IDENTIFIERS
Current Taxon Name (Soil Name):
Harpster
OSD
Series Extent
User Site ID:
1983IL143069
User Pedon ID:
1983IL143069
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
LIMS
Lab Pedon # -
83IL143069
NCSS Pedon Lab Data NASIS Record ID -
21639
Print Date:
4/19/2025
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:
40.9158361
Std. Longitude:
-89.6513639
Datum:
WGS84
Township:
11N
Range:
7E
Section:
24
PLSS Details:
100 feet north and 1900 feet east of the southwest corner
Location Description:
SW 160, SE 40, SE 10
State:
Illinois
County:
IL143—Peoria
MLRA:
108—Illinois and Iowa Deep Loess and Drift
Non-MLRA Soil Survey Area:
IL143—Peoria County, Illinois
7.5 Minute USGS Quad:
40089-H6—Edelstein, Illinois
PEDON
Describers Name:
Michael J. Walczynski & Charles L. Love
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:
full pedon description
Pedon Record Orgin:
PedonPC
Pedon #:
69
Correlated Information:
Soil Name -
Harpster
PSC -
25 to 100 cm.
Classificaton Date -
7/30/2015
Soil Taxonomic Edition -
twelfth edition
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Harpster
Taxonomic Class -
Fine-silty, mixed, mesic Typic Calciaquolls
Taxon Kind -
series
Classificaton Date -
8/9/1983
Classifier -
MJW and CLL
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
calcareous loess
Landscape:
upland
Landform:
depression
Hill Slope Profile:
toeslope
Slope Shape Across:
concave
Slope Shape Down:
concave
Drainage Class:
poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/9/1983 (entry creation date)
Data Collector:
MJW and CLL
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
cambic horizon
0—30
0—89
89—117
—30—
—89—
—28—
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
—
—
215.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Akp—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; weak fine granular structure; friable; 3.0 very fine roots; 25 percent medium shell fragments throughout; fragments; violent effervescence; slightly alkaline, pH 7.8; clear smooth boundary. Lab sample # IL30205
Ak—18 to 30 centimeters (7.1 to 11.8 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; weak fine subangular blocky parts to moderate fine granular structure; friable; 3.0 very fine roots; 10 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 25 percent medium shell fragments throughout; fragments; violent effervescence; slightly alkaline, pH 7.8; clear smooth boundary. Lab sample # IL30206
Bkg1—30 to 61 centimeters (11.8 to 24.0 inches); gray (5Y 5/1) silty clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; 0.8 very fine roots; 35 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent fine distinct light olive brown (2.5Y 5/4), moist, masses of oxidized iron in matrix; 10 percent medium shell fragments throughout; fragments; violent effervescence; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # IL30207
Bkg2—61 to 89 centimeters (24.0 to 35.0 inches); dark gray (5Y 4/1) silty clay loam; moderate medium subangular blocky structure; friable; 0.8 very fine roots; 35 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent fine iron-manganese masses throughout and 25 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 10 percent medium shell fragments throughout; fragments; violent effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL30208
Bkg3—89 to 117 centimeters (35.0 to 46.1 inches); olive gray (5Y 4/2) silty clay loam; moderate medium prismatic structure; friable; 0.8 very fine roots; 5 percent distinct very dark gray (10YR 3/1), moist, organic stains on surfaces along root channels and 35 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine iron-manganese masses throughout and 25 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 10 percent medium shell fragments throughout; fragments; strong effervescence; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # IL30209
Ckg—117 to 152 centimeters (46.1 to 59.8 inches); light olive gray (5Y 6/2) silty clay loam; structureless massive; friable; 0.1 very fine roots; 10 percent prominent very dark gray (10YR 3/1), moist, organic stains on surfaces along root channels; 1 percent fine iron-manganese masses throughout and 10 percent fine prominent brownish yellow (10YR 6/6), moist, masses of oxidized iron in matrix; 10 percent medium shell fragments throughout; fragments; violent effervescence; moderately alkaline, pH 8.0. Lab sample # IL30210