IDENTIFIERS
Current Taxon Name (Soil Name):
Bigflat
OSD
Series Extent
User Site ID:
S1991ID059002
User Pedon ID:
91ID059002
User Site Association ID:
ID703_DSM_pedons
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
92P0028
NCSS Pedon Lab Data NASIS Record ID -
64267
Print Date:
11/12/2024
LOCATION
Location Description:
Ralph Bean's ranch, near stockyard.
State:
Idaho
County:
ID059—Lemhi
PEDON
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
2
Sampled As Information:
Soil Name -
Bigflat
Taxonomic Class -
Fine, montmorillonitic Aridic Palexerolls
Classificaton Date -
6/1/1991
Moisture Class -
xeric
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Slope Shape Down:
convex
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/1/1991 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Setting and Climate
Slope
Slope Length USLE
Upslope Length
Elev.
Corr. Elev
Aspect
MAP
REAP
FFD
MAAT
MSAT
MWAT
MAST
MSST
MWST
MFFP
PE Index
Climate Station ID
Climate Station Name
Climate Station Type
%
m
degrees
mm
mm
C
mm
6
—
—
1890
—
45
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Oi—0 to 5 centimeters (0.0 to 2.0 inches); fragments; slight effervescence; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. decomposed cattle manure
A1—5 to 13 centimeters (2.0 to 5.1 inches); brown (10YR 5/3), very dark brown (10YR 2/2), moist; loam; 22 percent clay; strong coarse platy structure; soft, very friable, moderately sticky, slightly plastic; 5.5 very fine and fine roots and 0.5 medium roots; 5.5 very fine interstitial and tubular pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; neutral, pH 6.7, hellige-truog; clear smooth boundary. platy structure due to cattle compaction; few medium roots; many very fine and fine roots
A2—13 to 25 centimeters (5.1 to 9.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; 15 percent clay; moderate medium angular blocky structure; soft, friable, moderately sticky, moderately plastic; 2.5 very fine and fine roots; 5.5 very fine interstitial and tubular pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; slightly alkaline, pH 7.5, hellige-truog; abrupt wavy boundary. Lab sample # 92P00188. common very fine and fine roots
Bt—25 to 38 centimeters (9.8 to 15.0 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay; 54 percent clay; moderate medium angular blocky structure; hard, firm, very sticky, very plastic; 0.5 very fine and fine roots; 5.5 very fine interstitial and tubular pores; 37 percent distinct clay films on faces of peds and in pores; 2 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 92P00189. common clay films surface features on faces of peds and in pores; few very fine and fine roots
Btk—38 to 69 centimeters (15.0 to 27.2 inches); light brownish gray (10YR 6/2), brown (10YR 5/3), moist; clay loam; 37 percent clay; moderate medium angular blocky structure; hard, firm, very sticky, very plastic; 0.5 very fine and fine roots; 2.5 very fine interstitial and tubular pores; 37 percent distinct clay films on faces of peds and in pores; 2 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. accumulations of soft powdery lime; common clay films surface features on faces of peds and in pores; few very fine and fine roots
Bkz—69 to 124 centimeters (27.2 to 48.8 inches); light brownish gray (10YR 6/2), brown (10YR 4/3), moist; clay loam; 34 percent clay; moderate coarse angular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 2.5 very fine interstitial and tubular pores; 37 percent distinct clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. thin lime coatings on coarse fragments; few accumulations of gypsum 2 to 5 mm in diameter; common clay films surface features on faces of peds and in pores; few very fine and fine roots
2Bkz—124 to 155 centimeters (48.8 to 61.0 inches); light brownish gray (10YR 6/2), brown (10YR 4/3), moist; very gravelly sandy clay loam; 22 percent clay; weak fine and medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 2.5 very fine interstitial and tubular pores; 55 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog. few thin lime coating on 10% coarse fragments; few accumulations of gypsum 2 to 5 mm in diameter; few very fine and fine roots