IDENTIFIERS
Current Taxon Name (Soil Name):
Tonti
OSD
Series Extent
User Site ID:
1993MO153014M
User Pedon ID:
1993MO153014
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9315314
Print Date:
4/24/2025
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:
36.7532889
Std. Longitude:
-92.2451556
Datum:
WGS84
Map Unit:
70026—Tonti silt loam, 1 to 3 percent slopes
State:
Missouri
County:
MO153—Ozark
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO153—Ozark County, Missouri
PEDON
Describers Name:
Buddy Festervand, Gene Campbell, Tony Dohmen
Current Taxonomic Class:
Fine-loamy, siliceous, active, mesic Typic Fragiudults
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Tonti
PSC -
18 to 46 cm.
Classificaton Date -
4/18/2012
Moisture Class -
udic
Sampled As Information:
Soil Name -
Scholten
Taxon Kind -
series
Classificaton Date -
4/27/1993
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Field Measured Properties:
18 percent of Percent clay in the control section
SITE
Parent Material:
mixed loess over pedisediment over residuum
Landform:
ridge
Geomorphic Component Hills:
interfluve
Hill Slope Profile:
summit
Slope Position:
upper third
Slope Shape Across:
convex
Slope Shape Down:
convex
Drainage Class:
moderately well
Geology:
Jeff City formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
4/27/1993 (actual site observation date)
Air Photo ID:
10-1
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
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
fragipan
—
—
—
18 -
- 28 -
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
fragipan
fragipan
0—18
18—203
18—
46—99
—-
—-
—-
—-
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
2
—
—
290
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2), pale brown (10YR 6/3), dry; gravelly silt loam; moderate fine granular structure; friable; 7.0 very fine and fine roots; 15 percent by volume 2-39-75 millimeter limestone, arenaceous fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # MU048479
Bt1—18 to 28 centimeters (7.1 to 11.0 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak fine subangular blocky structure; friable; 2.0 fine roots; 10 percent faint clay films on faces of peds and 20 percent very dark grayish brown (10YR 3/2) organic stains in root channels and/or pores; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.3, hellige-truog; clear smooth boundary. Lab sample # MU048480
Bt2—28 to 46 centimeters (11.0 to 18.1 inches); 90 percent yellowish brown (10YR 5/4) and 10 percent dark yellowish brown (10YR 4/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 2.0 very fine and fine roots; 10 percent very dark grayish brown (10YR 3/2) organic stains in root channels and/or pores and 30 percent faint clay films on faces of peds; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.4, hellige-truog; abrupt smooth boundary. Lab sample # MU048481
2Btx1—46 to 79 centimeters (18.1 to 31.1 inches); 40 percent yellowish brown (10YR 5/6) and 40 percent dark yellowish brown (10YR 4/4) and 20 percent pale brown (10YR 6/3) extremely gravelly silt loam; weak coarse prismatic parts to moderate fine subangular blocky structure; very firm; 0.5 fine roots; 10 percent distinct clay films on faces of peds; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU048482
2Btx2—79 to 99 centimeters (31.1 to 39.0 inches); 40 percent dark yellowish brown (10YR 4/4) and 20 percent pale brown (10YR 6/3) and 40 percent strong brown (7.5YR 5/6) very gravelly silty clay loam; weak coarse prismatic parts to moderate fine subangular blocky structure; very firm; 30 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU048483
3Bt3—99 to 137 centimeters (39.0 to 53.9 inches); 40 percent dark red (10R 3/6) and 20 percent strong brown (7.5YR 5/6) and 20 percent brownish yellow (10YR 6/8) and 10 percent gray (10YR 5/1) and 10 percent gray (10YR 6/1) gravelly clay; moderate medium subangular blocky structure; firm; 60 percent prominent clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments and 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; extremely acid, pH 4.3, hellige-truog; clear wavy boundary. Lab sample # MU048484
3Bt4—137 to 203 centimeters (53.9 to 79.9 inches); 40 percent dark red (10R 3/6) and 20 percent strong brown (7.5YR 5/6) and 20 percent brownish yellow (10YR 6/8) and 10 percent light gray (10YR 7/1) and 10 percent gray (10YR 5/1) very gravelly clay; weak medium subangular blocky structure; firm; 60 percent prominent clay films on faces of peds; 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.2, hellige-truog. Lab sample # MU048485