IDENTIFIERS

  • Current Taxon Name (Soil Name): COULTERVILLE
  • OSD
  • Series Extent
  • User Site ID: S1990IL189051
  • User Pedon ID: S1990IL189051
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0306
  • NCSS Pedon Lab Data NASIS Record ID - 63353
  • Print Date: 12/4/2024
  • 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: 38.3819427
  • Std. Longitude: -89.4402771
  • Datum: WGS84
  • Township: 2S
  • Range: 3W
  • Section: 4
  • PLSS Details: 1810 feet E and 1780 feet N of the SW corner
  • State: Illinois
  • County: IL189—Washington
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL189—Washington County, Illinois
  • PEDON

  • Describers Name: KDB, MRG
  • Current Taxonomic Class: Fine-silty, mixed, mesic Aeric Ochraqualfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 51
  • Correlated Information:
  • Soil Name - COULTERVILLE
  • PSC - 36 to 86 cm.
  • Classificaton Date - 12/9/2004
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Coulterville
  • Taxonomic Class - Fine-silty, mixed, mesic Aeric Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 10/4/1990
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Landform: upland slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/4/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    140

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) silt loam; 17 percent clay; moderate fine granular structure; friable; 3.0 fine roots; 10 percent iron-manganese masses; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 91P01882; moist when described;
    E—23 to 36 centimeters (9.1 to 14.2 inches); dark grayish brown (10YR 4/2) silt loam; 17 percent clay; moderate medium platy structure; friable; 3.0 fine roots; 10 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 10 percent iron-manganese masses; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 91P01883; moist when described;
    Bt1—36 to 56 centimeters (14.2 to 22.0 inches); brown (10YR 4/3) silty clay loam; 29 percent clay; 1 percent dark yellowish brown (10YR 4/6) fine distinct mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots; 75 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent iron-manganese masses; fragments; slightly acid, pH 6.4; gradual smooth boundary. Lab sample # 91P01884; moist when described;
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); brown (10YR 5/3) silty clay loam; 36 percent clay; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium subangular blocky, and moderate medium prismatic structure; firm; 0.5 fine roots; 75 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent iron-manganese masses; fragments; neutral, pH 7.2; gradual smooth boundary. Lab sample # 91P01885; moist when described;
    Btg1—81 to 99 centimeters (31.9 to 39.0 inches); grayish brown (10YR 5/2) silty clay loam; 38 percent clay; 3 percent brownish yellow (10YR 6/8) medium distinct mottles; moderate medium prismatic, and moderate medium subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and 75 percent distinct dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 10 percent iron-manganese masses; fragments; neutral, pH 7.2; gradual smooth boundary. Lab sample # 91P01886; moist when described;
    Btg2—99 to 117 centimeters (39.0 to 46.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 32 percent clay; 3 percent yellowish brown (10YR 5/6) medium prominent mottles; moderate medium prismatic, and moderate medium subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 30 percent iron-manganese masses; fragments; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # 91P01887; moist when described;
    Btg3—117 to 140 centimeters (46.1 to 55.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 32 percent clay; 3 percent yellowish brown (10YR 5/6) medium prominent mottles; weak medium prismatic structure; firm; 0.5 very fine roots; 30 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 30 percent iron-manganese masses; fragments; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # 91P01888; moist when described;
    2Btg4—140 to 152 centimeters (55.1 to 59.8 inches); light brownish gray (2.5Y 6/2) silty clay loam; 28 percent clay; 3 percent yellowish brown (10YR 5/6) medium prominent mottles; weak medium prismatic structure; friable; 0.5 very fine roots; 30 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese masses; fragments; slightly alkaline, pH 7.4. Lab sample # 91P01889; moist when described;