Detailed Soil Map Units
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11—Cleetwood very gravelly ashy loamy coarse sand, depressional, 0 to 7 percent slopes
Map Unit Setting
General location: Depressional areas in Pumice Desert
Major land resource area (MLRA): 3
Elevation: 5,800 to 6,200 feet
Average annual precipitation: 60 to 80 inches
Average annual air temperature: 38 to 42 degrees F
Frost-free period: 0 to 30 days
Map Unit Composition
Cleetwood and similar soils:
95 percent
Minor components: 5 percent
Characteristics of the Cleetwood and Similar Soils
Setting
Landform: Ashflow
Geomorphic position: Ashflows in valleys
Parent material: Ash, pumice, and andesite fragments
Properties and qualities
Slope: 0 to 7 percent
Percentage of surface covered with stones and boulders: 1 percent
Restrictive features: None within a depth of 60 inches
Drainage class: Excessively drained
Permeability: Rapid
Flooding: Not present
Water table: Not present
Ponding: Not present
Available water capacity: About 6.1 inches
Interpretive groups
Ecological site: Rangeland—(003XY010OR) Pumice Desert 40-60 PZ
Typical profile
A1—0 to 2 inches; very gravelly ashy loamy coarse sand
A2—2 to 10 inches; ashy loamy sand
C1—10 to 36 inches; ashy sand
C2—36 to 50 inches; ashy coarse sand
C3—50 to 60 inches; gravelly ashy sand
Characteristics of the Minor Components
Sunnotch soils
Percentage of map unit: 5 percent
Landform: Debris flow
Geomorphic position: Debris flows in Pumice Desert
Major Soil Features and Properties Affecting Management
Cleetwood soil
• Sandy textures
• Desert pavement (high amount of surface rock fragments)
• Low soil strength
• Dustiness
• Wind erosion
