IDENTIFIERS
Current Taxon Name (Soil Name):
Harpster
OSD
Series Extent
User Site ID:
1982IL183117
User Pedon ID:
1982IL183117
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
LIMS
Lab Pedon # -
82IL183117
NCSS Pedon Lab Data NASIS Record ID -
21506
Print Date:
5/11/2024
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:
39.9665583
Std. Longitude:
-87.8950306
Datum:
WGS84
Township:
17N
Range:
14W
Section:
1
PLSS Details:
360 feet south and 1,600 feet east of the northwest corner
Map Unit:
67A—Harpster silty clay loam, 0 to 2 percent slopes
Country:
US—United States
State:
Illinois
County:
IL183—Vermilion
MLRA:
108—Illinois and Iowa Deep Loess and Drift
Regional Office:
11—Indianapolis, IN
MLRA Soil Survey Area:
NC-AUR—Aurora, Illinois
Non-MLRA Soil Survey Area:
IL183—Vermilion County, Illinois
7.5 Minute USGS Quad:
39087-H8—Allerton, Illinois
PEDON
Describers Name:
S. Redschlag, D. Bond
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Typic Calciaquolls
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
NASIS
Pedon #:
117
Correlated Information:
Soil Name -
Harpster
PSC -
25 to 100 cm.
Classificaton Date -
7/22/2015
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
aquic
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Harpster
Taxonomic Class -
Fine-silty, mixed, mesic Typic Calciaquolls
Taxon Kind -
series
Classificaton Date -
10/6/1982
Classifier -
SR and DB
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
yes
SITE
Parent Material:
calcareous loess over stratified outwash
Landform:
depression on till plain
Hill Slope Profile:
toeslope
Slope Shape Across:
concave
Slope Shape Down:
concave
Runoff:
negligible
Drainage Class:
poorly
Flooding:
none flooding
Ponding:
frequent ponding for brief periods
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/6/1982 (actual site observation date)
Data Collector:
SR and DB
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
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
calcic horizon
0—30
30—114
—30—
—84—
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
0
—
—
206.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; weak fine granular structure; friable; few (0.8) fine roots; fragments; noneffervescent; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # IL29367
A—20 to 30 centimeters (7.9 to 11.8 inches); very dark gray (10YR 3/1), grayish brown (2.5Y 5/2), dry; silty clay loam; moderate very fine angular blocky structure; friable; few (0.8) fine roots; 2 percent fine irregular white (10YR 8/1), moist, carbonate concretions throughout; fragments; slight effervescence; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # IL29368
Bkg1—30 to 46 centimeters (11.8 to 18.1 inches); silt loam; strong very fine angular blocky structure; friable; 30 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 10 percent fine prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix; 25 percent fine irregular white (10YR 8/1), moist, carbonate concretions throughout; fragments; strong effervescence; slightly alkaline, pH 7.5; clear wavy boundary.
Bkg2—46 to 81 centimeters (18.1 to 31.9 inches); silt loam; weak medium subangular blocky structure; friable; 25 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 25 percent fine prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron in matrix and 30 percent medium faint gray (10YR 6/1), moist, iron depletions in matrix; 15 percent fine irregular white (10YR 8/1), moist, carbonate concretions throughout; fragments; violent effervescence; moderately alkaline, pH 8.3; clear wavy boundary.
BCk—81 to 114 centimeters (31.9 to 44.9 inches); silt loam; weak medium subangular blocky structure; friable; 30 percent medium prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron in matrix and 30 percent medium faint gray (10YR 6/1), moist, iron depletions in matrix; 15 percent fine irregular white (10YR 8/1), moist, carbonate concretions throughout; fragments; 7 percent krotovinas (volume percent); violent effervescence; moderately alkaline, pH 8.0; abrupt wavy boundary.
2C1—114 to 135 centimeters (44.9 to 53.1 inches); clay loam; structureless massive; friable; 1 percent fine black (7.5YR 2.5/1), moist, iron-manganese concretions throughout and 40 percent coarse prominent gray (10YR 6/1), moist, iron depletions in matrix and 40 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix; 10 percent fine irregular white (10YR 8/1), moist, carbonate concretions throughout; fragments; violent effervescence; moderately alkaline, pH 8.0; abrupt wavy boundary.
2C2—135 to 152 centimeters (53.1 to 59.8 inches); stratified stratified loam to silt loam to loamy sand; structureless massive; very friable; 1 percent fine black (7.5YR 2.5/1), moist, iron-manganese concretions throughout and 50 percent coarse prominent gray (10YR 6/1), moist, iron depletions in matrix; 5 percent fine irregular white (10YR 8/1), moist, carbonate concretions throughout; fragments; violent effervescence; moderately alkaline, pH 8.0.