LOCATION WARSHOD IDEstablished Series
TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive, frigid Typic Haploxerolls
TYPICAL PEDON: Warshod gravelly loam, rangeland - on a north facing concave slope of 50 percent at an elevation of 6,600 feet. (Colors are for dry soil unless otherwise stated.)
A1--0 to 3 inches; very dark gray (10YR 3/1) gravelly loam, black (10YR 2/1) moist; moderate fine granular structure; soft, very friable, nonsticky and nonplastic; many very fine and fine roots; many fine interstitial pores; 15 percent gravel; neutral (pH 6.6); abrupt smooth boundary. (2 to 4 inches thick)
A2--3 to 9 inches; very dark grayish brown (10YR 3/2) gravelly loam, very dark brown (10YR 2/2) moist; weak fine and medium subangular blocky structure; soft, very friable, nonsticky and nonplastic; many very fine and fine roots; common very fine tubular pores; 20 percent gravel; neutral (pH 6.8); clear wavy boundary. (4 to 7 inches thick)
A3--9 to 18 inches; dark grayish brown (10YR 4/2) very gravelly loam, very dark grayish brown (10YR 3/2) moist; weak medium subangular blocky structure; soft, very friable, nonsticky and nonplastic; many very fine and fine roots; many very fine tubular pores; 35 percent gravel; neutral (pH 6.8); clear wavy boundary. (6 to 9 inches thick)
Bw--18 to 37 inches; brown (7.5YR 5/3) very gravelly very fine sandy loam, brown (7.5YR 4/3) moist; moderate fine and medium subangular blocky structure; slightly hard, friable, nonsticky and nonplastic; common very fine and fine roots; many very fine and fine tubular pores; 35 percent gravel and 5 percent cobbles; neutral (pH 6.6); gradual wavy boundary. (12 to 24 inches thick)
BC--37 to 46 inches; light brown (7.5YR 6/4) very gravelly fine sandy loam, brown (7.5YR 5/4) moist; weak coarse subangular blocky structure; slightly hard, friable, nonsticky and nonplastic; few very fine and fine roots; common very fine and fine tubular pores; 35 percent gravel and 10 percent cobbles; neutral (pH 7.2); abrupt wavy boundary. (7 to 12 inches thick)
Cr--46 to 60 inches; pink (7.5YR 7/4) weathered conglomerate, crushing to loamy fine sand, reddish yellow (7.5YR 6/6) moist; strongly effervescent.
TYPE LOCATION: Bear Lake County, Idaho; about 3 miles southeast of Pegram, Idaho; 2,050 feet north and 1,600 feet west of the southeast corner of section 20, T. 15 S., R. 46 E. (Latitude 42 degrees 06 minutes 07.7 seconds N., Longitude 111 degrees 05 minutes 52.9 seconds W.)
RANGE IN CHARACTERISTICS:
Soil moisture control section - usually moist, dry for 45 consecutive days or more following the summer solstice. Xeric soil moisture regime.
Mollic epipedon thickness - 12 to 19 inches
Average annual soil temperature - 42 to 45 degrees F. Frigid soil temperature regime.
Depth to paralithic contact - 40 to 60 inches
Clay percent - 8 to 18 in the particle-size control section
Rock fragments - average 35 to 60 percent in the control section
A1 horizon
Hue: 7.5YR or 10YR
Value: 3 or 4 dry, 2 or 3 moist
Chroma: 1 to 3 dry or moist
Clay content: 10 to 18 percent
Rock fragments: 15 to 25 percent gravel
Reaction: slightly acid or neutral
A2 and A3 horizons
Hue: 7.5YR or 10YR
Value: 3 or 4 dry, 2 or 3 moist
Chroma: 1 to 3 dry or moist
Texture: GR-L, GRV-L
Clay content: 10 to 18 percent
Rock fragments - 15 to 40 percent gravel
Reaction: slightly acid or neutral
Bw horizon
Hue: 7.5YR or 5YR
Value: 4 to 6 dry, 3 to 5 moist
Chroma: 3 or 4 dry or moist
Texture: GRV-L, GRV-FSL, GRV-VFSL
Clay content: 8 to 18 percent
Rock fragments: 35 to 60 percent; 35 to 50 percent gravel and 0 to 10 percent cobbles
Reaction: slightly acid or neutral
BC horizon
Hue: 7.5YR or 5YR
Value: 5 or 6 dry, 3 to 5 moist
Chroma: 3 or 4 dry or moist
Texture: GRV-L, GRV-FSL, GRV-VFSL
Clay content: 8 to 18 percent
Rock fragments: 35 to 60 percent; 35 to 50 percent gravel and 0 to 10 percent cobbles
Reaction: slightly acid or neutral
COMPETING SERIES: These are the
Bergquist (ID) - have lithic contact at 40 to 60 inches.
Bigarm (MT) - are very deep.
Bradshaw (UT) - have carbonates above a depth of 40 inches.
Brunzell (ID) - averages more than 18 percent clay in the particle size control section.
Cupine (ID) - have lithic contact at 20 to 40 inches.
Fuego (OR) - have lithic contact at 20 to 40 inches.
Mud Springs (UT) - have lithic contact at 20 to 40 inches.
Potamus (OR) - have 28 to 35 percent clay in the particle size control section.
St. Marys (UT) - have carbonates in the B and C horizons.
GEOGRAPHIC SETTING:
Landscape position - terrace sideslopes, hillsides, and mountainsides.
Parent material - slope alluvium and residuum from sandstone and conglomerate.
Slope range - 10 to 60 percent.
Elevation range - 6,200 to 7,600 feet.
Average annual precipitation - 13 to 18 inches
Average annual temperature - 37 to 43 degrees F.
Frost-free season - 60 to 90 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Arbone, Cokeville, Springhollow (T), Slan, (T) and Vicking soils. Arbone soils are on smooth to gently rolling areas, have a calcic horizon and less than 35 percent coarse fragments in the particle size control section. Springhollow soils are on smooth to gently rolling areas and wide ridge summits and have a duripan within 40 inches. Slan soils are on south and west facing sideslopes and have a paralithic contact at 20 to 40 inches. Cokeville and Vicking soils are on less sloping areas, have calcic and argillic horizons and less than 35 percent coarse fragments in the particle size control section.
DRAINAGE AND PERMEABILITY: Well drained; rapid to very rapid runoff; moderate permeability.
USE AND VEGETATION: These soils are used mainly for rangeland, wildlife habitat, and watershed. Native vegetation is mountain big sagebrush, serviceberry, arrowleaf balsamroot, and bluebunch wheatgrass.
DISTRIBUTION AND EXTENT: Southeast, Idaho. These soils are of small extent. MLRA 43B.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Bozeman, Montana
SERIES ESTABLISHED: Bear Lake County, Idaho, 2008. The name is coined.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Mollic epipedon - the zone from 0 to 18 inches (A1, A2, and A3 horizons)
Cambic horizon - the zone from 18 to 37 inches (Bw horizon)
Paralithic contact - the boundary at 46 inches (Cr horizon)
Particle-size control section - the zone from 10 to 40 inches (part of the A3 horizon, the Bw horizon, and part of the BC horizon)