IDENTIFIERS
Current Taxon Name (Soil Name):
Keswick
OSD
Series Extent
User Site ID:
1991MO019021
User Pedon ID:
1991MO019021
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9101921
NCSS Pedon Lab Data NASIS Record ID -
34337
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:
39.0313969
Std. Longitude:
-92.2617323
Datum:
WGS84
Range:
R12W
Section:
15
Location Description:
600 feet east and 900 feet south of the northwest corner of sec. 15, T.48N.,R.12W.
State:
Missouri
County:
MO019—Boone
MLRA:
115—Central Mississippi Valley Wooded Slopes
PEDON
Describers Name:
CCK and FJY
Pedon Type:
within range of map unit
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Sampled As Information:
Soil Name -
Keswick
PSC -
13 to 64 cm.
Classificaton Date -
5/9/1991
Moisture Class -
udic
Dynamic Soil Properties:
Erosion Class -
2
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess and/or till
Landscape:
till plain
Landform:
ridge
Geomorphic Component Hills:
side slope
Hill Slope Profile:
backslope
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/9/1991 (actual site observation date)
Air Photo ID:
25
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—13
13—170
—-
—-
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
9
—
—
—
—
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) silt loam; weak fine subangular blocky structure; friable; 6.0 very fine and fine roots; fragments; neutral, pH 6.7, hellige-truog; abrupt smooth boundary. Lab sample # MU040190. (Note: There is some mixing of the Bt1 horizon in the lower part.)
Bt1—13 to 28 centimeters (5.1 to 11.0 inches); brown (7.5YR 4/3) loam; 1 percent grayish brown (10YR 5/2) fine and 15 percent brown (10YR 5/3) fine mottles; moderate very fine subangular blocky structure; firm; 3.0 very fine and fine roots; 35 percent faint brown (7.5YR 4/4) clay films on faces of peds and 60 percent faint silt coats; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU040191. (Note: There is an increase in sand content.)
2Bt2—28 to 41 centimeters (11.0 to 16.1 inches); yellowish brown (10YR 5/4) clay loam; light brownish gray (10YR 6/2) and 15 percent pale brown (10YR 6/3) fine mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.1 very fine roots; 35 percent distinct and 60 percent faint clay films on faces of peds; 10 percent fine red (2.5YR 4/6) masses of oxidized iron; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040192
2Bt3—41 to 69 centimeters (16.1 to 27.2 inches); yellowish brown (10YR 5/6) clay; gray (10YR 6/1) and 25 percent light brownish gray (10YR 6/2) fine mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 35 percent faint clay films on faces of peds and 35 percent pressure faces; 1 percent fine red (2.5YR 4/6) masses of oxidized iron; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040193
2Btg1—69 to 104 centimeters (27.2 to 40.9 inches); light brownish gray (10YR 6/2) clay loam; moderate coarse subangular blocky structure; very firm; 15 percent faint brown (10YR 5/3) clay films on faces of peds and 15 percent manganese or iron-manganese stains in root channels and/or pores; 25 percent coarse yellowish brown (10YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU040194
2Btg2—104 to 170 centimeters (40.9 to 66.9 inches); gray (10YR 6/1) clay loam; strong medium subangular blocky structure; very firm; 35 percent nonintersecting slickensides and 35 percent manganese or iron-manganese stains in root channels and/or pores; 1 percent medium yellowish brown (10YR 5/6) masses of oxidized iron; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # MU040195