IDENTIFIERS
Current Taxon Name (Soil Name):
Bona
OSD
Series Extent
User Site ID:
1991MO167155M
User Pedon ID:
1991MO167155
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9116730
Print Date:
11/21/2024
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:
37.5400000
Std. Longitude:
-93.4547222
Datum:
WGS84
Township:
T33N
Range:
R23W
Section:
21
PLSS Details:
1425 feet W and 800 feet S of the NW corner
Location Description:
1425 feet west and 800 feet south of the northwest corner of section 21, T. 33 N., R. 23 W.
Map Unit:
70000—Bona gravelly silt loam, 3 to 8 percent slopes
State:
Missouri
County:
MO167—Polk
MLRA:
116B—Springfield Plain
Non-MLRA Soil Survey Area:
MO167—Polk County, Missouri
PEDON
Describers Name:
Richard L. Henderson, Larry E. Kichler, John Bowers, Richard McBee
Current Taxonomic Class:
Clayey-skeletal, mixed Typic Paleudolls
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Bona
PSC -
46 to 96 cm.
Classificaton Date -
4/18/2012
Moisture Class -
udic
Sampled As Information:
Soil Name -
Eldon
Taxon Kind -
series
Classificaton Date -
2/28/1991
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone and/or solid rock derived from cherty limestone
Landscape:
plateau
Landform:
ridge
Geomorphic Component Hills:
side slope
Hill Slope Profile:
shoulder
Slope Shape Across:
convex
Slope Shape Down:
convex
Runoff:
medium
Drainage Class:
well
Bedrock:
limestone, cherty
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
2/28/1991 (actual site observation date)
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
mollic epipedon
argillic horizon
lithic contact
0—46
46—183
183—203
—-
—-
—-
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
5
—
—
332
—
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; gravelly silt loam; weak medium granular structure; friable; 8.0 fine roots; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU043071
A—15 to 46 centimeters (5.9 to 18.1 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; very gravelly silt loam; moderate medium granular structure; friable; 8.0 fine roots; 55 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # MU043072
Bt1—46 to 61 centimeters (18.1 to 24.0 inches); dark brown (7.5YR 3/4) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 4.0 fine roots; 55 percent distinct clay films on faces of peds; 3 percent by volume 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # MU043073. continuous - phpvsfiid 158758; continuous - phpvsfiid 158758
2Bt2—61 to 76 centimeters (24.0 to 29.9 inches); yellowish red (5YR 4/6) very gravelly clay; moderate fine subangular blocky structure; firm; 4.0 fine roots; 1 percent distinct clay films on faces of peds; 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # MU043074. continuous - phpvsfiid 158759; continuous - phpvsfiid 158759
2Bt3—76 to 102 centimeters (29.9 to 40.2 inches); red (2.5YR 4/6) clay; moderate fine angular blocky structure; firm; 0.1 fine roots; 1 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU043075. continuous - phpvsfiid 158760; continuous - phpvsfiid 158760
2Bt4—102 to 183 centimeters (40.2 to 72.0 inches); red (2.5YR 4/6) clay; moderate fine angular blocky structure; firm; 0.1 fine roots; 1 percent distinct clay films on faces of peds; 10 percent yellowish red (5YR 5/8) masses of oxidized iron; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU043076. continuous - phpvsfiid 158761; continuous - phpvsfiid 158761
2R—183 centimeters (72.0 inches); bedrock; fragments.