IDENTIFIERS

  • Current Taxon Name (Soil Name): Keomah
  • OSD
  • Series Extent
  • User Site ID: 1984IL183130
  • User Pedon ID: 1984IL183130
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 84IL183130
  • NCSS Pedon Lab Data NASIS Record ID - 21784
  • Print Date: 2/3/2025

    • 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: 40.0978250
  • Std. Longitude: -87.7010889
  • Datum: WGS84
  • Township: 19N
  • Range: 12W
  • Section: 22
  • Location Description: 98steps W of T-pole & 4 steps N of T-pole, Catlin Township
  • State: Illinois
  • County: IL183—Vermilion
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL183—Vermilion County, Illinois
  • 7.5 Minute USGS Quad: 40087-A6—Danville SW, Illinois

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Record Orgin: PedonPC
  • Pedon #: 130
  • Correlated Information:
  • Soil Name - Keomah
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Keomah
  • Classificaton Date - 12/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: till
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1984 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    2

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    173

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak fine granular structure; friable; fragments; slightly acid, pH 6.1; abrupt smooth boundary. Lab sample # IL31394
    E—20 to 30 centimeters (7.9 to 11.8 inches); grayish brown (10YR 5/2) silt loam; 1 percent yellowish brown (10YR 5/6) fine distinct and 10 percent pale brown (10YR 6/3) fine faint mottles; moderate very fine subangular blocky structure; friable; 10 percent fine spherical iron-manganese concretions; fragments; strongly acid, pH 5.5; abrupt smooth boundary. Lab sample # IL31395
    BE—30 to 41 centimeters (11.8 to 16.1 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine faint and 10 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate very fine subangular blocky structure; friable; 50 percent distinct light brownish gray (10YR 6/2), moist, silica coats on all faces of peds; 10 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.9; clear smooth boundary. Lab sample # IL31396
    Bt1—41 to 56 centimeters (16.1 to 22.0 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine faint and 25 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate fine subangular blocky structure; firm; 50 percent distinct light brownish gray (10YR 6/2), moist, clay films on all faces of peds; 25 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL31397
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine faint and 25 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate medium subangular blocky structure; firm; 50 percent distinct light brownish gray (10YR 6/2), moist, clay films on all faces of peds; 25 percent fine spherical iron-manganese concretions; fragments; strongly acid, pH 5.5; gradual smooth boundary. Lab sample # IL31398
    Bt3—81 to 104 centimeters (31.9 to 40.9 inches); light brownish gray (10YR 6/2) silty clay loam; 10 percent yellowish brown (10YR 5/4) fine distinct and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium subangular blocky structure; firm; 10 percent distinct dark gray (10YR 4/1), moist, organic stains on all faces of peds and 25 percent distinct light brownish gray (10YR 6/2), moist, clay films on all faces of peds; 25 percent fine spherical iron-manganese concretions; fragments; slightly acid, pH 6.4; gradual smooth boundary. Lab sample # IL31399
    BC—104 to 130 centimeters (40.9 to 51.2 inches); light brownish gray (10YR 6/2) silty clay loam; 10 percent yellowish brown (10YR 5/4) fine distinct and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse subangular blocky structure; friable; 25 percent distinct dark gray (10YR 4/1), moist, organic stains on all faces of peds; 10 percent fine spherical iron-manganese concretions; fragments; slightly alkaline, pH 7.5; gradual smooth boundary. Lab sample # IL31400
    C—130 to 236 centimeters (51.2 to 92.9 inches); yellowish brown (10YR 5/4) silt loam; 10 percent light brownish gray (10YR 6/2) medium distinct and 25 percent yellowish brown (10YR 5/6) medium distinct mottles; massive; friable; 10 percent distinct dark gray (10YR 4/1), moist, and very dark gray (10YR 3/1), moist, organic stains on surfaces along pores; 10 percent fine spherical iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.3. Lab sample # IL31401, IL31402, IL31403. Horizon split for sampling: IL31401 130 to 236 cm, IL31402 130 to 236 cm, IL31403 130 to 236 cm.