IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1980IL157092
  • User Pedon ID: 1980IL157092
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL157092
  • NCSS Pedon Lab Data NASIS Record ID - 21203
  • 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: 38.1935365
  • Std. Longitude: -89.9811241
  • Datum: WGS84
  • Township: 4S
  • Range: 8W
  • Section: 16
  • PLSS Details: 20 feet S & 132 feet W of the NE corner
  • 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-B8—Red Bud, Illinois

    • PEDON

  • Describers Name: DF, CCM
  • 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 #: 92
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 28 to 78 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 5/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess over Illinoian till with strongly developed Sangamon age paleosol
  • Landscape: till plain
  • Landform: drainageway, divide
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1980 (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 -
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    natric

    —

    23 - 173

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

    ochric epipedon

    natric horizon

    argillic horizon

    0—28

    23—173

    28—117

    —-

    —-

    —-
    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

    1

    —

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak medium angular blocky, and weak coarse platy, and structureless massive; friable; 3.0 roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27580; observed in push tube
    A2—23 to 28 centimeters (9.1 to 11.0 inches); grayish brown (10YR 5/2) and dark grayish brown (10YR 4/2) silt loam; weak coarse platy, and structureless massive; friable; 3.0 roots between peds; distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; slightly alkaline, pH 7.6, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27581; observed in push tube. patchy - phpvsfiid 480596; patchy - phpvsfiid 480596
    B21t—28 to 48 centimeters (11.0 to 18.9 inches); brown (10YR 4/3) silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 10 percent yellowish brown (10YR 5/4) fine faint mottles; moderate medium prismatic parts to moderate medium angular blocky structure; firm; 3.0 roots between peds; faint dark grayish brown (10YR 4/2), moist, and brown (10YR 4/3), moist, clay films on all faces of peds and prominent light gray (10YR 7/2), moist, silt coats on top faces of peds; fragments; neutral, pH 6.6, lamotte-morgan; clear smooth boundary. Lab sample # IL27582; observed in push tube. continuous - phpvsfiid 480598; continuous - phpvsfiid 480598
    B22t—48 to 58 centimeters (18.9 to 22.8 inches); variegated brown (10YR 5/3) and grayish brown (10YR 5/2) silty clay; 1 percent strong brown (7.5YR 5/6) fine distinct mottles; weak medium prismatic parts to weak medium angular blocky structure; very firm; 0.6 roots between peds; distinct brown (10YR 4/3), moist, and grayish brown (10YR 5/2), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.4, lamotte-morgan; clear smooth boundary. Lab sample # IL27583; observed in push tube. continuous - phpvsfiid 480600; continuous - phpvsfiid 480600
    B23t—58 to 89 centimeters (22.8 to 35.0 inches); grayish brown (10YR 5/2) silty clay; 1 percent strong brown (7.5YR 5/6) fine distinct mottles; moderate medium prismatic parts to weak medium angular blocky structure; firm; 0.6 roots between peds; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent prominent iron-manganese masses in matrix; fragments; slightly alkaline, pH 7.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27584; observed in push tube. continuous - phpvsfiid 480595; continuous - phpvsfiid 480595
    B24t—89 to 117 centimeters (35.0 to 46.1 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium distinct and 10 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium prismatic parts to weak medium angular blocky structure; firm; 0.1 roots between peds; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 25 percent coarse prominent iron-manganese masses in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, lamotte-morgan; gradual smooth boundary. Lab sample # IL27585; observed in push tube. continuous - phpvsfiid 480597; continuous - phpvsfiid 480597
    B3—117 to 152 centimeters (46.1 to 59.8 inches); light brownish gray (10YR 6/2) silty clay loam; 1 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium angular blocky structure; friable; 0.1 roots between peds; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent prominent iron-manganese masses in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, lamotte-morgan; gradual smooth boundary. Lab sample # IL27586; observed in push tube. patchy - phpvsfiid 480601; patchy - phpvsfiid 480601
    C1—152 to 173 centimeters (59.8 to 68.1 inches); pale brown (10YR 6/3) silt loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; structureless massive; friable; 1 percent prominent iron-manganese masses in matrix; fragments; slightly alkaline, pH 7.8, lamotte-morgan.; observed in push tube