IDENTIFIERS
Current Taxon Name (Soil Name):
Grundy
OSD
Series Extent
User Site ID:
S1957MO025004
User Pedon ID:
S1957MO025004
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
40A2716
NCSS Pedon Lab Data NASIS Record ID -
37300
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:
39.5541992
Std. Longitude:
-94.1207809
Datum:
WGS84
Township:
55N
Range:
29W
Section:
26
PLSS Details:
NE 1/4 NW 1/4 NE 1/4
Location Description:
215 feet south of the center of Missouri Highway No. 116 south of Prairie Ridge Cemetery.
State:
Missouri
County:
MO025—Caldwell
Non-MLRA Soil Survey Area:
MO025—Caldwell County, Missouri
7.5 Minute USGS Quad:
39094-E1—Polo, Missouri
PEDON
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
4
Sampled As Information:
Soil Name -
Grundy
Classificaton Date -
1/1/1957
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
till plain
Landform:
ridge
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
1/1/1957 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
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
1
—
—
311
—
—
—
—
—
—
—
—
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—
A1p—0 to 15 centimeters (0.0 to 5.9 inches); black (10YR 2/1) and very dark brown (10YR 2/2), dark gray (10YR 4/1) crushed, dry; silt loam; weak fine and medium granular structure; friable; fragments; abrupt boundary. Lab sample # 40A21274. cloddy structure.
A3—15 to 23 centimeters (5.9 to 9.1 inches); black (10YR 2/1) and very dark brown (10YR 2/2) silty clay loam; moderate very fine subangular blocky, and medium granular structure; friable; fragments; clear boundary. Lab sample # 40A21275
B1—23 to 33 centimeters (9.1 to 13.0 inches); very dark gray (10YR 3/1) silty clay loam, silty clay; dark yellowish brown (10YR 4/4) and 1 percent dark brown (10YR 3/3) mottles; strong fine subangular blocky structure; fragments; clear boundary. Lab sample # 40A21276. mottles 1 mm in diameter in ped interiors.
B21—33 to 48 centimeters (13.0 to 18.9 inches); dark grayish brown (2.5Y 4/2) and yellowish brown (10YR 5/4) silty clay; dark gray (10YR 4/1) and very dark gray (10YR 3/1) and yellowish brown (10YR 5/4) fine distinct and 1 percent dark reddish brown (2.5YR 3/3) mottles; weak and moderate prismatic parts to weak and moderate angular blocky structure; very firm; very dark gray (10YR 3/1) clay films on faces of peds; fragments; gradual boundary. Lab sample # 40A21277. mottles about 1 mm in diameter occur in the upper part of this horizon.; continuous - phpvsfiid 183546; continuous - phpvsfiid 183546
B22—48 to 74 centimeters (18.9 to 29.1 inches); silty clay; grayish brown (2.5Y 5/2) fine distinct and dark brown (10YR 3/3) and brown (10YR 4/3) and brown (10YR 5/3) mottles; moderate medium prismatic parts to weak medium and coarse angular blocky structure; very firm; very dark gray (10YR 3/1) coats; fragments; gradual boundary. Lab sample # 40A21278. coatings 1 to 3 square cms. in area on faces of prisms and blocky peds.; discontinuous - phpvsfiid 183547; discontinuous - phpvsfiid 183547
B31—74 to 99 centimeters (29.1 to 39.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 3 percent yellowish brown (10YR 5/4) fine distinct mottles; weak coarse angular blocky parts to medium and coarse prismatic structure; firm; 3.0 tubular pores; clay films on all faces of peds; fragments; gradual boundary. Lab sample # 40A21279. few dark soft oxide concretions 1 to 2 mm in diameter; pores .07 to 2 mm. in diameter usually lined with very dark gray clay films; in the lower part of this horizon is a conspicuous band ranging from 2 to 5 inches thick of oxide concretions and mottles. The upper part of this band contains many soft dark oxide concretions about 2 to 4 mm. in diameter; the lower part of the band contains many medium to large yellowish red mottles.; discontinuous - phpvsfiid 183548; discontinuous - phpvsfiid 183548
B32—99 to 127 centimeters (39.0 to 50.0 inches); gray (2.5Y 5/1) and grayish brown (10YR 5/2) silty clay loam; strong brown (7.5YR 5/6) and 21 percent yellowish brown (10YR 5/4) fine and medium prominent mottles; massive; friable; tubular pores; dark gray (10YR 4/1) clay films and very dark gray (10YR 3/1); yellowish red (5YR 5/6); fragments; diffuse boundary. Lab sample # 40A21280. common vertical cleavage planes; clay films line pores .07 to 2 mm in diameter and are discontinuous on vertical cleavage faces; oxides about 1 mm thick occur adjacent to tubular pores.
C—127 to 152 centimeters (50.0 to 59.8 inches); grayish brown (2.5Y 5/2) silt loam; yellowish red (5YR 5/6) and 3 percent dark yellowish brown (10YR 4/4) fine mottles; massive; friable; 3.0 tubular pores; clay films in root channels and/or pores; fragments. Lab sample # 40A21281. few dark soft oxide accumulations 2 to 3 mm. in diameter; pores .07 to 1 mm in diameter are mostly line with dark clay films. This horizon is loess.; continuous - phpvsfiid 183551; continuous - phpvsfiid 183551
C—152 to 178 centimeters (59.8 to 70.1 inches); grayish brown (2.5Y 5/2) silt loam; yellowish red (5YR 5/6) and 3 percent dark yellowish brown (10YR 4/4) fine mottles; massive; friable; 3.0 tubular pores; clay films in root channels and/or pores; fragments. Lab sample # 40A21282. few dark soft oxide accumulations 2 to 3 mm in diameter; pores .07 to 1 mm in diameter are mostly lines with dark clay films; this horizon is loess; continuous - phpvsfiid 183552; continuous - phpvsfiid 183552
A1b—178 to 185 centimeters (70.1 to 72.8 inches); dark gray (5YR 4/1) silty clay loam; massive; firm; fragments. Lab sample # 40A21283. some strong brown (7.5YR 5/6) streaks.
A2b—185 to 203 centimeters (72.8 to 79.9 inches); light olive gray (5Y 6/2) and grayish brown (2.5Y 5/2) crushed silty clay loam; dark yellowish brown (10YR 4/6) and olive brown (2.5Y 4/3) mottles; fragments. Lab sample # 40A21284
B1b—203 to 246 centimeters (79.9 to 96.9 inches); gray (5Y 5/1) and yellowish brown (10YR 5/4) crushed silty clay; 21 percent yellowish brown (10YR 5/6) mottles; fragments; gradual broken boundary. Lab sample # 40A21285
B2b—246 to 274 centimeters (96.9 to 107.9 inches); fragments. Lab sample # 40A21286. Plastic clay mottled as above with occasional sand grains.