IDENTIFIERS
Current Taxon Name (Soil Name):
Coteau
OSD
Series Extent
User Site ID:
S1979LA097007
User Pedon ID:
79LA097007
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
80P0125
NCSS Pedon Lab Data NASIS Record ID -
47355
Print Date:
11/12/2024
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:
30.5155563
Std. Longitude:
-92.1050034
Datum:
WGS84
Township:
6S
Range:
4E
PLSS Details:
1 mi S of Opelousas on LA Hwy 357 675 feet E of Hwy, 90 feet S of woods line, Spanish Land Grant 93
State:
Louisiana
County:
LA097—St. Landry
Regional Office:
7—Auburn, AL
PEDON
Describers Name:
J. Driessen and K. Murphy
Current Taxonomic Class:
Fine-silty, mixed, active, thermic Glossaquic Hapludalfs
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
7
Correlated Information:
Soil Name -
Coteau
Classificaton Date -
7/11/2007
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Coteau
Taxonomic Class -
Fine-silty, mixed, thermic Glossaquic Hapludalf
Taxon Kind -
series
Classificaton Date -
11/1/1979
Moisture Class -
udic
Moisture SUBClass -
aquic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
terrace—stream or lake
Slope Shape Down:
convex
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
11/1/1979 (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
Site Erosion Accelerated:
water erosion
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
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1Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) interior silt loam; weak fine granular structure; very friable; 5.5 fine roots; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 80P00632. many fine roots
1B21t—15 to 30 centimeters (5.9 to 11.8 inches); brown (7.5YR 4/4) interior silty clay loam; moderate medium subangular blocky structure; firm; 2.5 fine roots; 0.5 fine vesicular pores; faint , moist, clay films on vertical faces of peds and faint , moist, skeletans on faces of peds and faint , moist, clay films in root channels and/or pores; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 80P00633. common fine roots; patchy - phpvsfiid 214447; patchy - phpvsfiid 214448; patchy - phpvsfiid 228877; patchy - phpvsfiid 214447; patchy - phpvsfiid 214448; patchy - phpvsfiid 228877
1B22t—30 to 51 centimeters (11.8 to 20.1 inches); brown (7.5YR 4/4) interior silty clay loam; weak medium prismatic, and moderate medium subangular blocky structure; firm; 2.5 fine roots; 0.5 fine vesicular pores; faint , moist, clay films in root channels and/or pores and faint , moist, clay films on vertical faces of peds and faint , moist, skeletans on faces of peds; fragments; strongly acid, pH 5.3, hellige-truog; clear irregular boundary. Lab sample # 80P00634. Common fine yellowish brown nodules with black interiors; dark areas are slightly brittle (10% of cross-section).; common fine roots; discontinuous - phpvsfiid 214449; discontinuous - phpvsfiid 214450; discontinuous - phpvsfiid 214451; discontinuous - phpvsfiid 214449; discontinuous - phpvsfiid 214450; discontinuous - phpvsfiid 214451
1B&A'2—51 to 89 centimeters (20.1 to 35.0 inches); brown (7.5YR 4/4) interior silty clay loam; moderate medium prismatic, and moderate medium subangular blocky structure; firm; 2.5 fine roots; 0.5 fine vesicular pores; faint , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear irregular boundary. Lab sample # 80P00635. Interfingers of pale brown (10YR 6/3) silt loam that are 1-1.5 cm thick between prisms make up about 25 percent of horizon; common fine yellowish brown nodules with black interiors (slightly brittle).; common fine roots; discontinuous - phpvsfiid 214452; discontinuous - phpvsfiid 214452
1B23t—89 to 114 centimeters (35.0 to 44.9 inches); 60 percent brown (7.5YR 4/4) interior and 40 percent light brownish gray (2.5Y 6/2) interior silty clay loam; moderate coarse prismatic, and moderate medium subangular blocky structure; firm; 0.5 fine roots; 0.5 fine vesicular pores; faint , moist, clay films on faces of peds and faint , moist, skeletans on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 80P00637. Common fine yellowish brown nodules with black interiors.; few fine roots; patchy - phpvsfiid 214454; discontinuous - phpvsfiid 214453; patchy - phpvsfiid 214454; discontinuous - phpvsfiid 214453
1B24t—114 to 157 centimeters (44.9 to 61.8 inches); brown (7.5YR 4/4) interior silt loam; 11 percent yellowish brown (10YR 5/4) medium distinct mottles; moderate coarse prismatic, and weak coarse subangular blocky structure; friable; 2.5 medium tubular and 0.5 fine vesicular pores; prominent grayish brown (10YR 5/2), moist, clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 80P00638. common medium distinct 10YR54 mottles; continuous - phpvsfiid 214455; continuous - phpvsfiid 214455
1B3—157 to 178 centimeters (61.8 to 70.1 inches); brown (7.5YR 4/4) interior silt loam; 1 percent brown (7.5YR 5/2) fine faint mottles; weak coarse prismatic structure; friable; distinct grayish brown (10YR 5/2), moist, clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # 80P00639. few fine faint 7.5YR52 mottles; continuous - phpvsfiid 214456; continuous - phpvsfiid 214456