IDENTIFIERS
Current Taxon Name (Soil Name):
Bluford
OSD
Series Extent
User Site ID:
1984IL121055
User Pedon ID:
1984IL121055
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
84IL121055
NCSS Pedon Lab Data NASIS Record ID -
21794
Print Date:
4/23/2025
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:
38.5706333
Std. Longitude:
-88.7370528
Datum:
WGS84
Township:
2N
Range:
4E
Section:
34
PLSS Details:
377 feet N & 2185 feet E of the center
Location Description:
Iuka Township
State:
Illinois
County:
IL121—Marion
MLRA:
113—Central Claypan Areas
Non-MLRA Soil Survey Area:
IL121—Marion County, Illinois
7.5 Minute USGS Quad:
38088-E6—Orchardville, Illinois
PEDON
Describers Name:
CCM
Current Taxonomic Class:
Fine, smectitic, mesic Aeric Fragic Epiaqualfs
Current Taxon Kind:
taxadjunct
Pedon Record Orgin:
PedonPC
Pedon #:
55
Correlated Information:
Soil Name -
Bluford
PSC -
30 to 80 cm.
Classificaton Date -
1/4/2010
Moisture Class -
aquic
Sampled As Information:
Soil Name -
Bluford
Classificaton Date -
8/1/1984
Dynamic Soil Properties:
Erosion Class -
2
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1984 (actual site observation date)
Air Photo ID:
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
close-grown 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
5
—
—
152
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2), very pale brown (10YR 7/3), dry; silt loam; weak fine granular, and weak fine subangular blocky structure; friable; 1 percent medium iron-manganese concretions and 10 percent fine iron-manganese concretions; fragments; slightly alkaline, pH 7.4; abrupt smooth boundary. Lab sample # IL31051
Bt1—15 to 30 centimeters (5.9 to 11.8 inches); brown (10YR 5/3) silty clay loam; 10 percent strong brown (7.5YR 5/6) fine prominent mottles; weak fine subangular blocky structure; firm; 10 percent faint light gray (10YR 7/2), moist, silt coats on all faces of peds and 50 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent medium iron-manganese concretions and 10 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # IL31052
Bt2—30 to 46 centimeters (11.8 to 18.1 inches); brown (10YR 5/3) silty clay loam; 10 percent grayish brown (10YR 5/2) fine faint mottles; moderate medium prismatic, and moderate medium angular blocky structure; firm; 25 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds and 50 percent faint light gray (10YR 7/2), moist, silt coats on all faces of peds; 10 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # IL31053
Bt3—46 to 61 centimeters (18.1 to 24.0 inches); grayish brown (10YR 5/2) silty clay loam; 25 percent strong brown (7.5YR 5/6) fine prominent mottles; weak medium prismatic, and moderate medium angular blocky structure; firm; 25 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds and 25 percent faint light gray (10YR 7/2), moist, silt coats on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # IL31054
2Bt4—61 to 97 centimeters (24.0 to 38.2 inches); light brownish gray (10YR 6/2) and brown (10YR 5/3) silty clay loam; 25 percent strong brown (7.5YR 5/6) fine prominent mottles; weak medium prismatic, and weak medium angular blocky structure; firm; 10 percent faint light gray (10YR 7/2), moist, silt coats on all faces of peds and 50 percent distinct brown (10YR 5/3), moist, clay films on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.6; gradual smooth boundary. Lab sample # IL31055
2Btx—97 to 137 centimeters (38.2 to 53.9 inches); light brownish gray (10YR 6/2) silty clay loam; 25 percent strong brown (7.5YR 5/6) medium prominent and 25 percent yellowish brown (10YR 5/6) medium prominent mottles; weak medium subangular blocky structure; firm; 25 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.6; gradual smooth boundary. Lab sample # IL31056
2C—137 to 152 centimeters (53.9 to 59.8 inches); light brownish gray (2.5Y 6/2) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium prominent and 10 percent yellowish brown (10YR 5/4) medium prominent mottles; massive; friable; 1 percent fine iron-manganese concretions; fragments; strongly acid, pH 5.5. Lab sample # IL31057