IDENTIFIERS

  • Current Taxon Name (Soil Name): Weir
  • OSD
  • Series Extent
  • User Site ID: 1938IL119001
  • User Pedon ID: 1938IL119001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 38IL119001
  • NCSS Pedon Lab Data NASIS Record ID - 20400
  • Print Date: 1/30/2025

    • 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: 38.7137595
  • Std. Longitude: -89.8211029
  • Datum: WGS84
  • Township: 3N
  • Range: 7W
  • Section: 13
  • Location Description: 300 FT E of road crossing in railroad cut
  • State: Illinois
  • County: IL119—Madison
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL119—Madison County, Illinois

    • PEDON

  • Describers Name: RTO
  • Current Taxonomic Class: Fine, smectitic, mesic Typic Endoaqualfs
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Weir
  • PSC - 48 to 98 cm.
  • Classificaton Date - 2/22/2010
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Weir
  • Classificaton Date - 11/1/1938
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1938 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • 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

    0.2

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    A1—0 to 13 centimeters (0.0 to 5.1 inches); grayish brown (10YR 5/2) silt loam; weak fine granular structure; friable; fragments; abrupt wavy boundary. Lab sample # IL15793
    A2—13 to 30 centimeters (5.1 to 11.8 inches); light gray (10YR 7/1) silt loam; weak fine platy structure; friable; 10 percent fine dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; abrupt wavy boundary. Lab sample # IL15794, IL15795. Horizon split for sampling: IL15794 13 to 23 cm, IL15795 23 to 30 cm.
    A-B—30 to 38 centimeters (11.8 to 15.0 inches); grayish brown (2.5Y 5/2) silty clay loam; moderate fine angular blocky structure; firm; 50 percent light gray (10YR 7/1) silt coats on all faces of peds; 1 percent fine dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; clear wavy boundary. Lab sample # IL15796
    B1—38 to 48 centimeters (15.0 to 18.9 inches); grayish brown (2.5Y 5/2) silty clay loam; 1 percent yellowish brown (10YR 5/4) fine faint mottles; strong fine angular blocky structure; firm; 10 percent gray (2.5Y 5/1), moist, organoargillans on all faces of peds; 1 percent fine dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL15797, IL15798. Horizon split for sampling: IL15797 38 to 43 cm, IL15798 43 to 48 cm.
    B21—48 to 61 centimeters (18.9 to 24.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 10 percent yellowish brown (10YR 5/4) fine faint mottles; moderate medium prismatic, and strong medium angular blocky structure; firm; 25 percent gray (2.5Y 5/1), moist, organoargillans on all faces of peds; 10 percent medium dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL15799, IL15800. Horizon split for sampling: IL15799 48 to 53 cm, IL15800 53 to 61 cm.
    B22—61 to 76 centimeters (24.0 to 29.9 inches); grayish brown (2.5Y 5/2) silty clay loam; 10 percent yellowish brown (10YR 5/4) medium faint mottles; moderate medium prismatic, and strong medium angular blocky structure; firm; 25 percent gray (2.5Y 5/1), moist, organoargillans on all faces of peds; 10 percent medium brown (10YR 4/3), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL15801, IL15802. Horizon split for sampling: IL15801 61 to 69 cm, IL15802 69 to 76 cm.
    B23—76 to 102 centimeters (29.9 to 40.2 inches); gray (2.5Y 6/1) silty clay loam; 10 percent yellowish brown (10YR 5/4) medium distinct mottles; moderate coarse angular blocky structure; firm; 25 percent gray (2.5Y 5/1), moist, organoargillans on all faces of peds; 25 percent medium dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL15803, IL15804. Horizon split for sampling: IL15803 76 to 89 cm, IL15804 89 to 102 cm.
    B3—102 to 127 centimeters (40.2 to 50.0 inches); gray (2.5Y 6/1) silt loam; 10 percent yellowish brown (10YR 5/4) medium distinct mottles; weak coarse angular blocky structure; firm; 10 percent gray (2.5Y 5/1), moist, organoargillans on all faces of peds; 10 percent medium dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL15805, IL15806. Horizon split for sampling: IL15805 102 to 114 cm, IL15806 114 to 127 cm.
    C11—127 to 152 centimeters (50.0 to 59.8 inches); light gray (2.5Y 7/1) silt loam; 10 percent yellowish brown (10YR 5/6) medium distinct mottles; firm; 10 percent medium dark yellowish brown (10YR 4/4), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL15807, IL15808. Horizon split for sampling: IL15807 127 to 140 cm, IL15808 140 to 152 cm.
    C12—152 to 165 centimeters (59.8 to 65.0 inches); light gray (2.5Y 7/1) silt loam; 1 percent yellowish brown (10YR 5/6) medium distinct mottles; massive; friable; fragments. Lab sample # IL15809