IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1989IL027187
  • User Pedon ID: 1989IL027187
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 89IL027187
  • NCSS Pedon Lab Data NASIS Record ID - 22168
  • 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: 38.7373667
  • Std. Longitude: -89.4271556
  • Datum: WGS84
  • Township: 3N
  • Range: 3W
  • Section: 3
  • PLSS Details: 1268 feet south and 172 feet east of northwest corner
  • Location Description: 52FT N & 172FT E of SW corner of N1/2 of NW1/4 of Sec.3, Wheatfield Township
  • State: Illinois
  • County: IL027—Clinton
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL027—Clinton County, Illinois
  • PEDON

  • Describers Name: N. E. S.
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Pedon Record Orgin: PedonPC
  • Pedon #: 187
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 36 to 86 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 8/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 8/1/1989 (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 Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

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

    ochric epipedon

    argillic horizon

    0—28

    36—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

    2.5

    145.7

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium granular parts to weak coarse granular structure; friable; fragments; moderately acid, pH 6.0, lamotte-morgan; clear smooth boundary. Lab sample # IL34394
    A—20 to 28 centimeters (7.9 to 11.0 inches); dark grayish brown (10YR 4/2) silt loam; moderate medium angular blocky structure; friable; fragments; moderately acid, pH 6.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL34395
    BE—28 to 36 centimeters (11.0 to 14.2 inches); grayish brown (10YR 5/2) silt loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium subangular blocky structure; friable; faint brown (10YR 4/3), moist, clay films on all faces of peds; 10 percent medium prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.7, lamotte-morgan; clear smooth boundary. Lab sample # IL34396. discontinuous - phpvsfiid 427886; discontinuous - phpvsfiid 427886
    Bt—36 to 66 centimeters (14.2 to 26.0 inches); brown (10YR 5/3) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic structure; firm; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; slightly acid, pH 6.4, lamotte-morgan; clear smooth boundary. Lab sample # IL34397. continuous - phpvsfiid 427887; continuous - phpvsfiid 427887
    Btg1—66 to 79 centimeters (26.0 to 31.1 inches); weak red (2.5YR 5/2) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium prismatic structure; friable; faint brown (10YR 5/3), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; slightly alkaline, pH 7.4, lamotte-morgan; clear smooth boundary. Lab sample # IL34398. patchy - phpvsfiid 427882; patchy - phpvsfiid 427882
    Btg2—79 to 99 centimeters (31.1 to 39.0 inches); weak red (2.5YR 5/2) silty clay loam; 25 percent strong brown (7.5YR 5/6) medium prominent mottles; strong medium prismatic structure; firm; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.2, lamotte-morgan; gradual smooth boundary. Lab sample # IL34399. discontinuous - phpvsfiid 427883; discontinuous - phpvsfiid 427883
    Btg3—99 to 117 centimeters (39.0 to 46.1 inches); gray (10YR 6/1) loam; 25 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium platy structure; friable; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent fine prominent iron-manganese masses in matrix; fragments; moderately alkaline, pH 8.2, lamotte-morgan; clear smooth boundary. Lab sample # IL34400. patchy - phpvsfiid 427884; patchy - phpvsfiid 427884
    2BCg—117 to 147 centimeters (46.1 to 57.9 inches); brown (7.5YR 5/2) clay loam; 25 percent strong brown (7.5YR 5/6) medium distinct mottles; weak medium prismatic structure; very firm; faint brown (7.5YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; moderately alkaline, pH 8.2, lamotte-morgan; gradual smooth boundary. Lab sample # IL34401. patchy - phpvsfiid 427885; patchy - phpvsfiid 427885
    2Cg—147 to 178 centimeters (57.9 to 70.1 inches); weak red (7.5R 5/2) loam; 25 percent strong brown (7.5YR 5/6) medium distinct mottles; very firm; 2 percent by volume mixed fragments; moderately alkaline, pH 8.2, lamotte-morgan.