IDENTIFIERS
Current Taxon Name (Soil Name):
LAWSON
OSD
Series Extent
User Site ID:
S1982IL029019
User Pedon ID:
1982IL029019
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
83P0059
NCSS Pedon Lab Data NASIS Record ID -
51751
Print Date:
11/24/2024
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:
39.4319458
Std. Longitude:
-88.1575012
Datum:
WGS84
Township:
11N
Range:
9E
Section:
1
PLSS Details:
180 feet east and 740 feet south of the NW corner
Map Unit:
3451cA—Lawson silt loam, cool mesic, 0 to 2 percent slopes, frequently flooded
Country:
US—United States
State:
Illinois
County:
IL029—Coles
MLRA:
108—Illinois and Iowa Deep Loess and Drift
Regional Office:
NC—North Central
MLRA Soil Survey Area:
NC-AUR—Aurora, Illinois
Non-MLRA Soil Survey Area:
IL029—Coles County, Illinois
7.5 Minute USGS Quad:
39088-D2—Charleston South, Illinois
PEDON
Current Taxonomic Class:
Fine-silty, mixed, mesic Cumulic Hapludolls
Pedon Type:
TUD pedon
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
19
Correlated Information:
Soil Name -
Lawson
PSC -
25 to 100 cm.
Classificaton Date -
5/9/2006
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Lawson
Taxon Kind -
series
Classificaton Date -
6/1/1982
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
silty alluvium
Landscape:
till plain
Landform:
flood plain
Slope Shape Across:
linear
Slope Shape Down:
linear
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/1/1982 (entry creation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
0—66
—66—
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
1
—
—
170.7
—
0
1041
—
186
12.2
—
—
—
—
—
—
—
—
—
—
Ap—0 to 28 centimeters (0.0 to 11.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate fine granular structure; friable; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # 83P00256
A—28 to 66 centimeters (11.0 to 26.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; 1 percent yellowish brown (10YR 5/4) fine distinct and 1 percent brown (10YR 5/3) fine faint mottles; moderate medium subangular blocky, and moderate fine granular structure; firm; fragments; neutral, pH 7.0; clear smooth boundary.
C1—66 to 105 centimeters (26.0 to 41.3 inches); very dark grayish brown (10YR 3/2) silt loam; weak coarse subangular blocky structure; firm; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # 83P00257
C2—105 to 152 centimeters (41.3 to 59.8 inches); very dark grayish brown (10YR 3/2) silt loam; massive; friable; 10 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0.