IDENTIFIERS
Current Taxon Name (Soil Name):
KESWICK
OSD
Series Extent
User Site ID:
2007MO139067
User Pedon ID:
2007MO139067
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M0713967
NCSS Pedon Lab Data NASIS Record ID -
25633
Print Date:
4/27/2025
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:
38.8726944
Std. Longitude:
-91.5325833
Datum:
WGS84
Township:
T47N
Range:
R6W
Section:
1
PLSS Details:
1,617 feet West and 2,125 feet South from the North East corner
Country:
US—United States
State:
Missouri
County:
MO139—Montgomery
MLRA:
115—Central Mississippi Valley Wooded Slopes
Non-MLRA Soil Survey Area:
MO603—Montgomery and Warren Counties, Missouri
7.5 Minute USGS Quad:
38091-G5—Americus, Missouri
PEDON
Describers Name:
John Horton, Dennis Meinert, Keith Knelle
Current Taxonomic Class:
Fine, smectitic, mesic Aquertic Chromic Hapludalfs
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Missouri Pedon
Pedon #:
67
Sampled As Information:
Soil Name -
KESWICK
Taxonomic Class -
Fine, smectitic, mesic Aquertic Chromic Hapludalfs
PSC -
20 to 70 cm.
Classificaton Date -
8/9/2007
Soil Taxonomic Edition -
ninth edition
Moisture Class -
udic
Moisture SUBClass -
aquic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
hills
Landform:
hillslope
Geomorphic Component Hills:
side slope
Hill Slope Profile:
shoulder
Slope Position:
upper third
Slope Complexity:
simple
Slope Shape Across:
concave
Slope Shape Down:
concave
Runoff:
negligible
Drainage Class:
somewhat poorly
Flooding:
none flooding
Ponding:
none ponding
Geology:
Holocene Stage formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/9/2007 (actual site observation date)
Air Photo ID:
38091g5ne
Surface Water Kind:
none observed
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
other grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion sheet
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—20
20—200
—20—
—180—
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
—
—
251.8
—
140
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 20 centimeters (0.0 to 7.9 inches); 50 percent brown (10YR 4/3) broken face and 50 percent dark grayish brown (10YR 4/2) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 35 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; clear smooth boundary. Lab sample # MU003768; observed in pit, small
Bt—20 to 38 centimeters (7.9 to 15.0 inches); brown (10YR 4/3) broken face silty clay loam; moderate fine subangular blocky structure; friable; 3.0 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct brown (7.5YR 4/4), moist, clay films on all faces of peds and 35 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark grayish brown (10YR 4/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU003769; observed in pit, small
Btg1—38 to 58 centimeters (15.0 to 22.8 inches); 50 percent dark grayish brown (10YR 4/2) broken face and 50 percent reddish brown (10YR 4/3) broken face silty clay; moderate medium subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct brown (10YR 4/3), moist, clay films; 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU003770; observed in pit, small
Btg2—58 to 100 centimeters (22.8 to 39.4 inches); grayish brown (2.5Y 5/2) broken face clay loam; moderate medium prismatic structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 5/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented olive brown (2.5Y 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU003771; observed in pit, small
2Btg3—100 to 132 centimeters (39.4 to 52.0 inches); gray (5Y 6/1) broken face clay; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 35 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU003772; observed in pit, small
2Btg4—132 to 165 centimeters (52.0 to 65.0 inches); gray (5Y 6/1) broken face clay; moderate fine subangular blocky, and moderate coarse prismatic structure; firm; 0.5 fine tubular pores; 12 percent distinct gray (5Y 6/1), moist, slickensides (geogenic) and 12 percent faint olive gray (5Y 5/2), moist, clay films on all faces of peds and 35 percent prominent light olive gray (5Y 6/2), moist, pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU003773; observed in pit, small
2Btg5—165 to 185 centimeters (65.0 to 72.8 inches); 50 percent gray (2.5Y 6/1) broken face and 50 percent gray (2.5Y 5/1) broken face clay; moderate fine subangular blocky, and moderate coarse prismatic structure; firm; 0.5 fine tubular pores; 12 percent faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU003774; observed in pit, small
2Btg6—185 to 200 centimeters (72.8 to 78.7 inches); 70 percent gray (5Y 6/1) broken face and 30 percent dark grayish brown (2.5Y 4/2) broken face clay loam; massive; very firm; 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU003775; observed in pit, small