IDENTIFIERS
Current Taxon Name (Soil Name):
Calhoun
OSD
Series Extent
User Site ID:
1999MO017103
User Pedon ID:
1999MO017103
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9901767
NCSS Pedon Lab Data NASIS Record ID -
31816
Print Date:
4/21/2026
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:
37.1079178
Std. Longitude:
-90.0134888
Datum:
WGS84
Map Unit:
168—Falaya silt loam, 0 to 1 percent slopes, occasionally flooded86002—Falaya silt loam, 0 to 1 percent slopes, occasionally flooded
State:
Missouri
County:
MO017—Bollinger
MLRA:
131—Southern Mississippi Valley Alluvium
Regional Office:
7—Auburn, AL
Non-MLRA Soil Survey Area:
MO017—Bollinger County, Missouri
7.5 Minute USGS Quad:
37090-A1—Sturdivant, Missouri
PEDON
Current Taxonomic Class:
Coarse-silty, mixed, active, thermic Typic Paleaquults
Current Taxon Kind:
taxadjunct
Pedon Type:
map unit inclusion
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Calhoun
PSC -
71 to 121 cm.
Classificaton Date -
2/1/2012
Soil Taxonomic Edition -
eighth edition
Moisture Class -
aquic
Sampled As Information:
Soil Name -
Calhoun
Classificaton Date -
10/25/1999
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
alluvium
Landscape:
lowland
Landform:
terrace
Drainage Class:
poorly
Flooding:
occasional flooding
Ponding:
occasional ponding
Surface Fragments:
0.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/25/1999 (actual site observation date)
Air Photo ID:
D-8
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
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
ochric epipedon
albic horizon
glossic horizon
argillic horizon
0—13
13—71
71—107
71—203
—-
—-
—-
—-
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
—
—
109
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4), very pale brown (10YR 7/4), dry; silt loam; moderate fine granular structure; friable; 10.0 very fine and fine roots; 10.0 very fine and fine tubular pores; fragments; abrupt smooth boundary. Lab sample # MU062244
E1—13 to 30 centimeters (5.1 to 11.8 inches); brown (10YR 5/3) silt loam; moderate coarse platy structure; firm; 0.5 very fine roots; 3.0 very fine and fine tubular pores; 3 percent black (10YR 2/1) iron-manganese masses and 5 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU062245
E2—30 to 71 centimeters (11.8 to 28.0 inches); light brownish gray (10YR 6/2) silt loam; moderate fine subangular blocky structure; firm; 0.5 very fine roots; 10.0 very fine and fine tubular pores; 3 percent black (10YR 2/1) iron-manganese masses and 10 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU062246
B/E—71 to 107 centimeters (28.0 to 42.1 inches); yellowish brown (10YR 5/4) silt loam; fragments; gradual wavy boundary. Lab sample # MU062247
B/E—71 to 107 centimeters (28.0 to 42.1 inches); light brownish gray (10YR 6/2) silt loam; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 5.0 very fine and fine tubular and 0.5 medium tubular pores; 5 percent grayish brown (10YR 5/2) clay films and 20 percent light gray (10YR 7/1) silt coats; 3 percent black (10YR 2/1) iron-manganese masses and 20 percent brown (10YR 4/3) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU062247
Btg1—107 to 147 centimeters (42.1 to 57.9 inches); gray (10YR 5/1) silt loam; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 5.0 very fine and fine tubular and 0.5 medium tubular pores; 20 percent grayish brown (10YR 5/2) clay films; 3 percent black (10YR 2/1) iron-manganese masses and 10 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments. Lab sample # MU062248
Btg2—147 to 203 centimeters (57.9 to 79.9 inches); gray (10YR 6/1) silt loam; moderate coarse prismatic parts to moderate fine subangular blocky structure; firm; 5.0 very fine and fine tubular and 0.5 medium tubular pores; 20 percent grayish brown (10YR 5/2) clay films; 3 percent black (10YR 2/1) iron-manganese masses and 20 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments. Lab sample # MU062249