IDENTIFIERS
Current Taxon Name (Soil Name):
Alford
OSD
Series Extent
User Site ID:
1945IL157001
User Pedon ID:
1945IL157001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
45IL157001
NCSS Pedon Lab Data NASIS Record ID -
20437
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:
37.9928452
Std. Longitude:
-89.9245581
Datum:
WGS84
Township:
6S
Range:
7W
Section:
19
Location Description:
1.85 mi SW of Ill. Rt.3, then 200 FT NW along fence, then 20 FT SE
State:
Illinois
County:
IL157—Randolph
MLRA:
115—Central Mississippi Valley Wooded Slopes
Non-MLRA Soil Survey Area:
IL157—Randolph County, Illinois
PEDON
Describers Name:
JBF
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Ultic Hapludalfs
Pedon Record Orgin:
PedonPC
Pedon #:
1
Correlated Information:
Soil Name -
Alford
PSC -
48 to 98 cm.
Classificaton Date -
2/22/2010
Moisture Class -
udic
Sampled As Information:
Soil Name -
Alford
Classificaton Date -
8/1/1945
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1945 (actual site observation date)
Air Photo ID:
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
Yield Study ID -
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
6
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A1p—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) silt loam; friable; fragments. Lab sample # IL17107
A2—18 to 38 centimeters (7.1 to 15.0 inches); variegated brown (10YR 5/3) silt loam; friable; fragments. Lab sample # IL17108, IL17109. Horizon split for sampling: IL17108 18 to 25 cm, IL17109 25 to 38 cm.
B1—38 to 48 centimeters (15.0 to 18.9 inches); brown (7.5YR 4/4) silty clay loam; weak medium subangular blocky structure; brown (10YR 4/3), moist, organic stains on all faces of peds; fragments. Lab sample # IL17110
B21—48 to 66 centimeters (18.9 to 26.0 inches); brown (7.5YR 4/4) silty clay loam; moderate medium subangular blocky structure; firm; dark brown (7.5YR 3/4), moist, organoargillans on all faces of peds; fragments. Lab sample # IL17111, IL17112. Horizon split for sampling: IL17111 48 to 56 cm, IL17112 56 to 66 cm.
B22—66 to 97 centimeters (26.0 to 38.2 inches); brown (7.5YR 4/4) silty clay loam; coarse angular blocky structure; very firm; dark brown (7.5YR 3/4), moist, organoargillans on all faces of peds; fragments. Lab sample # IL17113, IL17116, IL17114, IL17115. Horizon split for sampling: IL17113 66 to 71 cm, IL17114 71 to 76 cm, IL17115 76 to 86 cm, IL17116 86 to 97 cm.
B3—97 to 152 centimeters (38.2 to 59.8 inches); brown (7.5YR 4/4) silty clay loam; brown (7.5YR 5/4), moist, organic stains on all faces of peds; fragments. Lab sample # IL17117, IL17120, IL17118, IL17119. Horizon split for sampling: IL17117 97 to 109 cm, IL17118 109 to 122 cm, IL17119 122 to 137 cm, IL17120 137 to 152 cm.
C—152 to 229 centimeters (59.8 to 90.2 inches); dark yellowish brown (10YR 4/4) silt loam; fragments. Lab sample # IL17121, IL17123, IL17122. Horizon split for sampling: IL17121 152 to 178 cm, IL17122 178 to 203 cm, IL17123 203 to 229 cm.