IDENTIFIERS
Current Taxon Name (Soil Name):
Plato
OSD
Series Extent
User Site ID:
1994MO125003S
User Pedon ID:
1994MO125003
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
95P0338
Print Date:
12/11/2024
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:
38.2799988
Std. Longitude:
-91.8658371
Datum:
WGS84
Township:
T41N
Range:
R9W
Section:
36
PLSS Details:
400 feet N and 100 feet W of the SE corner
State:
Missouri
County:
MO125—Maries
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO125—Maries County, Missouri
7.5 Minute USGS Quad:
38091-B7—Paydown, Missouri
PEDON
Current Taxonomic Class:
Fine, mixed Aquic Fragiudalfs
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
3
Sampled As Information:
Soil Name -
Plato
Taxonomic Class -
Fine, mixed Aquic Fragiudalfs
Taxon Kind -
series
PSC -
20 to 70 cm.
Classificaton Date -
5/1/1994
Moisture Class -
udic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess derived from mixed
Landscape:
hills
Landform:
ridge
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/1/1994 (actual site observation date)
Surface Cover Properties:
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
2
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—
258
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Ap—0 to 20 centimeters (0.0 to 7.9 inches); grayish brown (10YR 5/2) interior silt loam; moderate fine granular structure; friable; 21.0 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # 95P02635. All rock fragments throughout this pedon are chert.
Bt1—20 to 41 centimeters (7.9 to 16.1 inches); 50 percent strong brown (7.5YR 4/6) interior and 50 percent yellowish red (5YR 4/6) interior silty clay; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 30 percent distinct clay films on tops of soil columns and 30 percent prominent silt coats on faces of peds and 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 95P02636. discontinuous - phpvsfiid 181772; continuous - phpvsfiid 194361; discontinuous - phpvsfiid 181773; discontinuous - phpvsfiid 181772; continuous - phpvsfiid 194361; discontinuous - phpvsfiid 181773
Bt2—41 to 61 centimeters (16.1 to 24.0 inches); 70 percent brown (10YR 5/3) interior and 30 percent yellowish brown (10YR 5/6) interior silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 30 percent distinct clay films on tops of soil columns and 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 95P02637. continuous - phpvsfiid 181774; discontinuous - phpvsfiid 181775; continuous - phpvsfiid 181774; discontinuous - phpvsfiid 181775
Bt3—61 to 76 centimeters (24.0 to 29.9 inches); 60 percent grayish brown (10YR 5/2) interior and 30 percent dark yellowish brown (10YR 4/6) interior silty clay loam; 3 percent dark yellowish brown (10YR 4/4) fine distinct irregular mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 30 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; abrupt wavy boundary. Lab sample # 95P02638. discontinuous - phpvsfiid 181776; discontinuous - phpvsfiid 181776
2Btx1—76 to 102 centimeters (29.9 to 40.2 inches); 80 percent yellowish brown (10YR 5/4) interior silt loam; 3 percent grayish brown (10YR 5/2) fine distinct irregular and 3 percent dark yellowish brown (10YR 4/4) fine faint irregular mottles; moderate very coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 0.5 very fine low-continuity vesicular pores; 10 percent prominent manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; clear wavy boundary. Lab sample # 95P02639. discontinuous - phpvsfiid 181777; discontinuous - phpvsfiid 181778; discontinuous - phpvsfiid 181777; discontinuous - phpvsfiid 181778
2Btx2—102 to 127 centimeters (40.2 to 50.0 inches); yellowish brown (10YR 5/4) interior silt loam; moderate coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 0.5 very fine low-continuity vesicular pores; 30 percent prominent clay films in root channels and/or pores; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.0, hellige-truog; clear wavy boundary. Lab sample # 95P02640. discontinuous - phpvsfiid 181779; discontinuous - phpvsfiid 181779
2Btx3—127 to 152 centimeters (50.0 to 59.8 inches); yellowish brown (10YR 5/4) interior extremely gravelly silt loam; weak coarse prismatic structure; extremely firm*; 0.5 fine moderate-continuity vesicular pores; 10 percent distinct clay films on faces of peds and 10 percent prominent manganese or iron-manganese stains throughout and 30 percent distinct silt coats throughout; 5 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 65 percent by volume subrounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.0, hellige-truog. Lab sample # 95P02641. continuous - phpvsfiid 181782; discontinuous - phpvsfiid 181780; discontinuous - phpvsfiid 181781; continuous - phpvsfiid 181782; discontinuous - phpvsfiid 181780; discontinuous - phpvsfiid 181781