IDENTIFIERS
Current Taxon Name (Soil Name):
Swygert
OSD
Series Extent
User Site ID:
1978IL075005
User Pedon ID:
1978IL075005
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
78IL075005
NCSS Pedon Lab Data NASIS Record ID -
21092
Print Date:
11/21/2024
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:
40.9351170
Std. Longitude:
-87.6228439
Datum:
WGS84
Township:
28N
Range:
11W
Section:
8
PLSS Details:
150 feet S & 1420 feet W of NE corner
State:
Illinois
County:
IL075—Iroquois
MLRA:
98—Southern Michigan and Northern Indiana Drift Plains
Non-MLRA Soil Survey Area:
IL075—Iroquois County, Illinois
7.5 Minute USGS Quad:
40087-H5—Donovan, Illinois
PEDON
Describers Name:
LMK, DJF
Current Taxonomic Class:
Fine, mixed, active, mesic Aquic Argiudolls
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
PedonPC
Pedon #:
5
Correlated Information:
Soil Name -
Swygert
PSC -
23 to 73 cm.
Classificaton Date -
1/4/2010
Moisture Class -
aquic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Elliott
Classificaton Date -
9/1/1978
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
silty clay lacustrine over Wisconsinan calcareous clayey till
Landscape:
till plain
Landform:
ground moraine
Slope Shape Across:
convex
Runoff:
low
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/1/1978 (actual site observation date)
Air Photo ID:
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
hayland
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Yield Study ID -
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
0—23
23—152
—-
—-
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
—
—
203
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; silty clay loam; weak very fine granular structure; friable; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL25536
B1t—23 to 38 centimeters (9.1 to 15.0 inches); very dark gray (10YR 3/1) and dark grayish brown (10YR 4/2) silty clay; weak medium prismatic parts to moderate very fine subangular blocky structure; very firm; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL25537
B21t—38 to 56 centimeters (15.0 to 22.0 inches); light olive brown (2.5Y 5/4) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; very firm; 25 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds and 50 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL25538. discontinuous - phpvsfiid 480200; continuous - phpvsfiid 480199; discontinuous - phpvsfiid 480200; continuous - phpvsfiid 480199
IIB22t—56 to 79 centimeters (22.0 to 31.1 inches); light olive brown (2.5Y 5/4) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct and 25 percent gray (5YR 6/1) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm; 25 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and 50 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25539. continuous - phpvsfiid 480203; continuous - phpvsfiid 480204; continuous - phpvsfiid 480203; continuous - phpvsfiid 480204
IIB23t—79 to 91 centimeters (31.1 to 35.8 inches); light olive brown (2.5Y 5/4) silty clay loam; 10 percent gray (5Y 6/1) fine distinct and 25 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate coarse prismatic parts to weak medium subangular blocky structure; firm; 25 percent prominent dark gray (10YR 4/1), moist, organoargillans on surfaces along root channels and 50 percent faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25540. discontinuous - phpvsfiid 480202; continuous - phpvsfiid 480201; discontinuous - phpvsfiid 480202; continuous - phpvsfiid 480201
IIB24t—91 to 130 centimeters (35.8 to 51.2 inches); light olive brown (2.5Y 5/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine distinct and 25 percent gray (5Y 6/1) medium distinct mottles; moderate coarse prismatic parts to weak medium subangular blocky structure; firm; 25 percent faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25541. continuous - phpvsfiid 480205; continuous - phpvsfiid 480205
IIB3t—130 to 152 centimeters (51.2 to 59.8 inches); light olive brown (2.5Y 5/4) silty clay loam; 25 percent yellowish brown (10YR 5/4) medium distinct mottles; weak coarse prismatic structure; firm; 25 percent prominent gray (5Y 6/1), moist, clay films on all faces of peds; 1 percent prominent masses of oxidized iron in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25542. discontinuous - phpvsfiid 480206; discontinuous - phpvsfiid 480206
IIC—152 to 190 centimeters (59.8 to 74.8 inches); variegated light olive brown (2.5Y 5/4) and gray (5Y 6/1) and yellowish brown (10YR 5/4) silty clay loam; structureless massive; firm; prominent masses of oxidized iron in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1. Lab sample # IL25543