IDENTIFIERS
Current Taxon Name (Soil Name):
Martinsville
OSD
Series Extent
User Site ID:
1979IL157075
User Pedon ID:
1979IL157075
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
79IL157075
NCSS Pedon Lab Data NASIS Record ID -
21164
Print Date:
2/17/2025
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:
38.2139113
Std. Longitude:
-89.8883683
Datum:
WGS84
Township:
4S
Range:
7W
Section:
4
PLSS Details:
2500 feet S & 100 feet E of NW corner
State:
Illinois
County:
IL157—Randolph
MLRA:
114—Southern Illinois and Indiana Thin Loess and Till Plain
Non-MLRA Soil Survey Area:
IL157—Randolph County, Illinois
7.5 Minute USGS Quad:
38089-B8—Red Bud, Illinois
PEDON
Describers Name:
CCM, GH
Current Taxonomic Class:
Fine-loamy, mixed, active, mesic Typic Hapludalfs
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
PedonPC
Pedon #:
75
Correlated Information:
Soil Name -
Martinsville
PSC -
30 to 80 cm.
Classificaton Date -
1/4/2010
Moisture Class -
udic
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
St. Charles
Classificaton Date -
10/1/1979
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
Peoria loess and silty sediments over loamy outwash
Landform:
terrace, ridge
Runoff:
low
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/1/1979 (actual site observation date)
Air Photo ID:
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
hardwoods
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Yield Study ID -
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—25
30—97
—-
—-
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
3
—
—
117
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A1—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium granular, and moderate fine subangular blocky structure; firm; 5.0 roots between peds; fragments; moderately acid, pH 6.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26768; observed in push tube
A21—10 to 20 centimeters (3.9 to 7.9 inches); 20 percent dark brown (10YR 3/3) and brown (10YR 4/3) silt loam; weak fine subangular blocky, and structureless massive; firm; 5.0 roots between peds; fragments; moderately acid, pH 6.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26769; observed in push tube
A22—20 to 25 centimeters (7.9 to 9.8 inches); light yellowish brown (10YR 6/4) silt loam; 1 percent yellowish brown (10YR 5/8) medium distinct mottles; weak medium platy, and structureless massive; firm; 5.0 roots between peds; fragments; slightly acid, pH 6.4, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26770; observed in push tube
B1—25 to 30 centimeters (9.8 to 11.8 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; firm; 3.0 roots between peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; strongly acid, pH 5.1, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26771; observed in push tube
B21t—30 to 46 centimeters (11.8 to 18.1 inches); strong brown (7.5YR 5/6) silty clay loam; moderate medium prismatic parts to moderate medium angular blocky structure; firm; 3.0 roots between peds; distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; strongly acid, pH 5.4, lamotte-morgan; clear smooth boundary. Lab sample # IL26772; observed in push tube. continuous - phpvsfiid 481263; continuous - phpvsfiid 481263
B22t—46 to 69 centimeters (18.1 to 27.2 inches); yellowish brown (10YR 5/6) and brown (10YR 5/3) silty clay loam; strong medium prismatic parts to moderate medium subangular blocky structure; firm; 3.0 roots between peds; distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; 10 percent prominent iron-manganese concretions in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL26773; observed in push tube. continuous - phpvsfiid 481261; continuous - phpvsfiid 481261
B23t—69 to 97 centimeters (27.2 to 38.2 inches); 25 percent grayish brown (10YR 5/2) and brown (10YR 5/3) clay loam; 10 percent strong brown (7.5YR 5/8) medium distinct mottles; moderate medium prismatic parts to moderate coarse angular blocky structure; firm; 3.0 roots between peds; distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; 10 percent prominent iron-manganese concretions in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; gradual smooth boundary. Lab sample # IL26774; observed in push tube. continuous - phpvsfiid 481264; continuous - phpvsfiid 481264
B3—97 to 124 centimeters (38.2 to 48.8 inches); brown (10YR 5/3) and grayish brown (10YR 5/2) loam; 1 percent yellowish red (5YR 5/6) medium prominent and 25 percent strong brown (7.5YR 5/8) medium distinct mottles; weak medium angular blocky structure; firm; 0.6 roots between peds; distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; neutral, pH 6.8, lamotte-morgan; gradual smooth boundary. Lab sample # IL26775; observed in push tube. patchy - phpvsfiid 481262; patchy - phpvsfiid 481262
C1—124 to 163 centimeters (48.8 to 64.2 inches); grayish brown (10YR 5/2) and brown (10YR 5/3) sandy loam; 25 percent strong brown (7.5YR 5/8) coarse prominent and 25 percent yellowish red (5YR 5/6) coarse prominent mottles; structureless massive; firm; prominent brown (7.5YR 4/4), moist, clay films on surfaces along pores; fragments; slightly acid, pH 6.1, lamotte-morgan; clear smooth boundary. Lab sample # IL26776; observed in push tube
C2—163 to 175 centimeters (64.2 to 68.9 inches); yellowish brown (10YR 5/4) fine sandy loam; structureless massive; loose; fragments; slightly acid, pH 6.5, lamotte-morgan.