IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1980IL157106
  • User Pedon ID: 1980IL157106
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL157106
  • NCSS Pedon Lab Data NASIS Record ID - 21208
  • Print Date: 12/11/2024

    • 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: 38.2033115
  • Std. Longitude: -89.8447197
  • Datum: WGS84
  • Township: 4S
  • Range: 7W
  • Section: 11
  • PLSS Details: 550 feet W & 1450 feet N of center
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 38089-B7—Baldwin, Illinois

    • PEDON

  • Describers Name: DF, GH
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 106
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 13 to 63 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 8/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess
  • Landscape: till plain
  • Landform: hillslope
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1980 (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

    natric

    —

    48 - 163

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

    ochric epipedon

    argillic horizon

    natric horizon

    0—13

    13—66

    48—163

    —-

    —-

    —-
    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

    3

    —

    —

    137

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), brown (10YR 5/3), dry; moderate medium granular structure; friable; 0.6 roots between peds; fragments; slightly acid, pH 6.4, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27620; observed in push tube
    B21t—13 to 30 centimeters (5.1 to 11.8 inches); brown (10YR 4/3) silty clay loam; 1 percent light brownish gray (10YR 6/2) medium faint mottles; weak coarse subangular blocky structure; firm; 0.6 roots between peds; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.5, lamotte-morgan; clear smooth boundary. Lab sample # IL27621; observed in push tube
    B22t—30 to 48 centimeters (11.8 to 18.9 inches); grayish brown (10YR 5/2) silty clay loam; 1 percent light brownish gray (10YR 6/2) fine faint and 10 percent strong brown (7.5YR 5/6) medium distinct and 10 percent yellowish brown (10YR 5/4) fine faint mottles; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 0.6 roots between peds; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27622; observed in push tube
    B23t—48 to 66 centimeters (18.9 to 26.0 inches); grayish brown (10YR 5/2) silty clay loam; 1 percent light brownish gray (10YR 6/2) medium faint and 1 percent yellowish brown (10YR 5/6) medium faint mottles; moderate medium prismatic structure; firm; 0.6 roots between peds; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 25 percent prominent red (2.5YR 4/6), moist, iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.4, lamotte-morgan; clear smooth boundary. Lab sample # IL27623; observed in push tube
    B3—66 to 94 centimeters (26.0 to 37.0 inches); grayish brown (10YR 5/2) silt loam; 1 percent weak red (7.5R 5/4) fine distinct and 10 percent strong brown (7.5YR 5/8) medium distinct mottles; weak medium platy structure; firm; 0.6 roots between peds; prominent yellowish red (5YR 4/6), moist, iron-manganese concretions in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, lamotte-morgan; gradual smooth boundary. Lab sample # IL27624; observed in push tube
    C1—94 to 132 centimeters (37.0 to 52.0 inches); grayish brown (10YR 5/2) silt loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; structureless massive; firm; prominent yellowish red (5YR 4/6), moist, iron-manganese concretions in matrix; fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27625; observed in push tube
    C2—132 to 163 centimeters (52.0 to 64.2 inches); grayish brown (10YR 5/2) silt loam; 1 percent strong brown (7.5YR 5/6) fine distinct and 25 percent red (2.5YR 4/6) medium prominent mottles; weak medium platy, and structureless massive; friable; fragments; slightly alkaline, pH 7.8, lamotte-morgan. Lab sample # IL27626; observed in push tube