IDENTIFIERS
Current Taxon Name (Soil Name):
Onarga
OSD
Series Extent
User Site ID:
1985IL125046
User Pedon ID:
1985IL125046
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
85IL125046
NCSS Pedon Lab Data NASIS Record ID -
21871
Print Date:
1/30/2025
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:
40.3545917
Std. Longitude:
-89.8197111
Datum:
WGS84
Township:
22N
Range:
6W
Section:
18
PLSS Details:
70 feet N & 171 feet W of the center
Location Description:
Forest City Township
State:
Illinois
County:
IL125—Mason
MLRA:
115—Central Mississippi Valley Wooded Slopes
Non-MLRA Soil Survey Area:
IL125—Mason County, Illinois
7.5 Minute USGS Quad:
40089-C7—Forest City, Illinois
PEDON
Describers Name:
PRK, WMT, WKS
Current Taxonomic Class:
Coarse-loamy, mixed, superactive, mesic Typic Argiudolls
Current Taxon Kind:
series
Pedon Record Orgin:
PedonPC
Pedon #:
46
Correlated Information:
Soil Name -
Onarga
PSC -
64 to 114 cm.
Classificaton Date -
1/4/2010
Moisture Class -
udic
Sampled As Information:
Soil Name -
Onarga
Classificaton Date -
8/1/1985
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
outwash
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1985 (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
1
—
—
151
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; sandy loam; weak fine subangular blocky structure; friable; 3.0 fine roots; 50 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL32041
A—25 to 46 centimeters (9.8 to 18.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; sandy loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 50 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL32042
Bt1—46 to 64 centimeters (18.1 to 25.2 inches); brown (10YR 4/3) sandy loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 25 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds and 50 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL32043
Bt2—64 to 84 centimeters (25.2 to 33.1 inches); dark yellowish brown (10YR 4/4) sandy loam; weak fine prismatic, and moderate medium subangular blocky structure; friable; 0.6 very fine roots; 25 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL32044
BC—84 to 122 centimeters (33.1 to 48.0 inches); yellowish brown (10YR 5/6) loamy sand; weak medium prismatic, and weak medium subangular blocky structure; very friable; 0.6 very fine roots; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # IL32045
C—122 to 152 centimeters (48.0 to 59.8 inches); yellowish brown (10YR 5/8) sand; single grain; loose; fragments; moderately acid, pH 5.8. Lab sample # IL32046