IDENTIFIERS
Current Taxon Name (Soil Name):
Scholten
OSD
Series Extent
User Site ID:
2001MO179019M
User Pedon ID:
2001MO179019M
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
MCL
Lab Pedon # -
M0117919
NCSS Pedon Lab Data NASIS Record ID -
30944
Print Date:
12/5/2025
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:
37.1994917
Std. Longitude:
-90.9854972
Datum:
WGS84
Map Unit:
75428—Tilk, occasionally flooded-Cornwall-Poynor complex, 0 to 15 percent slopes
State:
Missouri
County:
MO179—Reynolds
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO179—Reynolds County, Missouri
7.5 Minute USGS Quad:
37090-B8—Ellington, Missouri
PEDON
Describers Name:
MS, RLT
Current Taxonomic Class:
Loamy-skeletal, siliceous, semiactive, mesic Typic Fragiudults
Current Taxon Kind:
taxadjunct
Pedon Type:
map unit inclusion
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Scholten
PSC -
18 to 68 cm.
Classificaton Date -
3/28/2011
Moisture Class -
udic
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Scholten
Taxonomic Class -
Loamy-skeletal, siliceous, active, mesic Typic Fragiudults
Taxon Kind -
series
PSC -
18 to 68 cm.
Classificaton Date -
8/23/2001
Moisture Class -
udic
Moisture SUBClass -
typic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
QC Status:
level 3
SITE
Parent Material:
pedisediment and/or residuum and/or gravelly slope alluvium
Landscape:
hills
Landform:
hillside
Geomorphic Component Hills:
nose slope
Hill Slope Profile:
footslope
Slope Shape Across:
concave
Slope Shape Down:
convex
Drainage Class:
moderately well
Geology:
Og formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/23/2001 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
intermixed conifers and hardwoods
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Restrictions
Kind
Hardness
Restriction Depth L-H
Restriction Thickness L-RV-H
cm
fragipan
noncoherent
86 - 107
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
fragipan
3—18
18—152
86—107
—-
—-
—-
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
8
—
—
257.5
—
112
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64744
A—3 to 18 centimeters (1.2 to 7.1 inches); 50 percent brown (10YR 5/3) and 50 percent dark grayish brown (10YR 4/2) gravelly silt loam; 8 percent clay; weak very fine granular structure; very friable; 7.0 fine and medium roots and 7.0 coarse roots; 7.0 fine and medium interstitial pores; 20 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.5, pH meter; clear wavy boundary. Lab sample # MU022866
Bt1—18 to 36 centimeters (7.1 to 14.2 inches); brown (10YR 5/3) gravelly silt loam; 10 percent clay; weak very fine subangular blocky structure; very friable; 7.0 fine and medium roots and 7.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct very pale brown (10YR 7/3) silt coats; 10 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 20 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # MU022867
Bt2—36 to 51 centimeters (14.2 to 20.1 inches); brown (10YR 5/3) very gravelly silt loam; 10 percent clay; weak very fine subangular blocky structure; very friable; 7.0 fine and medium roots and 7.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct very pale brown (10YR 7/3) silt coats; 40 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.7, pH meter; clear wavy boundary. Lab sample # MU022868
Bt3—51 to 71 centimeters (20.1 to 28.0 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; 16 percent clay; moderate fine subangular blocky structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/4) clay films and 15 percent distinct very pale brown (10YR 7/3) silt coats; 45 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.8, pH meter; clear wavy boundary. Lab sample # MU022869
Bt4—71 to 86 centimeters (28.0 to 33.9 inches); yellowish brown (10YR 5/6) very gravelly clay loam; 25 percent clay; weak coarse subangular blocky structure; firm; 3.0 fine and medium roots; 7.0 fine vesicular pores; 15 percent distinct dark yellowish brown (10YR 4/4) clay films and 35 percent distinct brownish yellow (10YR 6/6) clay films; 35 percent fine distinct very pale brown (10YR 7/3) iron depletions; 50 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 50 percent of brittleness; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # MU022870
2Btx—86 to 107 centimeters (33.9 to 42.1 inches); very pale brown (10YR 7/3) very gravelly clay loam; 25 percent clay; weak coarse prismatic parts to weak very fine subangular blocky structure; very firm; brittle; 0.9 fine roots; 1.0 fine vesicular pores; 35 percent distinct yellowish brown (10YR 5/4) clay films; 15 percent fine faint light gray (10YR 7/2) iron depletions and 35 percent fine prominent brownish yellow (10YR 6/8) masses of oxidized iron; 50 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 70 percent of brittleness; very strongly acid, pH 4.5, pH meter; clear wavy boundary. Lab sample # MU022871
3Bt5—107 to 135 centimeters (42.1 to 53.1 inches); dark yellowish brown (10YR 4/6) very gravelly clay; 35 percent clay; 5 percent very pale brown (10YR 7/3) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.9 fine roots; 7.0 fine vesicular pores; 35 percent distinct dark red (2.5YR 3/6) clay films and 35 percent distinct grayish brown (10YR 5/2) clay films; 50 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; extremely acid, pH 4.4, pH meter; clear smooth boundary. Lab sample # MU022872
3Bt6—135 to 152 centimeters (53.1 to 59.8 inches); dark yellowish brown (10YR 3/6) very gravelly clay; 29 percent clay; 5 percent very pale brown (10YR 7/3) fine prominent mottles; moderate medium subangular blocky structure; firm; 7.0 fine vesicular pores; 35 percent distinct grayish brown (10YR 5/2) clay films and 35 percent distinct dark red (2.5YR 3/6) clay films; 50 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; extremely acid, pH 4.4, pH meter. Lab sample # MU022873