IDENTIFIERS
Current Taxon Name (Soil Name):
Ipava
OSD
Series Extent
User Site ID:
1939IL057001
User Pedon ID:
1939IL057001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
39IL057001
NCSS Pedon Lab Data NASIS Record ID -
20404
Print Date:
4/2/2025
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:
40.3467858
Std. Longitude:
-90.3171671
Datum:
WGS84
Township:
4N
Range:
2E
Section:
7
Location Description:
42 FT W of paved road center,12FT W of fence,63YDS S of drainageway
State:
Illinois
County:
IL057—Fulton
MLRA:
115—Central Mississippi Valley Wooded Slopes
Non-MLRA Soil Survey Area:
IL057—Fulton County, Illinois
PEDON
Describers Name:
JSL, JBF
Current Taxonomic Class:
Fine, smectitic, mesic Aquic Argiudolls
Current Taxon Kind:
series
Pedon Record Orgin:
PedonPC
Pedon #:
1
Correlated Information:
Soil Name -
Ipava
PSC -
51 to 101 cm.
Classificaton Date -
2/22/2010
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Ipava
Classificaton Date -
11/1/1939
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Landscape:
upland
Landform:
flat
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
11/1/1939 (entry creation date)
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
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
1
—
—
—
—
890
—
170
11
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) silt loam; strong medium granular structure; friable; 6.0 roots; fragments; neutral, pH 7.3; abrupt smooth boundary. Lab sample # IL15923, IL15924. Horizon split for sampling: IL15923 0 to 10 cm, IL15924 10 to 18 cm.
A1—18 to 25 centimeters (7.1 to 9.8 inches); black (10YR 2/1) silt loam; strong medium granular structure; friable; 6.0 roots; fragments; slightly alkaline, pH 7.4; gradual smooth boundary. Lab sample # IL15925
A2—25 to 41 centimeters (9.8 to 16.1 inches); very dark brown (10YR 2/2) silty clay loam; strong medium granular structure; friable; 6.0 roots; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL15926, IL15927. Horizon split for sampling: IL15926 25 to 33 cm, IL15927 33 to 41 cm.
Bw—41 to 51 centimeters (16.1 to 20.1 inches); dark grayish brown (10YR 4/2) silty clay loam; strong fine subangular blocky structure; firm; 3.0 roots; 10 percent fine distinct strong brown (7.5YR 5/8) masses of oxidized iron; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL15928, IL15929. Horizon split for sampling: IL15928 41 to 46 cm, IL15929 46 to 51 cm.
Bt1—51 to 71 centimeters (20.1 to 28.0 inches); light brownish gray (10YR 6/2) silty clay loam; strong medium subangular blocky structure; firm; 3.0 roots; black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on surfaces along pores and black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on surfaces along root channels; 25 percent fine prominent strong brown (7.5YR 5/8) masses of oxidized iron and 25 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # IL15930, IL15931. Horizon split for sampling: IL15930 51 to 61 cm, IL15931 61 to 71 cm.
Bt2—71 to 91 centimeters (28.0 to 35.8 inches); light brownish gray (2.5Y 6/2) silty clay loam; moderate medium angular blocky structure; firm; 3.0 roots; 25 percent black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on all faces of peds and 25 percent black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on surfaces along root channels; 1 percent fine prominent strong brown (7.5YR 5/8) masses of oxidized iron and 10 percent black (10YR 2/1), moist, iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/8) masses of oxidized iron; fragments; moderately acid, pH 5.6; gradual smooth boundary. Lab sample # IL15932, IL15933. Horizon split for sampling: IL15932 71 to 84 cm, IL15933 84 to 91 cm.
Bt3—91 to 107 centimeters (35.8 to 42.1 inches); light brownish gray (2.5Y 6/2) silty clay loam; weak coarse angular blocky structure; firm; 0.6 roots; black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on surfaces along pores and black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on surfaces along root channels; 25 percent black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent 10YR 4/8 (10YR 4/8) masses of oxidized iron; fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # IL15934
Bt4—107 to 132 centimeters (42.1 to 52.0 inches); light brownish gray (2.5Y 6/2) silt loam; weak coarse angular blocky structure; friable; black (10YR 2/1) and very dark gray (10YR 3/1) organoargillans on all faces of peds and very dark gray (10YR 3/1) and black (10YR 2/1) organoargillans on surfaces along root channels; 25 percent black (10YR 2/1), moist, iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/8) masses of oxidized iron; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL15935
C1—132 to 147 centimeters (52.0 to 57.9 inches); light brownish gray (2.5Y 6/2) silt loam; massive; friable; 10 percent very dark gray (10YR 3/1) organoargillans on all faces of peds; 10 percent fine prominent strong brown (7.5YR 5/8) masses of oxidized iron and 25 percent medium black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/8) masses of oxidized iron; fragments; neutral, pH 6.6; gradual smooth boundary. Lab sample # IL15936
C2—147 to 165 centimeters (57.9 to 65.0 inches); light brownish gray (2.5Y 6/2) silt loam; massive; friable; 10 percent very dark gray (10YR 3/1), moist, organoargillans on surfaces along pores and 10 percent very dark gray (10YR 3/1), moist, organoargillans on surfaces along root channels; 10 percent fine prominent strong brown (7.5YR 5/8) masses of oxidized iron and 25 percent medium black (10YR 2/1) iron-manganese concretions and 25 percent coarse faint yellowish brown (10YR 5/8) masses of oxidized iron; fragments; neutral, pH 7.1. Lab sample # IL15937