IDENTIFIERS
Current Taxon Name (Soil Name):
Redbud
OSD
Series Extent
User Site ID:
S1993IL163016
User Pedon ID:
S1993IL163016
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
94P0274
NCSS Pedon Lab Data NASIS Record ID -
66452
Print Date:
1/26/2025
LOCATION
Location In Web Soil Survey
AOI is roughly a square mile and pedon is marked in the center.
Location in SoilWeb
Location in Google Maps
Std. Latitude:
38.2305565
Std. Longitude:
-89.8827744
Datum:
WGS84
Township:
3S
Range:
7W
Section:
33
PLSS Details:
Northwest 1/4 160 Southeast 1/4 40 Southwest 1/4 10
State:
Illinois
County:
IL163—St. Clair
MLRA:
114—Southern Illinois and Indiana Thin Loess and Till Plain
Non-MLRA Soil Survey Area:
IL163—St. Clair County, Illinois
7.5 Minute USGS Quad:
38089-B8—Red Bud, Illinois
PEDON
Describers Name:
WMM
Current Taxonomic Class:
Fine-silty, mixed, active, mesic Oxyaquic Hapludalfs
Current Taxon Kind:
series
Pedon Type:
representative pedon for component
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
16
Correlated Information:
Soil Name -
Redbud
PSC -
37 to 87 cm.
Classificaton Date -
6/15/2007
Moisture Class -
udic
Moisture Subclass -
oxyaquic
Sampled As Information:
Soil Name -
Redbud
Taxonomic Class -
Fine-silty, mixed, mesic Typic Hapludalf
Taxon Kind -
series
Classificaton Date -
10/7/1993
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
plains
Landform:
lake terrace
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/7/1993 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
hayland
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
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
2
—
—
131
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); brown (10YR 4/3) silt loam; 17 percent clay; moderate medium granular structure; friable; 6.0 fine and medium roots throughout; 5.0 fine and medium high-continuity vesicular and tubular pores; 1 percent fine spherical iron-manganese concretions; fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 94P01731
BtE—25 to 37 centimeters (9.8 to 14.6 inches); brown (7.5YR 4/4) silt loam; 24 percent clay; moderate medium platy structure; friable; 4.0 fine and medium roots throughout; 5.0 fine and medium high-continuity vesicular and tubular pores; 15 percent distinct brown (10YR 4/3) clay films on vertical faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; neutral, pH 6.7, hellige-truog; abrupt smooth boundary. Lab sample # 94P01732
Bt1—37 to 61 centimeters (14.6 to 24.0 inches); brown (7.5YR 4/4) silty clay loam; 36 percent clay; strong medium prismatic parts to strong medium angular blocky structure; firm; 3.0 very fine and fine roots between peds; 4.6 very fine and fine high-continuity vesicular and tubular pores; 51 percent distinct brown (10YR 4/3) clay films on faces of peds; 1 percent fine spherical iron-manganese concretions and 4 percent fine and medium irregular iron-manganese masses; fragments; neutral, pH 6.7, hellige-truog; clear smooth boundary. Lab sample # 94P01733
Bt2—61 to 86 centimeters (24.0 to 33.9 inches); strong brown (7.5YR 5/6) silty clay loam; 33 percent clay; strong medium prismatic parts to strong medium angular blocky structure; firm; 3.0 very fine and fine roots between peds; 4.5 very fine and fine high-continuity vesicular and tubular pores; 51 percent distinct brown (10YR 4/3) clay films on faces of peds; 1 percent fine spherical iron-manganese concretions and 5 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 94P01734
Bt3—86 to 108 centimeters (33.9 to 42.5 inches); strong brown (7.5YR 5/6) silty clay loam; 31 percent clay; strong medium prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine roots between peds; 4.3 very fine moderate-continuity vesicular and tubular pores; 51 percent distinct brown (10YR 4/3) clay films on faces of peds; 4 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # 94P01735
Bt4—108 to 132 centimeters (42.5 to 52.0 inches); brown (7.5YR 5/4) silty clay loam; 30 percent clay; 5 percent brown (10YR 5/3) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 0.5 very fine roots between peds; 4.2 very fine moderate-continuity vesicular and tubular pores; 21 percent distinct brown (10YR 4/3) clay films on faces of peds; 3 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 94P01736
2Bt5—132 to 150 centimeters (52.0 to 59.1 inches); dark yellowish brown (10YR 4/6) silty clay loam; 36 percent clay; 5 percent brown (10YR 5/3) fine distinct mottles; moderate medium prismatic structure; firm; 4.5 very fine low-continuity vesicular pores; 5 percent distinct light gray (10YR 7/2) silt coats in root channels and/or pores and 15 percent distinct brown (10YR 4/3) clay films on faces of peds; 3 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 94P01737
2Bt6—150 to 170 centimeters (59.1 to 66.9 inches); dark yellowish brown (10YR 4/4) silty clay; 45 percent clay; 5 percent grayish brown (10YR 5/2) fine faint mottles; moderate medium prismatic structure; extremely firm*; 4.5 very fine low-continuity vesicular pores; 3 percent distinct light gray (10YR 7/2) silt coats in root channels and/or pores and 10 percent distinct dark brown (10YR 3/3) clay films on faces of peds and 10 percent distinct dark yellowish brown (10YR 4/4) slickensides (pedogenic) on faces of peds and in pores; 3 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 94P01738
2Bt7—170 to 194 centimeters (66.9 to 76.4 inches); yellowish brown (10YR 5/4) silty clay loam; 38 percent clay; 10 percent brown (10YR 5/3) fine faint mottles; weak medium prismatic structure; firm; 4.5 very fine low-continuity vesicular pores; 5 percent distinct dark grayish brown (10YR 4/2) clay films in root channels and/or pores; 2 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 94P01739
2Bt8—194 to 217 centimeters (76.4 to 85.4 inches); yellowish brown (10YR 5/4); 37 percent clay; 10 percent brown (10YR 5/3) fine faint mottles; weak medium prismatic structure; firm; 4.5 very fine low-continuity vesicular pores; 4 percent distinct dark grayish brown (10YR 4/2) clay films in root channels and/or pores; 1 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 94P01740
2Bt9—217 to 244 centimeters (85.4 to 96.1 inches); dark yellowish brown (10YR 4/4); 34 percent clay; 5 percent strong brown (7.5YR 5/6) fine prominent and 10 percent brown (10YR 5/3) fine faint mottles; weak medium prismatic structure; firm; 4.5 very fine low-continuity vesicular pores; 5 percent distinct dark grayish brown (10YR 4/2) clay films in root channels and/or pores; 1 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 94P01741
3Bt10—244 to 280 centimeters (96.1 to 110.2 inches); brown (7.5YR 4/4) silt loam; 26 percent clay; weak coarse prismatic structure; firm; 4.5 very fine low-continuity vesicular pores; 1 percent distinct brown (10YR 4/3) clay films in root channels and/or pores; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.7, hellige-truog. Lab sample # 94P01742