IDENTIFIERS
Current Taxon Name (Soil Name):
Alred
OSD
Series Extent
User Site ID:
1992MO123022M
User Pedon ID:
1992MO123022M
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9212322
NCSS Pedon Lab Data NASIS Record ID -
26383
Print Date:
2/16/2025
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:
37.3227768
Std. Longitude:
-90.2108307
Datum:
WGS84
Township:
T31N
Range:
R8E
Section:
31
PLSS Details:
2180 feet S and 1900 feet E of the NW corner
Location Description:
2,180 feet south and 1,900 feet east of the northwest corner of sec. 31, T. 31 N., R. 8 E.
Map Unit:
73156—Alred-Gepp complex, 8 to 15 percent slopes, stony57E—Poynor very gravelly silt loam, 14 to 40 percent slopes
State:
Missouri
County:
MO123—Madison
MLRA:
116A—Ozark Highland
MLRA Soil Survey Area:
NC-SPM—Springfield, Missouri
Non-MLRA Soil Survey Area:
MO123—Madison County, Missouri
7.5 Minute USGS Quad:
37090-C2—Allbright, Missouri
PEDON
Describers Name:
KEB,MLC,CGM,JB,DH
Current Taxonomic Class:
Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
Current Taxon Kind:
series
Pedon Type:
TUD pedon
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Alred
PSC -
25 to 100 cm.
Classificaton Date -
3/30/2011
Moisture Class -
udic
Sampled As Information:
Soil Name -
Alred
Taxonomic Class -
Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
Taxon Kind -
series
PSC -
25 to 100 cm.
Classificaton Date -
6/2/1994
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Field Measured Properties:
29 Strongly contrasting textural stratification (depth in inches)
SITE
Parent Material:
slope alluvium derived from mixed over residuum weathered from mixed
Landscape:
plateau
Landform:
valley side
Geomorphic Component Hills:
side slope
Hill Slope Profile:
backslope
Slope Position:
upper third
Runoff:
high
Drainage Class:
well
Surface Fragments:
0.01 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/2/1994 (actual site observation date)
Air Photo ID:
D-9
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
2—25
25—198
—-
—-
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
16
—
—
186
—
340
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments.
A—2 to 15 centimeters (0.8 to 5.9 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; very gravelly silt loam; moderate fine granular structure; very friable; 6.0 very fine and fine roots; 35 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.6, hellige-truog; abrupt wavy boundary. Lab sample # MU009185; moist when described;
E—15 to 25 centimeters (5.9 to 9.8 inches); yellowish brown (10YR 5/4), pale brown (10YR 6/3), dry; very gravelly silt loam; weak very fine subangular blocky structure; very friable; 4.0 very fine to medium roots throughout; 38 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # MU009186; moist when described;
Bt1—25 to 43 centimeters (9.8 to 16.9 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine to coarse roots; 4 percent faint clay films on faces of peds and 30 percent prominent silt coats on faces of peds; 50 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU009187; moist when described;. discontinuous - phpvsfiid 168360; patchy - phpvsfiid 168359; discontinuous - phpvsfiid 168360; patchy - phpvsfiid 168359
Bt2—43 to 74 centimeters (16.9 to 29.1 inches); strong brown (7.5YR 5/6) very gravelly silty clay loam; moderate very fine subangular blocky structure; friable; 0.5 very fine to medium roots throughout; 4 percent prominent coats on faces of peds and 30 percent faint light yellowish brown (10YR 6/4) clay films on faces of peds; 52 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU009188; moist when described;. discontinuous - phpvsfiid 162485; patchy - phpvsfiid 162486; discontinuous - phpvsfiid 162485; patchy - phpvsfiid 162486
2Bt3—74 to 99 centimeters (29.1 to 39.0 inches); red (2.5YR 4/8) clay; moderate very fine angular blocky structure; friable; 0.5 very fine and fine roots throughout; 75 percent distinct clay films on faces of peds; 3 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU009189; moist when described;. continuous - phpvsfiid 162487; continuous - phpvsfiid 162487
2Bt41—99 to 122 centimeters (39.0 to 48.0 inches); red (2.5YR 4/6) gravelly clay; moderate very fine angular blocky structure; firm; 0.5 very fine and fine roots throughout; 1 percent prominent manganese or iron-manganese stains on faces of peds and 30 percent prominent light yellowish brown (10YR 6/4), moist, coats on faces of peds and 75 percent distinct clay films on faces of peds; 27 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU009190; moist when described;. horizon was split for sampling (sample 06=39 to 48 inches and sample 07=48 to 57 inches); discontinuous - phpvsfiid 162488; patchy - phpvsfiid 162489; patchy - phpvsfiid 162490; discontinuous - phpvsfiid 162488; patchy - phpvsfiid 162489; patchy - phpvsfiid 162490
2Bt42—122 to 145 centimeters (48.0 to 57.1 inches); red (2.5YR 4/6) gravelly clay; moderate very fine angular blocky structure; firm; 0.5 very fine and fine roots throughout; 1 percent prominent manganese or iron-manganese stains on faces of peds and 30 percent prominent light yellowish brown (10YR 6/4), moist, coats on faces of peds and 75 percent distinct clay films on faces of peds; 27 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU009191; moist when described;. horizon was split for sampling (sample 06=39 to 48 inches and sample 07=48 to 57 inches); patchy - phpvsfiid 1504279; discontinuous - phpvsfiid 1504278; patchy - phpvsfiid 1504280; patchy - phpvsfiid 1504279; discontinuous - phpvsfiid 1504278; patchy - phpvsfiid 1504280
2Bt5—145 to 198 centimeters (57.1 to 78.0 inches); 75 percent red (2.5YR 4/6) and 25 percent yellowish red (5YR 5/6) cobbly clay; moderate fine subangular blocky structure; firm; 0.5 fine roots throughout; 1 percent prominent manganese or iron-manganese stains on faces of peds and 75 percent prominent clay films on faces of peds; 5 percent by volume 250-425-600 millimeter unspecified fragments and 12 percent by volume 75-162-250 millimeter unspecified fragments and 18 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog. Lab sample # MU009192; moist when described;. discontinuous - phpvsfiid 162492; patchy - phpvsfiid 162491; discontinuous - phpvsfiid 162492; patchy - phpvsfiid 162491