IDENTIFIERS
Current Taxon Name (Soil Name):
Atlas
OSD
Series Extent
User Site ID:
1984IL121044
User Pedon ID:
1984IL121044
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
84IL121044
NCSS Pedon Lab Data NASIS Record ID -
21727
Print Date:
5/20/2024
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:
38.4850222
Std. Longitude:
-89.0336528
Datum:
WGS84
Township:
1N
Range:
1E
Section:
36
PLSS Details:
1320 feet S & 138 feet W of the NE corner
Location Description:
Centralia 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:
38089-D1—Walnut Hill, Illinois
PEDON
Describers Name:
CCM, WBD
Current Taxonomic Class:
Fine, smectitic, mesic Aeric Chromic Vertic Epiaqualfs
Current Taxon Kind:
series
Pedon Record Orgin:
PedonPC
Pedon #:
44
Correlated Information:
Soil Name -
Atlas
PSC -
33 to 83 cm.
Classificaton Date -
1/4/2010
Moisture Class -
aquic
Sampled As Information:
Soil Name -
Atlas
Classificaton Date -
7/1/1984
Dynamic Soil Properties:
Erosion Class -
2
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
till
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/1/1984 (actual site observation date)
Air Photo ID:
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
hayland
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
—
—
163
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark yellowish brown (10YR 4/4) and pale brown (10YR 6/3) silt loam; 1 percent strong brown (7.5YR 5/6) fine prominent mottles; weak fine granular, and weak medium platy structure; friable; 6.0 fine roots; 10 percent distinct white (10YR 8/1), moist, silica coats on all faces of peds and 10 percent distinct white (10YR 8/1), moist, silica coats on surfaces along pores; fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # IL30999
Bt—18 to 25 centimeters (7.1 to 9.8 inches); brown (10YR 5/3) silty clay loam; 1 percent light brownish gray (10YR 6/2) fine faint mottles; weak thin platy, and moderate fine subangular blocky structure; friable; 6.0 fine roots; 10 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds and 25 percent distinct yellowish brown (10YR 5/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # IL31000
2Btg1—25 to 33 centimeters (9.8 to 13.0 inches); dark grayish brown (10YR 4/2) silty clay; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium angular blocky structure; very firm; 3.0 fine roots; 10 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # IL31001
2Btg2—33 to 74 centimeters (13.0 to 29.1 inches); olive (5Y 5/3) silty clay, gravel; 10 percent yellowish brown (10YR 5/6) medium prominent and 10 percent brownish yellow (10YR 6/8) medium prominent mottles; moderate medium prismatic structure; firm; 3.0 fine roots; 10 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds and 10 percent distinct white (10YR 8/1), moist, and yellow (10YR 8/6), moist, silica coats on all faces of peds and 10 percent distinct white (10YR 8/1), moist, and yellow (10YR 8/6), moist, silica coats on surfaces along pores; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL31002, IL31003. Horizon split for sampling: IL31002 33 to 53 cm, IL31003 53 to 74 cm.
2Btg3—74 to 104 centimeters (29.1 to 40.9 inches); olive gray (5Y 5/2) silty clay, gravel; 10 percent gray (5Y 5/1) medium faint and 10 percent yellowish brown (10YR 5/6) medium prominent and 10 percent gray (10YR 6/1) medium prominent mottles; moderate medium prismatic structure; very firm; 3.0 fine roots; 10 percent distinct white (10YR 8/1), moist, and brownish yellow (10YR 6/8), moist, silica coats on all faces of peds and 10 percent distinct white (10YR 8/1), moist, and brownish yellow (10YR 6/8), moist, silica coats on surfaces along pores; 10 percent medium irregular iron-manganese concretions; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # IL31004
2Btg4—104 to 130 centimeters (40.9 to 51.2 inches); olive gray (5Y 5/2) silty clay, gravel; 25 percent gray (10YR 5/1) medium prominent and 25 percent brownish yellow (10YR 6/8) medium prominent mottles; moderate medium prismatic, and moderate medium angular blocky structure; very firm; 6.0 fine roots; 10 percent distinct white (10YR 8/1), moist, and brownish yellow (10YR 6/8), moist, silica coats on all faces of peds and 10 percent distinct white (10YR 8/1), moist, and brownish yellow (10YR 6/8), moist, silica coats on surfaces along pores; 1 percent fine irregular iron-manganese concretions; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL31005
2BC—130 to 163 centimeters (51.2 to 64.2 inches); strong brown (7.5YR 5/6) silty clay, gravel; 10 percent brownish yellow (10YR 6/8) medium prominent and 10 percent dark yellowish brown (10YR 4/6) medium prominent and 25 percent gray (10YR 6/1) medium prominent mottles; moderate medium prismatic, and medium angular blocky structure; very firm; 10 percent distinct white (10YR 8/1), moist, and brownish yellow (10YR 6/8), moist, silica coats on all faces of peds and 10 percent distinct white (10YR 8/1), moist, and brownish yellow (10YR 6/8), moist, silica coats on surfaces along pores; 10 percent iron-manganese concretions; fragments; moderately acid, pH 5.8. Lab sample # IL31006