IDENTIFIERS
Current Taxon Name (Soil Name):
Ava
OSD
Series Extent
User Site ID:
1986IL199005
User Pedon ID:
1986IL199005
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
86IL199005
NCSS Pedon Lab Data NASIS Record ID -
22035
Print Date:
12/11/2024
LOCATION
Township:
9S
Range:
4E
Section:
6
PLSS Details:
S 1/2, W 1/4
State:
Illinois
County:
IL199—Williamson
Non-MLRA Soil Survey Area:
IL199—Williamson County, Illinois
PEDON
Describers Name:
R. G. Darmody
Current Taxonomic Class:
Fine-silty, mixed, active, mesic Oxyaquic Fragiudalfs
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
PedonPC
Pedon #:
5
Correlated Information:
Soil Name -
Ava
PSC -
38 to 88 cm.
Classificaton Date -
6/5/2009
Moisture Class -
udic
Moisture Subclass -
oxyaquic
Sampled As Information:
Soil Name -
Ava
Classificaton Date -
6/1/1986
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
Peoria loess and/or Illinoian till
Landscape:
till plain
Landform:
drainageway
Geomorphic Component Hills:
side slope
Slope Shape Down:
convex
Runoff:
high
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/1/1986 (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 -
Pedon Restrictions
Kind
Hardness
Restriction Depth L-H
Restriction Thickness L-RV-H
cm
fragipan
strongly coherent
120 - 178
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
fragipan
0—38
38—159
120—178
—-
—-
—-
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
9
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—
—
—
—
—
—
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Ap1—0 to 12 centimeters (0.0 to 4.7 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; weak medium granular structure; friable; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL33373
Ap2—12 to 22 centimeters (4.7 to 8.7 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; weak medium subangular blocky structure; firm; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL33374
BE—22 to 38 centimeters (8.7 to 15.0 inches); dark yellowish brown (10YR 4/4) silt loam; yellowish brown (10YR 5/6) and 1 percent brown (10YR 5/3) fine faint mottles; weak medium subangular blocky structure; friable; 10 percent distinct dark brown (10YR 3/3), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL33375
Bt1—38 to 60 centimeters (15.0 to 23.6 inches); dark yellowish brown (10YR 4/6) silty clay loam; yellowish brown (10YR 5/6) and 1 percent pale brown (10YR 6/3) fine faint mottles; weak medium subangular blocky structure; friable; 10 percent faint dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL33376
Bt2—60 to 80 centimeters (23.6 to 31.5 inches); yellowish brown (10YR 5/6) silty clay loam; 1 percent pale brown (10YR 6/3) fine faint and 10 percent yellowish brown (10YR 5/6) medium faint mottles; moderate medium subangular blocky structure; friable; 10 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds and 10 percent faint yellowish brown (10YR 5/6), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL33377
E/Bt—80 to 92 centimeters (31.5 to 36.2 inches); yellowish brown (10YR 5/6) silty clay loam; 1 percent light brownish gray (10YR 6/2) fine distinct and 25 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium subangular blocky structure; firm; 10 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 50 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL33378
B't—92 to 120 centimeters (36.2 to 47.2 inches); yellowish brown (10YR 5/4) silty clay; yellowish brown (10YR 5/8) and 10 percent brown (10YR 5/3) medium prominent mottles; moderate medium subangular blocky structure; friable; 10 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds and 25 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL33379
2Btx—120 to 159 centimeters (47.2 to 62.6 inches); dark yellowish brown (10YR 4/4) loam; 1 percent yellowish brown (10YR 5/6) fine distinct and 10 percent pale brown (10YR 6/3) coarse distinct mottles; moderate medium prismatic parts to moderate medium angular blocky structure; very firm; brittle; 50 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds and 50 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL33380
2Bx—159 to 178 centimeters (62.6 to 70.1 inches); yellowish brown (10YR 5/4) loam; 1 percent yellowish brown (10YR 5/6) fine faint and 10 percent pale brown (10YR 6/3) coarse distinct mottles; weak coarse prismatic structure; very firm; brittle; 10 percent distinct silt coats on all faces of peds and 10 percent faint clay films on all faces of peds; fragments; strongly acid, pH 5.3. Lab sample # IL33381