IDENTIFIERS
Current Taxon Name (Soil Name):
Ava
OSD
Series Extent
User Site ID:
S1959IL135001
User Pedon ID:
S1959IL135001
Vegetation Plot ID:
S1959IL135001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
40A1407
NCSS Pedon Lab Data NASIS Record ID -
35015
Print Date:
4/26/2025
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:
39.0394440
Std. Longitude:
-89.2794418
Datum:
WGS84
Township:
7N
Range:
2W
Section:
23
PLSS Details:
300 feet north and 100 feet west of southeast corner, NW 160, NE 40
State:
Illinois
County:
IL135—Montgomery
Non-MLRA Soil Survey Area:
IL135—Montgomery County, Illinois
PEDON
Describers Name:
F.J. Carlisle, R.B. Grossman, J.B. Fehrenbacher, C.E. Downey, and G.O. Walker
Current Taxonomic Class:
Fine-silty, mixed, active, mesic Oxyaquic Fraglossudalfs
Current Taxon Kind:
series
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
1
Correlated Information:
Soil Name -
Ava
Classificaton Date -
1/27/2010
Moisture Class -
udic
Moisture Subclass -
oxyaquic
Sampled As Information:
Soil Name -
Ava
Classificaton Date -
10/26/1959
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Slope Shape Down:
convex
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/26/1959 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
intermixed conifers and hardwoods
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Vegetation Plot Plants
Plant Symbol
Scientific Name
National Vernacular Name
Plant Type Group
Canopy Cover %
Vegetation Stata Level
QUERC
Quercus
oak
—
—
—
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
3
—
—
—
—
45
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O1—0 to 7 centimeters (0.0 to 2.8 inches); fragments. Lab sample # 40A10815
O2—7 to 8 centimeters (2.8 to 3.1 inches); black (10YR 2/1) and very dark brown (10YR 2/2); friable; fragments. Lab sample # 40A10816
A1—8 to 26 centimeters (3.1 to 10.2 inches); dark grayish brown (10YR 4/2) silt loam; massive; very friable; 21.0 roots; 21.0 fine and medium tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 40A10817
A2—26 to 38 centimeters (10.2 to 15.0 inches); brown (10YR 4/3) silt loam; weak thin platy parts to medium subangular blocky structure; friable; 21.0 roots; 0.5 medium tubular and 21.0 fine tubular pores; fragments; moderately acid, pH 5.6, hellige-truog; gradual boundary. Lab sample # 40A10818
B21—38 to 54 centimeters (15.0 to 21.3 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure; friable; 3.0 roots; 0.5 medium tubular and 3.0 fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; clear boundary. Lab sample # 40A10819
B22—54 to 64 centimeters (21.3 to 25.2 inches); dark yellowish brown (10YR 4/4) silt loam; weak and moderate medium subangular blocky structure; friable; 3.0 roots; 0.5 medium tubular and 3.0 fine tubular pores; faint brown (10YR 5/3), moist, silt coats on faces of peds and 10 percent dark brown (10YR 3/3) clay films; fragments; very strongly acid, pH 4.8, hellige-truog; clear boundary. Lab sample # 40A10820. patchy - phpvsfiid 181100; discontinuous - phpvsfiid 181101; patchy - phpvsfiid 181100; discontinuous - phpvsfiid 181101
B23&A'2—64 to 72 centimeters (25.2 to 28.3 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent dark brown (10YR 3/3) fine faint mottles; moderate fine and medium subangular blocky structure; friable; 0.5 medium tubular and 3.0 fine tubular pores; pale brown (10YR 6/3), moist, silt coats on faces of peds and very pale brown (10YR 7/3), moist, silt coats on faces of peds and very pale brown (10YR 8/2), dry, silt coats on faces of peds and brown (10YR 5/3) clay films; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt irregular boundary. Lab sample # 40A10821. continuous - phpvsfiid 181102; continuous - phpvsfiid 181103; continuous - phpvsfiid 181104; patchy - phpvsfiid 181105; continuous - phpvsfiid 181102; continuous - phpvsfiid 181103; continuous - phpvsfiid 181104; patchy - phpvsfiid 181105
A'2&B'21—72 to 77 centimeters (28.3 to 30.3 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent dark yellowish brown (10YR 4/4) fine faint mottles; strong fine and medium angular blocky structure; firm; brown (7.5YR 4/2) clay films on faces of peds and distinct brown (7.5YR 4/2) clay films and dark brown (7.5YR 3/4); fragments; very strongly acid, pH 4.8, hellige-truog; abrupt irregular boundary. Lab sample # 40A10822
B'22—77 to 102 centimeters (30.3 to 40.2 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium prismatic, and moderate fine and medium angular blocky structure; firm, moderately sticky, moderately plastic; 0.5 roots; 3.0 fine tubular pores; distinct dark grayish brown (10YR 4/2) clay films and faint dark brown (7.5YR 3/4); fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # 40A10823. continuous - phpvsfiid 181109; continuous - phpvsfiid 181109
B'31m—102 to 122 centimeters (40.2 to 48.0 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) silty clay loam; 1 percent dark yellowish brown (10YR 4/4) fine faint mottles; moderate medium prismatic parts to coarse prismatic structure; very firm, slightly sticky, slightly plastic; brittle; 0.5 roots; 0.5 medium tubular and 3.0 fine tubular pores; distinct brown (10YR 4/3) clay films on vertical faces of peds and dark yellowish brown (10YR 3/4); fragments; very strongly acid, pH 4.8, hellige-truog; gradual boundary. Lab sample # 40A10824. continuous - phpvsfiid 181111; continuous - phpvsfiid 181111
B'32m—122 to 145 centimeters (48.0 to 57.1 inches); yellowish brown (10YR 5/4) silty clay loam; 40 percent light brownish gray (10YR 6/2) fine and medium distinct mottles; weak coarse prismatic structure; very firm; brittle; 0.5 roots; 3.0 fine and medium tubular pores; distinct dark yellowish brown (10YR 3/4) clay films on vertical faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear boundary. Lab sample # 40A10825. continuous - phpvsfiid 181113; continuous - phpvsfiid 181113
IIB'33m—145 to 176 centimeters (57.1 to 69.3 inches); grayish brown (10YR 5/2) and dark yellowish brown (10YR 4/4) loam; massive; extremely firm*; 0.5 roots; 3.0 fine and medium tubular pores; distinct dark brown (10YR 3/3) clay films; fragments. Lab sample # 40A10826. continuous - phpvsfiid 181114; continuous - phpvsfiid 181114