LOCATION CRANDALL UTEstablished Series
TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive Xeric Argicryolls
TYPICAL PEDON: Crandall gravelly loam , on a southeast facing, convex, 50 percent slope in rangeland at an elevation of 10,200 feet. (Colors are for moist soil unless otherwise noted.) When described on September 9, 1996, the soil was moist from 10 to 24 inches.
The surface is covered by 25 percent gravel, 15 percent cobble and 1 percent stone.
A1--0 to 5 inches; very dark brown (7.5YR 2.5/2) gravelly loam, brown (7.5YR 4/3) dry; weak fine granular structure; soft very friable, slightly sticky and slightly plastic; many very fine, few fine and medium roots; many very fine pores; 1 percent stones, 10 percent cobbles and 20 percent gravel; neutral (pH 6.8); nonefferscent; clear smooth boundary (3 to 8 inches thick).
A2--5 to 14 inches; dark brown (7.5YR 3/3) gravelly loam, brown (7.5YR 5/3) dry; weak fine subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; many very fine, few fine, and medium roots; many very fine pores; 1 percent stones, 10 percent cobbles; 20 percent gravel; neutral (pH 6.8); nonefferescent; clear wavy boundary (5 to 12 inches thick).
Bt--14 to 45 inches; brown (7.5YR 4/4) very cobbly clay loam, light brown (7.5YR 6/4) dry; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky and moderately plastic; many very fine and few fine roots; many very fine pores; few faint clay films on faces of peds; 5 percent stones, 15 percent cobbles, 20 percent gravel; neutral (pH 7.0); noneffervescent; clear wavy boundary. (25 to 35 inches thick)
Bk--45 to 55 inches; brown (7.5YR 4/4) very cobbly loam, light brown (7.5 6/4) dry; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; few very fine roots; many very fine pores; 5 percent stones; 20 percent cobbles, 30 percent gravel; slightly effervescent; slightly alkaline (pH 7.8); abrupt irregular boundary (5 to 15 inches thick).
R--55 inches; conglomerate bedrock
TYPE LOCATION: Summit County, Utah; about 2 miles east of Boyer Lake; located about 1200 feet south and 1200 feet west of the northeast corner of sec. 36, T. 2 N., R. 8 E; Whitney Reservoir, Utah USGS quad; lat. 40 degrees 52 minutes 14 seconds N. and long. 110 degrees 59 minutes 08 seconds W., NAD 1927
RANGE IN CHARACTERISTICS:
Soil moisture regime: Xeric moisture regime; the soil moisture control section is dry for 45 to 60 consecutive days following the summer solstice
Mean annual soil temperature: 37 to 42 degrees F.
Mean summer soil temperature: 50 to 58 degrees F.
Surface rock fragments: 15 to 35 percent
Depth to lithic contact: 40 to 60 inches to conglomerate, sandstone, limestone, or shale
Thickness of the mollic epipedon: 10 to 16 inches
Particle-size control section: 25 to 35 percent clay and 35 to 60 percent rock fragments
A horizon:
Hue: 10YR or 7.5YR
Value: 2 or 3 moist, 4 or 5 dry
Chroma: 2 or 3 moist or dry
Rock fragments: 15 to 35 percent
Calcium carbonate equivalent: 0 to 1 percent
Reaction: Slightly acid or neutral
Bt horizon:
Hue: 5YR, 7.5YR, 10YR
Value: 3 or 4 moist, 4 to 6 dry
Chroma: 3 to 6 moist and dry
Texture: grv-l, cbv-l, grv-cl, cbv-cl
Rock fragments: 35 to 60 percent
Calcium carbonate equivalent: 0 to 1 percent
Bk horizon:
Hue: 5YR, 7.5YR, 10YR
Value: 4 or 5 moist, 5 or 6 dry
Chroma: 4 to 6 moist or dry
Texture: grv-l, grv-sl, cbv-l, cbv-sl
Rock fragments: 35 to 60 percent
Calcium carbonate equivalent: 3 to 15 percent
COMPETING SERIES: These are the Blaine, Bullville, Chamberlain, Elwood, Ezbin, Forner, Fourme, Geertsen, Itwo, Latigo, Libeg, Nathale, Nurkey, Packer, Scuffe, Spanpeak, Stopatoe, Tagum, Tahquats, Thiel, Toquima, Winada, and Zeebar series.
Blaine,
Elwood,
Itwo,
Nathale, Winada: have a lithic contact from 20 to 40 inches.
Bullville,
Stopatoe, Tagum: have a paralithic contact from 20 to 40 inches.
Chamberlain: has Bkq horizons and a sandy substratum from 22 to 40 inches.
Ezbin,
Fornor,
Fourme,
Latigo,
Libeg,
Nurkey,
Packer,
Spanpeak,
Tahquats, Zeebar: have a lithic contact greater than 60 inches.
Thiel: have sand at 20 to 40 inches.
Geertsen: are dry in the soil moisture control section for less than 45 consecutive days following the summer solstice.
Scuffe: have a paralithic contact at 20 to 30 inches.
Toquima: have a lithic contact at 30 to 40 inches.
GEOGRAPHIC SETTING: Crandall soils.
Parent material: Colluvium and residuum derived from conglomerate.
Landform: Mountain slopes
Slopes: 2 to 60 percent
Elevation: 7,300 to 11,000 feet
Mean annual air temperature: 35 to 40 degrees F.Mean annual precipitation: 22 to 35 inches.
Wettest months: March through May
Driest months: July through September
Frost-free period: 20 to 60 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Lucky Star,
Skutum and
Starley series.
Lucky Star: Very deep, loamy-skeletal aspen soil
Skutum: Very deep, fine textured aspen soil
Starley: Shallow to bedrock
DRAINAGE AND PERMEABILITY: Well drained, high to very high runoff, moderately slow permeability.
USE AND VEGETATION: Use is rangeland. Vegetation is subalpine and mountain big sagebrush, wheatgrasses, snowberry and buckwheat.
DISTRIBUTION AND EXTENT: North Central, Utah. LRR E, MLRA 47. This series is of moderate extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Bozeman, Montana
SERIES ESTABLISHED: Summit County, 2000. The name is after a canyon in Summit County.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Mollic epipedon: The zone from the surface to 14 inches. (A1 and A2 horizons)
Argillic horizon: The zone from 14 to 45 inches. (Bt horizon)
Keys to Soil Taxonomy: Eighth Edition, 1998.
ADDITIONAL DATA: