IDENTIFIERS

  • Current Taxon Name (Soil Name): LAWSON
  • OSD
  • Series Extent
  • User Site ID: S1982IL029019
  • User Pedon ID: 1982IL029019
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0059
  • NCSS Pedon Lab Data NASIS Record ID - 51751
  • Print Date: 5/29/2024
  • 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: 39.4319458
  • Std. Longitude: -88.1575012
  • Datum: WGS84
  • Township: 11N
  • Range: 9E
  • Section: 1
  • PLSS Details: 180 feet east and 740 feet south of the NW corner
  • Map Unit: 3451cA—Lawson silt loam, cool mesic, 0 to 2 percent slopes, frequently flooded
  • Country: US—United States
  • State: Illinois
  • County: IL029—Coles
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-AUR—Aurora, Illinois
  • Non-MLRA Soil Survey Area: IL029—Coles County, Illinois
  • 7.5 Minute USGS Quad: 39088-D2—Charleston South, Illinois
  • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, mesic Cumulic Hapludolls
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 19
  • Correlated Information:
  • Soil Name - Lawson
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/9/2006
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Lawson
  • Taxon Kind - series
  • Classificaton Date - 6/1/1982
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: silty alluvium
  • Landscape: till plain
  • Landform: flood plain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1982 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    0—66

    —66—

    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

    170.7

    0

    1041

    186

    12.2

    Ap—0 to 28 centimeters (0.0 to 11.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate fine granular structure; friable; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # 83P00256
    A—28 to 66 centimeters (11.0 to 26.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; 1 percent yellowish brown (10YR 5/4) fine distinct and 1 percent brown (10YR 5/3) fine faint mottles; moderate medium subangular blocky, and moderate fine granular structure; firm; fragments; neutral, pH 7.0; clear smooth boundary.
    C1—66 to 105 centimeters (26.0 to 41.3 inches); very dark grayish brown (10YR 3/2) silt loam; weak coarse subangular blocky structure; firm; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # 83P00257
    C2—105 to 152 centimeters (41.3 to 59.8 inches); very dark grayish brown (10YR 3/2) silt loam; massive; friable; 10 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0.