IDENTIFIERS
Current Taxon Name (Soil Name):
Knox
OSD
Series Extent
User Site ID:
1990MO053066
User Pedon ID:
1990MO053066
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9005366
NCSS Pedon Lab Data NASIS Record ID -
27164
Print Date:
11/12/2024
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:
38.7678611
Std. Longitude:
-92.7352778
Datum:
WGS84
Township:
T46N
Range:
R17W
Section:
12
PLSS Details:
1600' S and 2170' E of the NW corner
State:
Missouri
County:
MO053—Cooper
MLRA:
115—Central Mississippi Valley Wooded Slopes
7.5 Minute USGS Quad:
38092-G6—Lone Elm, Missouri
PEDON
Describers Name:
John L. Baker, Greg Caldwell, David Skaer
Current Taxonomic Class:
Fine-silty Mollic Hapludalfs
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Knox
PSC -
18 to 69 cm.
Classificaton Date -
9/16/2010
Sampled As Information:
Soil Name -
Ladoga
Classificaton Date -
3/8/2005
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Landscape:
upland
Landform:
upland slope
Geomorphic Component Hills:
side slope
Hill Slope Profile:
summit
Slope Shape Across:
convex
Slope Shape Down:
convex
Runoff:
medium
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
3/8/2005 (entry creation 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
mollic epipedon
argillic horizon
0—18
18—152
—-
—-
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
7
—
—
254
—
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (10YR 3/3) exterior, grayish brown (10YR 5/2) exterior, dry; silt loam; moderate fine granular structure; friable; moderate permeability; 5.0 fine roots; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # MU014654; moist when described; observed in pit, small
Bt1—18 to 46 centimeters (7.1 to 18.1 inches); brown (10YR 4/3) exterior silty clay loam; moderate very fine subangular blocky structure; firm; 4.0 very fine roots; 11 percent prominent silt coats and 44 percent distinct clay films on faces of peds; 1 percent fine prominent iron-manganese masses; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # MU014655; observed in pit, small
Bt2—46 to 69 centimeters (18.1 to 27.2 inches); yellowish brown (10YR 5/4) exterior silty clay loam; 18 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate very fine subangular blocky structure; firm; 4.0 very fine roots; 6 percent distinct silt coats and 50 percent distinct clay films on faces of peds; 18 percent fine iron-manganese masses; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # MU014656; observed in pit, small
Bt3—69 to 89 centimeters (27.2 to 35.0 inches); yellowish brown (10YR 5/4) exterior silty clay loam; strong brown (7.5YR 5/8) and 15 percent grayish brown (10YR 5/2) fine prominent mottles; weak medium subangular blocky structure; firm; 4.0 very fine roots; 5 percent distinct clay films on faces of peds and 10 percent distinct silt coats; 1 percent fine iron-manganese masses; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # MU014657; observed in pit, small
Bt4—89 to 130 centimeters (35.0 to 51.2 inches); yellowish brown (10YR 5/4) exterior silty clay loam; 20 percent strong brown (7.5YR 5/8) fine prominent mottles; weak fine subangular blocky structure; firm; 1.0 very fine roots; 11 percent distinct clay films on faces of peds and 88 percent distinct silt coats; 1 percent fine iron-manganese masses; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # MU014658; observed in pit, small
Bt5—130 to 152 centimeters (51.2 to 59.8 inches); yellowish brown (10YR 5/4) exterior silty clay loam; 18 percent strong brown (7.5YR 5/8) fine prominent mottles; weak fine subangular blocky structure; firm; 1.0 very fine roots; 10 percent distinct clay films on faces of peds; 1 percent fine iron-manganese masses; fragments; moderately acid, pH 5.7. Lab sample # MU014659; observed in pit, small