IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1989IL189012
  • User Pedon ID: 1989IL189012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 89IL189012
  • NCSS Pedon Lab Data NASIS Record ID - 22197
  • 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: 38.2388694
  • Std. Longitude: -89.6652028
  • Datum: WGS84
  • Township: 3S
  • Range: 5W
  • Section: 28
  • PLSS Details: 1780 feet north and 310 feet east of the southwest corner
  • State: Illinois
  • County: IL189—Washington
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL189—Washington County, Illinois

    • PEDON

  • Describers Name: K.D.B. & W.M.M.
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 30 to 80 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 1/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess and/or Roxana loess and/or Ilinoian till
  • Landscape: upland
  • Landform: till plain
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1989 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    0—18

    18—30

    30—104

    —-

    —-

    —-
    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

    —

    —

    140.2

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; mottles; moderate fine granular structure; friable; 1 percent fine distinct iron-manganese concretions in matrix; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL34589
    E—18 to 30 centimeters (7.1 to 11.8 inches); grayish brown (10YR 5/2) silty clay loam; moderate medium platy structure; friable; 1 percent fine prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL34590
    Bt1—30 to 48 centimeters (11.8 to 18.9 inches); brown (10YR 5/3) silty clay; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL34591. discontinuous - phpvsfiid 427910; discontinuous - phpvsfiid 427910
    Bt2—48 to 64 centimeters (18.9 to 25.2 inches); brown (10YR 5/3) silty clay; 1 percent strong brown (7.5YR 4/6) fine prominent and 10 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL34592. continuous - phpvsfiid 427911; continuous - phpvsfiid 427911
    Bt3—64 to 84 centimeters (25.2 to 33.1 inches); brown (10YR 5/3) silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct and 10 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34593. continuous - phpvsfiid 427912; continuous - phpvsfiid 427912
    Btg—84 to 104 centimeters (33.1 to 40.9 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34594. discontinuous - phpvsfiid 427913; discontinuous - phpvsfiid 427913
    BCg—104 to 124 centimeters (40.9 to 48.8 inches); light brownish gray (2.5Y 6/2) silt loam; yellowish brown (10YR 5/6) fine prominent and 1 percent strong brown (7.5YR 4/6) fine prominent mottles; weak coarse prismatic structure; friable; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.0, lamotte-morgan; gradual smooth boundary. Lab sample # IL34595. patchy - phpvsfiid 427914; patchy - phpvsfiid 427914
    Cg—124 to 152 centimeters (48.8 to 59.8 inches); light brownish gray (2.5Y 6/2) silt loam; 1 percent yellowish brown (10YR 5/6) fine prominent mottles; structureless massive; friable; 1 percent fine prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.0, lamotte-morgan. Lab sample # IL34596