IDENTIFIERS
Current Taxon Name (Soil Name):
Clarksville
OSD
Series Extent
User Site ID:
1997MO067108M
User Pedon ID:
1997MO067108
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9706716
Print Date:
1/31/2025
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:
36.8597361
Std. Longitude:
-92.2017056
Datum:
WGS84
Township:
T25N
Range:
R11W
Section:
7
PLSS Details:
100 feet E and 2600 feet S of the NW corner
Location Description:
100 ft. east and 2600 ft. south of the NW corner of section 7, T25N, R11W.
Map Unit:
73311—Scholten-Bendavis-Poynor complex, 8 to 15 percent slopes
State:
Missouri
County:
MO067—Douglas
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO067—Douglas County, Missouri
PEDON
Describers Name:
KEB,GLS,WLS
Current Taxonomic Class:
Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
Current Taxon Kind:
series
Pedon Type:
within range of map unit
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Clarksville
PSC -
25 to 75 cm.
Classificaton Date -
4/18/2012
Moisture Class -
udic
Sampled As Information:
Soil Name -
Clarksville
Taxonomic Class -
Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
Taxon Kind -
taxadjunct
PSC -
25 to 75 cm.
Classificaton Date -
3/11/1997
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
slope alluvium over residuum
Landscape:
hills
Landform:
hillside
Slope Shape Across:
concave
Slope Shape Down:
convex
Runoff:
high
Drainage Class:
moderately well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
3/11/1997 (actual site observation date)
Air Photo ID:
2252-17
Surface Cover Properties:
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
3—25
25—160
—-
—-
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
13
—
—
320
—
345
1092
—
—
12.8
—
—
—
—
—
—
—
5227
Mansfield
TAPS
Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.
A—3 to 13 centimeters (1.2 to 5.1 inches); dark grayish brown (10YR 4/2), very pale brown (10YR 7/3), dry; gravelly silt loam; weak fine granular structure; friable; 7.0 very fine to coarse roots; 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; abrupt smooth boundary. Lab sample # MU012610
E—13 to 25 centimeters (5.1 to 9.8 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots and 0.5 coarse roots; 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012611
Bt1—25 to 41 centimeters (9.8 to 16.1 inches); strong brown (7.5YR 5/6) gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.5 coarse roots; 40 percent faint , moist, clay films on faces of peds; 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012612. discontinuous - phpvsfiid 128315; discontinuous - phpvsfiid 128315
Bt2—41 to 58 centimeters (16.1 to 22.8 inches); 40 percent strong brown (7.5YR 5/6) and 60 percent pale brown (10YR 6/3) very gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 0.5 fine to coarse roots; 30 percent faint , moist, clay films on rock fragments and 80 percent distinct pale brown (10YR 6/3), moist, skeletans on faces of peds; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012613. continuous - phpvsfiid 128317; discontinuous - phpvsfiid 128316; continuous - phpvsfiid 128317; discontinuous - phpvsfiid 128316
Bt3—58 to 81 centimeters (22.8 to 31.9 inches); 70 percent yellowish red (5YR 5/6) and 30 percent pinkish gray (7.5YR 7/2) very gravelly silty clay loam; moderate very fine and fine subangular blocky structure; firm; 0.5 fine to coarse roots; 60 percent prominent reddish yellow (5YR 6/6), moist, clay films on rock fragments and 60 percent prominent pinkish gray (7.5YR 7/2), moist, skeletans on faces of peds; 15 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU012614. discontinuous - phpvsfiid 128318; discontinuous - phpvsfiid 128319; discontinuous - phpvsfiid 128318; discontinuous - phpvsfiid 128319
Bt4—81 to 104 centimeters (31.9 to 40.9 inches); 20 percent dark red (2.5YR 3/6) and 20 percent light gray (10YR 7/2) and 60 percent yellowish red (5YR 5/6) extremely gravelly silty clay loam; moderate very fine and fine subangular blocky structure; firm; 0.5 fine and medium roots; 40 percent prominent light gray (10YR 7/2), moist, skeletans on rock fragments and 75 percent prominent yellowish red (5YR 5/6), moist, clay films on rock fragments; 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012615. continuous - phpvsfiid 128320; discontinuous - phpvsfiid 128321; continuous - phpvsfiid 128320; discontinuous - phpvsfiid 128321
2Bt5—104 to 127 centimeters (40.9 to 50.0 inches); 15 percent pinkish gray (7.5YR 7/2) and 40 percent dark red (2.5YR 3/6) and 45 percent reddish yellow (7.5YR 6/6) very gravelly silty clay; moderate fine subangular blocky structure; firm; 0.5 fine and medium roots; 20 percent prominent pinkish gray (7.5YR 7/2), moist, skeletans on rock fragments and 60 percent prominent dark red (2.5YR 3/6), moist, clay films on rock fragments; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU012616. discontinuous - phpvsfiid 128322; discontinuous - phpvsfiid 128323; discontinuous - phpvsfiid 128322; discontinuous - phpvsfiid 128323
2Bt6—127 to 160 centimeters (50.0 to 63.0 inches); 10 percent light gray (10YR 7/2) and 40 percent reddish yellow (7.5YR 6/6) and 50 percent dark red (2.5YR 3/6) extremely cobbly clay; moderate very fine and fine angular blocky structure; very firm; 0.5 very fine and fine roots; 10 percent prominent light gray (10YR 7/2), moist, skeletans on faces of peds and 80 percent prominent dark red (2.5YR 3/6), moist, clay films on rock fragments; 30 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012617. continuous - phpvsfiid 128324; continuous - phpvsfiid 128325; continuous - phpvsfiid 128324; continuous - phpvsfiid 128325