IDENTIFIERS
Current Taxon Name (Soil Name):
Alford
OSD
Series Extent
User Site ID:
S1996IL181004
User Pedon ID:
S1996IL181004
Vegetation Plot ID:
S1996IL181004
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
96P0340
NCSS Pedon Lab Data NASIS Record ID -
68418
Print Date:
4/19/2025
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:
37.3763885
Std. Longitude:
-89.1192245
Datum:
WGS84
Township:
13S
Range:
1E
Section:
20
PLSS Details:
NE 1/4 NE1/4 NE1/4
Location Description:
in a cultivated field.
State:
Illinois
County:
IL181—Union
MLRA:
115—Central Mississippi Valley Wooded Slopes
Non-MLRA Soil Survey Area:
IL181—Union County, Illinois
7.5 Minute USGS Quad:
37089-D1—Mount Pleasant, Illinois
PEDON
Describers Name:
ECW, DRW
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
4
Sampled As Information:
Soil Name -
Alford
Classificaton Date -
7/8/1996
Moisture Class -
udic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
karstland
Hill Slope Profile:
toeslope
Slope Shape Across:
concave
Slope Shape Down:
concave
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/8/1996 (actual site observation date)
Air Photo ID:
54
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
wind and water erosion
Vegetation Plot Plants
Plant Symbol
Scientific Name
National Vernacular Name
Plant Type Group
Canopy Cover %
Vegetation Stata Level
CIRSI
Cirsium
thistle
—
—
—
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
7
—
—
—
—
135
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark yellowish brown (10YR 4/4) crushed, yellowish brown (10YR 5/4) crushed, dry; silt loam; moderate medium and coarse platy parts to weak medium and coarse granular structure; hard; 21.0 very fine roots throughout; 21.0 very fine and fine high-continuity interstitial and tubular pores; fragments; very slight effervescence, by hcl, unspecified; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 96P02628
AB—20 to 37 centimeters (7.9 to 14.6 inches); dark yellowish brown (10YR 4/4) interior silt loam; weak medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout; 3.0 very fine and fine high-continuity interstitial and tubular pores; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 96P02629
Bt1—37 to 54 centimeters (14.6 to 21.3 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; weak medium and coarse subangular blocky structure; friable; 3.0 very fine roots throughout; 3.0 very fine high-continuity interstitial and tubular pores; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 96P02630
Bt2—54 to 78 centimeters (21.3 to 30.7 inches); 90 percent dark yellowish brown (10YR 4/4) interior silty clay loam; weak medium and coarse subangular blocky structure; friable; 0.5 very fine roots throughout; 3.0 very fine high-continuity interstitial and tubular pores; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 96P02631
Bt3—78 to 109 centimeters (30.7 to 42.9 inches); 60 percent dark yellowish brown (10YR 4/4) interior silty clay loam; weak medium and coarse subangular blocky structure; friable; 0.5 very fine roots top of horizon; 3.0 very fine high-continuity interstitial and tubular pores; 10 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds and 10 percent prominent dark yellowish brown (10YR 4/6), moist, oxide coats throughout; 3 percent fine irregular noncoherent cemented black (10YR 2/1) iron-manganese masses throughout; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 96P02632. discontinuous - phpvsfiid 183041; patchy - phpvsfiid 183042; discontinuous - phpvsfiid 183041; patchy - phpvsfiid 183042
2Bt4—109 to 148 centimeters (42.9 to 58.3 inches); 60 percent brown (7.5YR 4/4) interior silty clay loam; weak medium prismatic parts to weak medium subangular blocky structure; friable; 3.0 very fine high-continuity interstitial and tubular pores; 10 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds and 10 percent prominent dark yellowish brown (10YR 4/6), moist, oxide coats throughout and 10 percent prominent yellowish red (5YR 5/8), moist, oxide coats throughout; 3 percent fine irregular noncoherent cemented black (10YR 2/1) iron-manganese masses throughout; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 96P02633. discontinuous - phpvsfiid 183043; patchy - phpvsfiid 183044; patchy - phpvsfiid 183045; discontinuous - phpvsfiid 183043; patchy - phpvsfiid 183044; patchy - phpvsfiid 183045
2Bt5—148 to 170 centimeters (58.3 to 66.9 inches); 65 percent brown (7.5YR 4/4) interior silty clay loam; 1 percent strong brown (7.5YR 5/8) fine prominent spherical mottles; weak medium prismatic parts to weak medium subangular blocky structure; friable; 0.5 very fine high-continuity interstitial and tubular pores; 1 percent prominent yellowish red (5YR 5/8), moist, oxide coats throughout and 10 percent distinct grayish brown (10YR 5/2), moist, oxide coats on faces of peds and 10 percent prominent dark yellowish brown (10YR 4/6), moist, oxide coats throughout; 3 percent fine irregular noncoherent cemented black (10YR 2/1) iron-manganese masses throughout; fragments; noneffervescent; neutral, pH 7.0, hellige-truog. Lab sample # 96P02634. discontinuous - phpvsfiid 183046; patchy - phpvsfiid 183047; patchy - phpvsfiid 183048; discontinuous - phpvsfiid 183046; patchy - phpvsfiid 183047; patchy - phpvsfiid 183048