IDENTIFIERS

  • Current Taxon Name (Soil Name): Ava
  • OSD
  • Series Extent
  • User Site ID: 1986IL199006
  • User Pedon ID: 1986IL199006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 86IL199006
  • NCSS Pedon Lab Data NASIS Record ID - 22036
  • Print Date: 4/26/2025

    • LOCATION

  • Township: 9S
  • Range: 4E
  • Section: 6
  • PLSS Details: S 1/2, W 1/4
  • State: Illinois
  • County: IL199—Williamson
  • Non-MLRA Soil Survey Area: IL199—Williamson County, Illinois

    • PEDON

  • Describers Name: R. G. Darmody, J. S. Steiner
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Ava
  • PSC - 25 to 75 cm.
  • Classificaton Date - 6/5/2009
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Ava
  • Classificaton Date - 6/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess and/or Illinoian till
  • Landscape: till plain
  • Landform: drainageway
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: convex
  • Runoff: high
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1986 (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 -
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    —

    125 - 205

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    0—25

    25—186

    125—205

    —-

    —-

    —-
    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

    9

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

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    Ap—0 to 11 centimeters (0.0 to 4.3 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silt loam; weak medium granular structure; friable; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL33382
    BE—11 to 25 centimeters (4.3 to 9.8 inches); strong brown (7.5YR 5/6) silt loam; weak medium subangular blocky structure; friable; 10 percent distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL33383
    Bt1—25 to 51 centimeters (9.8 to 20.1 inches); dark yellowish brown (10YR 4/4) silty clay loam; 1 percent pale brown (10YR 6/3) fine prominent and 25 percent 2.5Y 4/8 (2.5Y 4/8) fine prominent mottles; weak medium subangular blocky structure; friable; 25 percent faint brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL33384
    Bt2—51 to 65 centimeters (20.1 to 25.6 inches); yellowish brown (10YR 5/4) silt loam; 25 percent strong brown (7.5YR 5/6) coarse faint and 25 percent light brownish gray (10YR 6/2) coarse prominent mottles; weak medium subangular blocky structure; friable; 10 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 10 percent faint yellowish brown (10YR 5/6), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL33385
    Bt3—65 to 100 centimeters (25.6 to 39.4 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent strong brown (7.5YR 4/6) fine prominent and 25 percent light brownish gray (10YR 6/2) coarse prominent mottles; moderate medium subangular blocky structure; firm; 50 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 50 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL33386
    Bt4—100 to 125 centimeters (39.4 to 49.2 inches); dark yellowish brown (10YR 4/4) silty clay loam; 1 percent 2.5Y 3/6 (2.5Y 3/6) fine faint and 10 percent strong brown (7.5YR 4/6) fine distinct and 25 percent light brownish gray (10YR 6/2) medium distinct mottles; moderate medium subangular blocky structure; firm; 25 percent distinct brown (7.5YR 4/4), moist, clay films on all faces of peds and 50 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL33387
    2Btx—125 to 186 centimeters (49.2 to 73.2 inches); dark yellowish brown (10YR 4/6) loam; 1 percent strong brown (7.5YR 4/6) fine faint and 10 percent light brownish gray (10YR 6/2) medium distinct mottles; weak coarse prismatic structure; friable; brittle; 10 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 25 percent faint brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL33388
    2Bx—186 to 205 centimeters (73.2 to 80.7 inches); dark yellowish brown (10YR 4/6) loam; 1 percent strong brown (7.5YR 4/6) fine faint and 10 percent light brownish gray (10YR 6/2) medium distinct mottles; weak coarse prismatic structure; firm; brittle; 25 percent faint dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.8. Lab sample # IL33389