IDENTIFIERS

  • Current Taxon Name (Soil Name): Blair
  • OSD
  • Series Extent
  • User Site ID: 1983IL121031
  • User Pedon ID: 1983IL121031
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 83IL121031
  • NCSS Pedon Lab Data NASIS Record ID - 21684
  • Print Date: 12/17/2024
  • 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: 38.8046139
  • Std. Longitude: -88.9488639
  • Datum: WGS84
  • Township: 4N
  • Range: 2E
  • Section: 11
  • PLSS Details: 1600 feet S & 2540 feet E of NW corner
  • State: Illinois
  • County: IL121—Marion
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL121—Marion County, Illinois
  • 7.5 Minute USGS Quad: 38088-G8—Saint Paul, Illinois
  • PEDON

  • Describers Name: CCM, DBG
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aquic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Record Orgin: PedonPC
  • Pedon #: 31
  • Correlated Information:
  • Soil Name - Blair
  • PSC - 33 to 83 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Atlas
  • Classificaton Date - 11/1/1983
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: till
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1983 (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

    7

    171

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; 1 percent olive brown (2.5Y 4/4) fine prominent mottles; weak fine granular structure; friable; 6.0 very fine roots; fragments; neutral, pH 6.6; abrupt smooth boundary. Lab sample # IL30146
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); brown (10YR 5/3) silty clay loam; 10 percent dark yellowish brown (10YR 4/6) medium distinct mottles; weak thin platy, and weak fine angular blocky structure; friable; 3.0 very fine roots; 10 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.8; clear smooth boundary. Lab sample # IL30147
    Bt2—33 to 48 centimeters (13.0 to 18.9 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium prismatic structure; friable; 3.0 fine roots; 25 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.8; clear smooth boundary. Lab sample # IL30148
    Bt3—48 to 69 centimeters (18.9 to 27.2 inches); gray (10YR 5/1) silty clay loam; 25 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium prismatic structure; firm; 3.0 fine roots; 50 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 10 percent medium iron-manganese concretions; fragments; strongly acid, pH 5.2; clear smooth boundary. Lab sample # IL30149
    Bt4—69 to 86 centimeters (27.2 to 33.9 inches); gray (10YR 6/1) silty clay loam; 10 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic structure; firm; 3.0 fine roots; 25 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # IL30150
    Bt5—86 to 104 centimeters (33.9 to 40.9 inches); gray (10YR 6/1) silty clay loam; 10 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium prismatic structure; very firm; 3.0 fine roots; 25 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # IL30151
    Bt6—104 to 117 centimeters (40.9 to 46.1 inches); gray (10YR 6/1) silty clay loam; 25 percent strong brown (7.5YR 4/6) coarse prominent mottles; very firm; 10 percent distinct gray (10YR 5/1), moist, clay films on surfaces along pores; 10 percent by volume mixed fragments; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL30152
    Bt7—117 to 140 centimeters (46.1 to 55.1 inches); gray (10YR 6/1) silty clay loam; 10 percent dark yellowish brown (10YR 4/6) medium distinct mottles; firm; 25 percent distinct gray (10YR 5/1), moist, clay films on surfaces along pores; 1 percent fine carbonate concretions; 10 percent by volume mixed fragments; slight effervescence; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # IL30153
    BC—140 to 173 centimeters (55.1 to 68.1 inches); dark yellowish brown (10YR 4/6) clay loam; 1 percent gray (10YR 5/1) medium prominent mottles; firm; 10 percent distinct dark gray (10YR 4/1), moist, clay films on surfaces along pores; 1 percent medium iron-manganese concretions; 1 percent medium carbonate concretions; 1 percent by volume mixed fragments; slight effervescence; slightly alkaline, pH 7.4.