IDENTIFIERS
Current Taxon Name (Soil Name):
Poynor
OSD
Series Extent
User Site ID:
1999MO067183M
User Pedon ID:
1999MO067183
User Site Association ID:
7690
Transect:
User Transect ID -
060
Transect Stop Number -
2
Transect Interval -
100.0
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9906724
Print Date:
4/26/2025
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:
36.8020285
Std. Longitude:
-92.1861631
Datum:
WGS84
Township:
T25N
Range:
R11W
Section:
31
Map Unit:
73220—Poynor extremely gravelly silt loam, 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:
BF, GC, GS, BS
Current Taxonomic Class:
Loamy-skeletal over clayey, siliceous 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 -
Poynor
PSC -
25 to 100 cm.
Classificaton Date -
4/18/2012
Moisture Class -
udic
Sampled As Information:
Soil Name -
Poynor
Taxon Kind -
series
PSC -
25 to 100 cm.
Classificaton Date -
9/21/1999
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
residuum and/or slope alluvium
Geomorphic Component Hills:
side slope
Hill Slope Profile:
shoulder
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/21/1999 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
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
14
—
—
315
—
155
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64275
A—3 to 10 centimeters (1.2 to 3.9 inches); brown (10YR 4/3) very gravelly silt loam; moderate fine granular structure; friable; 6.0 fine to coarse roots; 5.0 very fine and fine interstitial and tubular pores; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU062709
BE—10 to 25 centimeters (3.9 to 9.8 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 6.0 fine to coarse roots; 5.0 very fine and fine interstitial and tubular pores; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU062710
Bt1—25 to 41 centimeters (9.8 to 16.1 inches); yellowish brown (10YR 5/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 30 percent pale brown (10YR 6/3) silt coats on faces of peds; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU062711
Bt2—41 to 74 centimeters (16.1 to 29.1 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 0.5 fine roots; 1.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 30 percent pale brown (10YR 6/3) silt coats on faces of peds; 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU062712
2Bt3—74 to 104 centimeters (29.1 to 40.9 inches); 60 percent red (2.5YR 4/6) and 40 percent strong brown (7.5YR 5/6) gravelly clay; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots; 1.0 very fine and fine discontinuous tubular pores; 35 percent distinct clay films on faces of peds; 15 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; gradual smooth boundary. Lab sample # MU062713
2Bt4—104 to 135 centimeters (40.9 to 53.1 inches); 80 percent red (2.5YR 4/6) and 20 percent yellowish brown (10YR 5/6) clay; strong fine and medium subangular blocky structure; firm; 0.5 fine roots; 1.0 very fine and fine discontinuous tubular pores; 55 percent prominent clay films on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; gradual smooth boundary. Lab sample # MU062714
2Bt5—135 to 163 centimeters (53.1 to 64.2 inches); 70 percent red (2.5YR 4/6) and 20 percent yellowish brown (10YR 5/6) and 10 percent brownish yellow (10YR 6/6) clay; strong fine and medium subangular blocky structure; firm; 0.5 very fine and fine discontinuous tubular pores; 60 percent prominent clay films on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU062715