IDENTIFIERS
Current Taxon Name (Soil Name):
Keosauqua
OSD
Series Extent
User Site ID:
2007MO13978
User Pedon ID:
2007MO13978
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M0713978
NCSS Pedon Lab Data NASIS Record ID -
25354
Print Date:
2/2/2025
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:
38.9036944
Std. Longitude:
-91.5821389
Datum:
WGS84
Township:
T48N
Range:
R6W
Section:
27
PLSS Details:
53 feet East and 1,755 feet South from the North West 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-H5—Montgomery City, Missouri
PEDON
Describers Name:
Keith Knelle, John Horton, Dennis Meinert
Current Taxonomic Class:
Fine-loamy, mixed, superactive, mesic Typic Argiudolls
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Missouri Pedon
Pedon #:
78
Correlated Information:
Soil Name -
Keosauqua
PSC -
18 to 69 cm.
Classificaton Date -
4/11/2012
Soil Taxonomic Edition -
ninth edition
Moisture Class -
udic
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
COLAND
Classificaton Date -
9/12/2007
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
river valley
Landform:
terrace
Geomorphic Component Terraces:
tread
Slope Complexity:
simple
Slope Shape Across:
linear
Slope Shape Down:
linear
Runoff:
negligible
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Geology:
Holocene Stage formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/12/2007 (actual site observation date)
Air Photo ID:
38091h5sw
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
mollic epipedon
redox concentrations
cambic horizon
0—43
18—107
43—163
—43—
—89—
—120—
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
2
—
—
174
—
209
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); 70 percent very dark grayish brown (10YR 3/2) broken face and 30 percent dark brown (10YR 3/3) broken face loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 fine interstitial and 0.5 fine tubular pores; 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001697; observed in push tube
Bt1—18 to 43 centimeters (7.1 to 16.9 inches); 70 percent very dark grayish brown (10YR 3/2) broken face and 30 percent dark brown (10YR 3/3) broken face loam; moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 fine tubular pores; 12 percent faint very dark brown (10YR 2/2), moist, organic stains on all faces of peds and 12 percent faint dark brown (10YR 3/3), moist, clay films on surfaces along root channels; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary.; observed in push tube
Bt2—43 to 107 centimeters (16.9 to 42.1 inches); dark yellowish brown (10YR 3/4) broken face clay loam; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine tubular pores; 12 percent faint dark yellowish brown (10YR 3/4), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
Bt3—107 to 137 centimeters (42.1 to 53.9 inches); 60 percent brown (7.5YR 4/4) broken face and 40 percent strong brown (7.5YR 4/6) broken face clay loam; moderate coarse subangular blocky structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 35 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary.; observed in push tube
Bt4—137 to 163 centimeters (53.9 to 64.2 inches); strong brown (7.5YR 4/6) broken face sandy clay loam; moderate medium subangular blocky structure; firm; 0.5 medium tubular and 0.5 fine tubular pores; 70 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary.; observed in push tube
2Bt5—163 to 203 centimeters (64.2 to 79.9 inches); strong brown (7.5YR 4/6) broken face sandy loam; weak fine subangular blocky structure; friable; 3.0 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, clay films on surfaces along root channels; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments.; observed in push tube