IDENTIFIERS
Current Taxon Name (Soil Name):
Buckhart
OSD
Series Extent
User Site ID:
1969IL187001
User Pedon ID:
1969IL187001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
69IL187001
NCSS Pedon Lab Data NASIS Record ID -
20690
Print Date:
3/2/2025
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:
40.6370940
Std. Longitude:
-90.6799290
Datum:
WGS84
Township:
8N
Range:
3W
Section:
36
PLSS Details:
960 feet east and 570 feet south from center
Location Description:
From center of section 960 feet east and 570 feet south to top of ridge
State:
Illinois
County:
IL187—Warren
MLRA:
108—Illinois and Iowa Deep Loess and Drift
Non-MLRA Soil Survey Area:
IL187—Warren County, Illinois
PEDON
Describers Name:
GOW, RTO, ECAR, LR
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Oxyaquic Argiudolls
Current Taxon Kind:
taxadjunct
Pedon Type:
taxadjunct to the series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
PedonPC
Pedon #:
1
Correlated Information:
Soil Name -
Buckhart
PSC -
53 to 103 cm.
Classificaton Date -
7/10/2009
Soil Taxonomic Edition -
eleventh edition
Moisture Class -
udic
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Osco
Taxonomic Class -
Mixed
Classificaton Date -
10/1/1969
Moisture Class -
aquic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Landscape:
till plain
Landform:
knoll
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/1/1969 (entry creation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
row crop
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
—
—
240
—
825
—
170
11
—
—
—
—
—
—
—
—
—
—
Ap—0 to 15 centimeters (0.0 to 5.9 inches); black (10YR 2/1) silt loam; moderate fine granular structure; friable; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # IL21699
A1—15 to 30 centimeters (5.9 to 11.8 inches); very dark brown (10YR 2/2) silty clay loam; moderate medium granular structure; friable; fragments; neutral, pH 6.7; clear smooth boundary. Lab sample # IL21700
A2—30 to 41 centimeters (11.8 to 16.1 inches); very dark grayish brown (10YR 3/2) silty clay loam; moderate medium granular structure; friable; fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # IL21701
A3—41 to 53 centimeters (16.1 to 20.9 inches); dark brown (10YR 3/3) silty clay loam; weak fine subangular blocky structure; friable; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL21702
Bt1—53 to 71 centimeters (20.9 to 28.0 inches); brown (10YR 4/3) silty clay loam; moderate fine subangular blocky structure; firm; 25 percent dark brown (10YR 3/3) organoargillans on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL21703
Bt2—71 to 89 centimeters (28.0 to 35.0 inches); brown (10YR 4/3) silty clay loam; moderate medium subangular blocky structure; firm; 25 percent dark brown (10YR 3/3) clay films on all faces of peds; 10 percent medium faint dark grayish brown (10YR 4/2) iron depletions; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL21704
Bt3—89 to 109 centimeters (35.0 to 42.9 inches); variegated dark grayish brown (10YR 4/2) and dark yellowish brown (10YR 4/4) silty clay loam; moderate medium angular blocky structure; firm; 10 percent dark grayish brown (10YR 4/2) clay films on vertical faces of peds and 10 percent brown (10YR 4/3) clay films on top faces of peds; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL21705
Bt4—109 to 127 centimeters (42.9 to 50.0 inches); variegated grayish brown (10YR 5/2) and yellowish brown (10YR 5/4) silty clay loam; weak medium subangular blocky structure; firm; 25 percent grayish brown (10YR 5/2) clay films on vertical faces of peds; fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # IL21706
Bt5—127 to 147 centimeters (50.0 to 57.9 inches); variegated yellowish brown (10YR 5/4) and grayish brown (10YR 5/2) silty clay loam; weak coarse angular blocky structure; firm; 25 percent brown (10YR 5/3) clay films on vertical faces of peds; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # IL21707
C1—147 to 173 centimeters (57.9 to 68.1 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/6) silt loam; massive; friable; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL21708
C21—173 to 198 centimeters (68.1 to 78.0 inches); brown (10YR 5/3) and yellowish brown (10YR 5/6) silt loam; massive; friable; fragments; slight effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL21709
C22—198 to 224 centimeters (78.0 to 88.2 inches); brown (10YR 5/3) and yellowish brown (10YR 5/6) silt loam; massive; friable; fragments; slight effervescence; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL21710
C23—224 to 251 centimeters (88.2 to 98.8 inches); yellowish brown (10YR 5/6) and brown (10YR 5/3) silt loam; massive; friable; fragments; slight effervescence; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL21711
2AB—251 to 267 centimeters (98.8 to 105.1 inches); dark yellowish brown (10YR 4/4) silt loam; massive; friable; fragments; clear smooth boundary.