VIIs-1, dryland; Pendergrass soil in Rocky Loam
range site and Rock outcrop not assigned to a range
site; not assigned to a windbreak suitability group.
Piuata Series
The Pinata series consists oC deep, well drained
soils that farmed in material weathered from sandstone
and shale. These soils are on mountainsides and t•idges.
Elevation ranges from 5,800 to G,500 feet. Slopes are
15 to 45 percent. The native vegetation is mainly
ponderosa pine and some juniper and oak brush. Mean
annual precipitation ranges from 15 to 18 inches,
mean annual air temperature ranges from 9G° to 98°
F, and the frost-free season ranges from 120 to 135
days.
In a representat:.ve profile a 1-inch-thick layer of
organic material is on the surface. The surface layer
is dark brown stony sandy loam about 2 inches thick.
The subsurface layer is pinkis}t gray stony light sandy
loam about 8 inches thick. The subsoil is reddish brown
stony clay about 12 inches thick and yellowish red
stony clay loam about 20 inches thick. Below this is
hard sandstone.
Permeability is slow, and the available water ca-
pacity is tnediunt. Reaction is neutral
page3
45
These soils are used for recreation, building sites,
quarry sites, and limited grazing.
Representative profile of Piuata stony sandy loam
in an area of. Pinata-Rock outcrop complex, 15 to 95
percent slopes, in forest, about 1,500 feet west of the
center of sec. 39, T. 5 N., R. ^r0 lN.:
01-1 inch to 0; partly decayed pine needles and
leaves.
Al-0 toL inches; dat•k bt•owtt (7.5YR 4/2)
stony sandy loam, vela dark brown
(7.5YR 2/2) moist; weak medium sub-
angular blocky and weak fine granular
structure; soft, very friable; about 35
percent stones and gravel; neutt•al; cleat•
stnootlt boundary.
A2-2 to 10 inches; pinkish gray (7.51'R G/2)
stony light sandy loam, dark brown
(7.!"iYR 4/2) moist; weak medium sub-
angular blocky structure; soft, very fri-
able; about 35 percent stones; neutral;
clear smooth boundary.
B2t-10 to 22 inches; reddish brown (5YR 5/9)
stony clay, reddish brown (5YR 4/4)
moist; moderate medium and coarse sub-
angular blocky structure; very hard,
very firm; thin nearly continuous clay
films ou peds; about 40 percent stones;
neutral; clear wavy boundary.
83-22 to 92 inches; yellowish red (5YR 5/G)
stony clay loam, yellowish red (5YR
4/G) moist; weak medium subangular
blocky structure; very hard, firm; thin
patchy clay films on peds; about 95 per-
ce»t stones; neutral; gradual smooth
boundary.
R-42 to GO inches; hard sandstone.
The Al horizon is sandy loam or heavy loamy sand
1 to 4 inches thick. The A2 horizon is light sandy loam
or loamy sand G to 12 inches thick. Tlie B2t horizon is
heavy clay loam or clay. Depth to bedrock ranges front
90 to GO inches or mote. Content of rock fragments,
mainly flagstone, ranges from 35 to 80 percent.
~J~1~at,n~- ul rot complex, 15 to 45 cr-
• tc . 1 tis comp ex const"-sL';~f e y steep
o s eep sot s on mountainsides and ridges. It is about
50 percent Pinata stony sandy loam and about 35
percent Rock outcrop. Pinata stony sandy loam is
smoother and less sloping, and Rock outcrop is com-
monly steeper and on west-facing slopes but occurs
throughout.
Included with this complex in mapping are about 15
percent areas of Purner soils and soils that are similar
to the Pinata soil but in which bedrock is at a depth
of less than 90 inches.
Runoff is t•apid, attd the hazard of erosion is severe.
This complex is used fm• forest and for limited graz-
ing for cattle. Many areas are used as building sites
and as sites for quarrying building stone. Capability
unit VIIs-1, dryland; Pinata soil in woodland suit-
ability group Gxl ;not assigned to a range site or wind-
break suit<•tbility group.
Pmulrc Scrics
The Poudre series consists of deep, somewhat poorly