IDENTIFIERS
Current Taxon Name (Soil Name):
Clarksville
OSD
Series Extent
User Site ID:
1996MO179036M
User Pedon ID:
1996MO179036M
User Site Association ID:
8639
Transect:
User Transect ID -
reynolds-80D2
Transect Stop Number -
9
Transect Interval -
200.0
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9617936
NCSS Pedon Lab Data NASIS Record ID -
26874
Print Date:
1/30/2025
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:
37.4778806
Std. Longitude:
-90.9442000
Datum:
WGS84
Map Unit:
80D—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony73139—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony
State:
Missouri
County:
MO179—Reynolds
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO179—Reynolds County, Missouri
7.5 Minute USGS Quad:
37090-D8—Centerville, Missouri
PEDON
Describers Name:
BM & LT
Current Taxonomic Class:
Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
Current Taxon Kind:
taxadjunct
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 -
38 to 88 cm.
Classificaton Date -
12/10/2010
Soil Taxonomic Edition -
eighth edition
Moisture Class -
udic
Sampled As Information:
Soil Name -
Clarksville
Taxonomic Class -
Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
Taxon Kind -
series
PSC -
38 to 88 cm.
Classificaton Date -
6/25/1996
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Field Measured Properties:
32 percent of Percent clay in the control section and 67 Percent rock fragments in the control section (vol) and 37 Cation exchange capacity to clay ratio
SITE
Parent Material:
slope alluvium derived from dolomite
Landscape:
hills
Landform:
hill
Geomorphic Component Hills:
nose slope
Hill Slope Profile:
shoulder
Slope Shape Across:
convex
Slope Shape Down:
linear
Bedrock:
dolomite (dolostone)
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/25/1996 (actual site observation date)
Surface Cover Properties:
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
38—168
—-
—-
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
6
—
—
317
—
340
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU012573
E—15 to 38 centimeters (5.9 to 15.0 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots and 7.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct brown (10YR 4/3), moist, organic stains on faces of peds; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012574
Bt1—38 to 69 centimeters (15.0 to 27.2 inches); yellowish brown (10YR 5/4) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine and medium roots; 0.9 coarse tubular pores; 35 percent distinct brown (7.5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on rock fragments; 65 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012575
Bt2—69 to 97 centimeters (27.2 to 38.2 inches); brown (7.5YR 5/4) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine roots; 0.9 coarse tubular pores; 15 percent distinct black (10YR 2/1), moist, manganese or iron-manganese stains on rock fragments and 35 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 65 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU012576
2Bt3—97 to 137 centimeters (38.2 to 53.9 inches); yellowish brown (10YR 5/8) extremely gravelly clay; 10 percent yellow (10YR 8/6) fine prominent mottles; weak fine subangular blocky structure; firm; 0.9 fine and medium roots; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on faces of peds; 70 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012577
2Bt4—137 to 168 centimeters (53.9 to 66.1 inches); very pale brown (10YR 8/3) very gravelly clay; weak fine subangular blocky structure; firm; 0.9 fine roots; 0.1 fine tubular pores; 15 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds and 35 percent distinct brownish yellow (10YR 6/6), moist, clay films on faces of peds and 35 percent distinct very pale brown (10YR 8/4), moist, clay films on faces of peds and 35 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU012578