IDENTIFIERS
Current Taxon Name (Soil Name):
Peers
OSD
Series Extent
User Site ID:
2007MO183013
User Pedon ID:
2007MO183013
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M0718313
NCSS Pedon Lab Data NASIS Record ID -
25503
Print Date:
4/23/2025
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:
38.8992222
Std. Longitude:
-90.2936389
Datum:
WGS84
PLSS Details:
7,185 feet East and 3,139 feet South from the North West corner of Survey 1838,
Country:
US—United States
State:
Missouri
County:
MO183—St. Charles
MLRA:
115—Central Mississippi Valley Wooded Slopes
Non-MLRA Soil Survey Area:
MO183—St. Charles County, Missouri
7.5 Minute USGS Quad:
38090-H3—Elsah, Illinois
PEDON
Describers Name:
Ralph Tucker
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Fluvaquentic Hapludolls
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Missouri Pedon
Pedon #:
13
Correlated Information:
Soil Name -
Peers (flagged as OSD)
Classificaton Date -
11/4/2014
Soil Taxonomic Edition -
twelfth edition
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
GILLIAM
Classificaton Date -
6/12/2007
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
fine-silty alluvium derived from mixed
Landscape:
river valley
Landform:
flood-plain step
Slope Complexity:
simple
Slope Shape Across:
concave
Slope Shape Down:
linear
Runoff:
low
Drainage Class:
somewhat poorly
Flooding:
occasional flooding for long periods
Ponding:
none ponding
Geology:
Holocene Stage formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/12/2007 (actual site observation date)
Air Photo ID:
38090h3se
Surface Water Kind:
flooded
Surface Water Depth:
15
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
Site Erosion Accelerated:
water erosion gully
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
cambic horizon
0—56
56—127
—56—
—71—
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
—
—
129.8
—
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap1—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay loam; weak fine subangular blocky structure; friable; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002861; observed in push tube
Ap2—18 to 38 centimeters (7.1 to 15.0 inches); 60 percent very dark grayish brown (10YR 3/2) broken face and 40 percent dark brown (10YR 3/3) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay loam; moderate medium subangular blocky structure; friable; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU002862; observed in push tube
A—38 to 56 centimeters (15.0 to 22.0 inches); dark brown (10YR 3/3) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay loam; strong medium subangular blocky structure; friable; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002863; observed in push tube
Bw1—56 to 89 centimeters (22.0 to 35.0 inches); dark yellowish brown (10YR 3/4) broken face silt loam; strong medium subangular blocky structure; friable; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU002864; observed in push tube
Bw2—89 to 127 centimeters (35.0 to 50.0 inches); olive brown (2.5Y 4/3) broken face silt loam; strong medium subangular blocky structure; friable; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU002865; observed in push tube
Cg1—127 to 150 centimeters (50.0 to 59.1 inches); 65 percent grayish brown (2.5Y 5/2) broken face and 35 percent olive brown (2.5Y 4/4) broken face silt loam; massive; friable; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented red (2.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
Cg2—150 to 173 centimeters (59.1 to 68.1 inches); dark grayish brown (10YR 4/2) broken face silty clay loam; massive; friable; 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
C—173 to 208 centimeters (68.1 to 81.9 inches); olive brown (2.5Y 4/4) broken face very fine sandy loam; massive; friable; 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; violent effervescence, by hcl, 1n.; observed in push tube