IDENTIFIERS

  • Current Taxon Name (Soil Name): Keomah
  • OSD
  • Series Extent
  • User Site ID: 1984IL183142
  • User Pedon ID: 1984IL183142
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 84IL183142
  • NCSS Pedon Lab Data NASIS Record ID - 21786
  • Print Date: 5/20/2024

    • 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: 40.1399111
  • Std. Longitude: -87.5733417
  • Datum: WGS84
  • Township: 19N
  • Range: 11W
  • Section: 2
  • PLSS Details: 2540 feet W & 2600 feet S of NE corner
  • Location Description: Danville 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-B5—Danville NE, Illinois

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 142
  • Correlated Information:
  • Soil Name - Keomah
  • 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: loess
  • Landscape: till plain
  • Landform: flat
  • Geomorphic Component Flats: talf
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1984 (actual site observation date)
  • 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
    • 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

    —

    —

    192

    —

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); variegated 70 percent dark grayish brown (10YR 4/2) and 30 percent light brownish gray (10YR 6/2), light brownish gray (10YR 6/2) and light gray (10YR 7/1), dry; silt loam; weak fine granular structure; friable; fragments; strongly acid, pH 5.5; abrupt smooth boundary. Lab sample # IL31411
    E—20 to 28 centimeters (7.9 to 11.0 inches); light brownish gray (10YR 6/2), light gray (10YR 7/1), dry; silt loam; 1 percent brown (10YR 5/3) fine distinct and 1 percent yellowish brown (10YR 5/6) fine distinct mottles; weak medium platy, and weak very fine subangular blocky structure; friable; 1 percent fine spherical iron-manganese concretions; fragments; strongly acid, pH 5.4; clear smooth boundary. Lab sample # IL31412
    BE—28 to 36 centimeters (11.0 to 14.2 inches); yellowish brown (10YR 5/4) silt loam; 10 percent yellowish brown (10YR 5/6) fine distinct and 25 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 4.6; clear smooth boundary. Lab sample # IL31413
    Bt1—36 to 56 centimeters (14.2 to 22.0 inches); yellowish brown (10YR 5/4) silty clay loam; 25 percent light brownish gray (10YR 6/2) fine distinct and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; firm; 50 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent fine spherical iron-manganese concretions; fragments; strongly acid, pH 5.1; gradual smooth boundary. Lab sample # IL31414
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); yellowish brown (10YR 5/4) silty clay loam; 25 percent grayish brown (10YR 5/2) fine distinct and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium subangular blocky structure; firm; 10 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and 25 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent fine spherical iron-manganese concretions; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # IL31415
    BC—81 to 107 centimeters (31.9 to 42.1 inches); light olive brown (2.5Y 5/4) silt loam; 25 percent grayish brown (10YR 5/2) fine distinct and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse subangular blocky structure; friable; 10 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; slightly alkaline, pH 7.5; gradual smooth boundary. Lab sample # IL31416
    C—107 to 203 centimeters (42.1 to 79.9 inches); light yellowish brown (2.5Y 6/4) silt loam; 25 percent light brownish gray (2.5Y 6/2) fine distinct and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; friable; 10 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on surfaces along pores; 1 percent medium spherical carbonate concretions; fragments; slight effervescence; moderately alkaline, pH 8.4. Lab sample # IL31417, IL31418. Horizon split for sampling: IL31417 107 to 203 cm, IL31418 107 to 203 cm.