IDENTIFIERS
Current Taxon Name (Soil Name):
Clarksville
OSD
Series Extent
User Site ID:
1998MO119187M
User Pedon ID:
1998MO119187
User Site Association ID:
8495
Transect:
User Transect ID -
98-04
Transect Stop Number -
4
Transect Interval -
240.0
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9811919
Print Date:
3/31/2025
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:
36.7402039
Std. Longitude:
-94.1224518
Datum:
WGS84
Township:
T23N
Range:
R30W
Section:
1
PLSS Details:
SE 1/4 of the SW 1/4
Location Description:
SE1/4,SW1/4,Sec1,T23N,R30W
Map Unit:
70080—Noark-Clarksville-Crackerneck complex, karst, 3 to 8 percent slopes
State:
Missouri
County:
MO119—McDonald
MLRA:
116B—Springfield Plain
MLRA Soil Survey Area:
NC-SPM—Springfield, Missouri
Non-MLRA Soil Survey Area:
MO119—McDonald County, Missouri
PEDON
Describers Name:
JAW,KLG,MDO
Current Taxonomic Class:
Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
Current Taxon Kind:
series
Pedon Type:
representative pedon for component
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Clarksville
PSC -
15 to 65 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 -
series
PSC -
15 to 65 cm.
Classificaton Date -
2/3/1998
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone
Landscape:
plateau
Landform:
ridge
Geomorphic Component Hills:
interfluve
Hill Slope Profile:
backslope
Slope Shape Across:
convex
Slope Shape Down:
convex
Drainage Class:
well
Surface Fragments:
0.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
2/3/1998 (actual site observation date)
Air Photo ID:
9D
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 Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—15
33—226
—-
—-
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
3
—
—
381
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 15 centimeters (0.0 to 5.9 inches); 52 percent dark grayish brown (10YR 4/2) and 48 percent yellowish brown (10YR 5/4) gravelly silt; weak very fine and fine granular structure; very friable; 20.0 very fine and fine roots throughout; 15.0 very fine and fine interstitial pores; 12 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012706
Bt1—15 to 33 centimeters (5.9 to 13.0 inches); 65 percent yellowish brown (10YR 5/4) and 35 percent reddish yellow (7.5YR 6/6) gravelly silt loam; weak very fine subangular blocky structure; friable; 15.0 very fine and fine roots throughout; 12.0 very fine and fine interstitial pores; 1 percent distinct dark grayish brown (10YR 4/2) organic stains on faces of peds and 2 percent faint yellowish brown (10YR 5/4) clay films on faces of peds; 25 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012707. discontinuous - phpvsfiid 159211; patchy - phpvsfiid 159231; discontinuous - phpvsfiid 159211; patchy - phpvsfiid 159231
Bt2—33 to 51 centimeters (13.0 to 20.1 inches); 35 percent strong brown (7.5YR 4/6) and 40 percent reddish yellow (7.5YR 7/6) and 25 percent light yellowish brown (10YR 6/4) gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 10.0 very fine and fine roots throughout; 10.0 very fine and fine interstitial pores; 10 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 30 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU012708. discontinuous - phpvsfiid 159376; discontinuous - phpvsfiid 159376
Bt3—51 to 99 centimeters (20.1 to 39.0 inches); 45 percent yellowish red (5YR 5/6) and 45 percent strong brown (7.5YR 4/6) and 10 percent red (2.5YR 4/6) very gravelly silt loam; moderate very fine and fine subangular blocky structure; firm; 8.0 very fine and fine roots throughout; 7.0 very fine and fine interstitial pores; 10 percent prominent strong brown (7.5YR 5/6) clay films on faces of peds and 25 percent prominent strong brown (7.5YR 4/6) clay films on faces of peds and 30 percent prominent very pale brown (10YR 7/3) silt coats on faces of peds and 35 percent prominent very pale brown (10YR 7/4) silt coats in root channels and/or pores; 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU012709. continuous - phpvsfiid 154238; discontinuous - phpvsfiid 156403; continuous - phpvsfiid 156401; continuous - phpvsfiid 156402; continuous - phpvsfiid 154238; discontinuous - phpvsfiid 156403; continuous - phpvsfiid 156401; continuous - phpvsfiid 156402
Bt4—99 to 183 centimeters (39.0 to 72.0 inches); 52 percent red (2.5YR 4/6) and 48 percent yellowish red (5YR 4/6) extremely gravelly silty clay loam; moderate very fine and fine subangular blocky structure; very firm; 4.0 very fine and fine roots throughout; 4.0 very fine and fine interstitial and tubular pores; 20 percent prominent yellowish red (5YR 5/6) clay films on faces of peds and 25 percent prominent red (2.5YR 4/6) clay films on faces of peds and 35 percent prominent very pale brown (10YR 7/4) silt coats in root channels and/or pores; 5 percent by volume subrounded 75-162-250 millimeter limestone, cherty fragments and 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012710. 35% of rock is tripolitic.; continuous - phpvsfiid 154106; continuous - phpvsfiid 156404; continuous - phpvsfiid 156405; continuous - phpvsfiid 154106; continuous - phpvsfiid 156404; continuous - phpvsfiid 156405
2Bt5—183 to 226 centimeters (72.0 to 89.0 inches); 80 percent dark red (2.5YR 3/6) and 20 percent yellowish red (5YR 5/6) extremely cobbly silty clay; moderate very fine and fine subangular blocky structure; very firm; 1.0 very fine and fine roots throughout; 1.0 very fine and fine interstitial and tubular pores; 1 percent distinct light brownish gray (10YR 6/2) skeletans in root channels and/or pores and 20 percent prominent light yellowish brown (10YR 6/4) skeletans in root channels and/or pores and 25 percent prominent yellowish red (5YR 5/6) clay films on faces of peds and 40 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 20 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments and 30 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments. Lab sample # MU012711. 40% tripolitic chert.; continuous - phpvsfiid 154107; continuous - phpvsfiid 154814; patchy - phpvsfiid 154815; continuous - phpvsfiid 154816; continuous - phpvsfiid 154107; continuous - phpvsfiid 154814; patchy - phpvsfiid 154815; continuous - phpvsfiid 154816