IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: S1993IL163014
  • User Pedon ID: S1993IL163014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 94P0272
  • NCSS Pedon Lab Data NASIS Record ID - 66450
  • 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: 38.4113884
  • Std. Longitude: -90.0041656
  • Datum: WGS84
  • Township: 1S
  • Range: 8W
  • Section: 29
  • PLSS Details: southeast 40 southwest 10
  • State: Illinois
  • County: IL163—St. Clair
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL163—St. Clair County, Illinois
  • 7.5 Minute USGS Quad: 38090-D1—Millstadt, Illinois

    • PEDON

  • Describers Name: WMM
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 14
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 21 to 71 cm.
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Grantfork Variant
  • Classificaton Date - 10/4/1993
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: ground moraine
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/4/1993 (actual site observation date)
  • Air Photo ID: 69
  • 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

    7

    —

    —

    146

    —

    45

    —

    —

    —

    —

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    Ap—0 to 21 centimeters (0.0 to 8.3 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; 27 percent clay; moderate medium granular structure; friable; 2 percent fine spherical iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 94P01710
    Btg1—21 to 37 centimeters (8.3 to 14.6 inches); grayish brown (10YR 5/2) silty clay loam; 31 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 1 percent fine spherical iron-manganese concretions and 2 percent medium irregular iron-manganese masses; fragments; neutral, pH 7.1, hellige-truog; abrupt smooth boundary. Lab sample # 94P01711
    Btg2—37 to 57 centimeters (14.6 to 22.4 inches); light brownish gray (10YR 6/2) silty clay loam; 32 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 4 percent medium irregular iron-manganese masses; fragments; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 94P01712
    Btg3—57 to 69 centimeters (22.4 to 27.2 inches); gray (10YR 5/1) silt loam; 26 percent clay; moderate medium and coarse prismatic structure; friable; 8 percent medium and coarse irregular iron-manganese masses; fragments; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 94P01713
    2Btg4—69 to 95 centimeters (27.2 to 37.4 inches); dark grayish brown (10YR 4/2) silt loam; 7 percent sand; 23 percent clay; strong thick platy parts to moderate coarse prismatic structure; friable; 6 percent medium irregular iron-manganese masses; 2 percent fine spherical barite masses; fragments; slightly alkaline, pH 7.7, hellige-truog; gradual smooth boundary. Lab sample # 94P01714
    2Btg5—95 to 122 centimeters (37.4 to 48.0 inches); dark grayish brown (10YR 4/2) silt loam; 8 percent sand; 22 percent clay; moderate coarse prismatic structure; friable; 3 percent fine and medium irregular iron-manganese masses; 3 percent fine spherical barite masses; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual smooth boundary. Lab sample # 94P01715
    2Btg6—122 to 158 centimeters (48.0 to 62.2 inches); brown (7.5YR 5/2) silt loam; 12 percent sand; 26 percent clay; weak coarse prismatic structure; firm; 1 percent fine irregular iron-manganese masses; 3 percent fine spherical barite masses; fragments; slightly alkaline, pH 7.5, hellige-truog; gradual smooth boundary. Lab sample # 94P01716
    2Btg7—158 to 198 centimeters (62.2 to 78.0 inches); brown (7.5YR 5/2) silt loam; 12 percent sand; 26 percent clay; weak coarse prismatic structure; firm; 4 percent fine irregular iron-manganese masses; 2 percent fine spherical barite masses; fragments; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 94P01717
    3Btgb1—198 to 214 centimeters (78.0 to 84.3 inches); weak red (2.5YR 5/2) silty clay loam; 18 percent sand; 35 percent clay; 10 percent strong brown (7.5YR 5/8) medium prominent and 15 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic parts to moderate medium angular blocky structure; very firm; 4.4 very fine low-continuity vesicular pores; 5 percent distinct very dark grayish brown (10YR 3/2) clay films in root channels and/or pores and 10 percent prominent black (N 2/0) manganese or iron-manganese stains on faces of peds; 5 percent fine and medium irregular iron-manganese masses; 1 percent by volume subangular 2-39-75 millimeter mixed fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 94P01718
    3Btgb2—214 to 257 centimeters (84.3 to 101.2 inches); gray (5Y 5/1) silty clay; 18 percent sand; 42 percent clay; 10 percent strong brown (7.5YR 5/8) medium prominent mottles; strong medium prismatic parts to strong medium angular blocky structure; extremely firm*; 4.5 very fine low-continuity vesicular pores; 3 percent distinct very dark grayish brown (10YR 3/2) clay films in root channels and/or pores and 10 percent prominent black (N 2/0) manganese or iron-manganese stains on faces of peds and 10 percent distinct gray (5Y 5/1) slickensides (pedogenic) on vertical faces of peds; 7 percent fine and medium irregular iron-manganese masses; 3 percent by volume subangular 2-39-75 millimeter mixed fragments; slightly alkaline, pH 7.4, hellige-truog. Lab sample # 94P01719