IDENTIFIERS

  • Current Taxon Name (Soil Name): Bunkum
  • OSD
  • Series Extent
  • User Site ID: 1993IL163015
  • User Pedon ID: S1993IL163015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 94P0273
  • NCSS Pedon Lab Data NASIS Record ID - 66451
  • Print Date: 11/26/2024
  • 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: 38.4117203
  • Std. Longitude: -90.0048141
  • Datum: WGS84
  • Township: 1S
  • Range: 8W
  • Section: 29
  • PLSS Details: Southeast 160 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 Aquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Bunkum
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Blair
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Endoaqualf
  • Taxon Kind - series
  • Classificaton Date - 10/4/1993
  • Moisture Class - aquic
  • 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

    6

    149

    45

    Ap—0 to 17 centimeters (0.0 to 6.7 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 24 percent clay; moderate medium granular structure; friable; 4.0 fine and medium roots throughout; 5.1 fine and medium high-continuity tubular pores; 2 percent fine spherical iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 94P01720
    Btg1—17 to 38 centimeters (6.7 to 15.0 inches); grayish brown (10YR 5/2) silty clay loam; 29 percent clay; 15 percent strong brown (7.5YR 4/6) fine prominent and 21 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 21.0 very fine and fine roots throughout; 5.1 fine and medium high-continuity tubular pores; 21 percent distinct dark grayish brown (10YR 4/2) clay films on faces of peds; 2 percent fine spherical iron-manganese concretions and 5 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # 94P01721
    Btg2—38 to 57 centimeters (15.0 to 22.4 inches); grayish brown (10YR 5/2) silty clay loam; 27 percent clay; 15 percent strong brown (7.5YR 5/6) fine and medium prominent and 25 percent yellowish brown (10YR 5/8) fine and medium distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 3.0 very fine roots between peds; 4.7 very fine and fine moderate-continuity tubular pores; 10 percent distinct dark gray (10YR 4/1) clay films in root channels and/or pores; 6 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # 94P01722
    Btg3—57 to 73 centimeters (22.4 to 28.7 inches); grayish brown (10YR 5/2) silt loam; 25 percent clay; 21 percent yellowish brown (10YR 5/8) fine and medium distinct and 25 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 0.5 very fine roots between peds; 4.5 very fine moderate-continuity tubular pores; 10 percent distinct dark gray (10YR 4/1) clay films in root channels and/or pores; 7 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # 94P01723
    Btg4—73 to 92 centimeters (28.7 to 36.2 inches); dark grayish brown (10YR 4/2) silt loam; 24 percent clay; 10 percent yellowish brown (10YR 5/8) fine and medium prominent and 25 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; weak medium prismatic parts to weak medium subangular blocky structure; friable; 0.5 very fine roots between peds; 4.4 very fine low-continuity tubular pores; 10 percent distinct dark gray (10YR 4/1) clay films in root channels and/or pores; 7 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 5.9, hellige-truog; abrupt smooth boundary. Lab sample # 94P01724
    2Bt1—92 to 118 centimeters (36.2 to 46.5 inches); brown (10YR 4/3) silt loam; 8 percent sand; 23 percent clay; 15 percent strong brown (7.5YR 5/6) fine and medium prominent and 40 percent dark grayish brown (10YR 4/2) medium distinct mottles; moderate medium prismatic parts to moderate thick platy structure; friable; 0.5 very fine roots between peds; 4.2 very fine low-continuity tubular pores; 10 percent distinct brown (10YR 4/3) clay films in root channels and/or pores; 7 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 94P01725
    2Bt2—118 to 143 centimeters (46.5 to 56.3 inches); 55 percent brown (10YR 4/3) and 45 percent dark grayish brown (10YR 4/2) silt loam; 26 percent clay; 10 percent strong brown (7.5YR 5/6) medium prominent mottles; weak coarse prismatic structure; friable; 4.0 very fine low-continuity vesicular pores; 5 percent distinct brown (10YR 4/3) clay films in root channels and/or pores; 3 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 94P01726
    2Bt3—143 to 176 centimeters (56.3 to 69.3 inches); 55 percent brown (10YR 4/3) and 45 percent dark grayish brown (10YR 4/2) silty clay loam; 28 percent clay; 30 percent strong brown (7.5YR 5/6) medium prominent mottles; weak coarse prismatic structure; friable; 4.0 very fine low-continuity vesicular pores; 10 percent distinct dark gray (10YR 4/1) clay films in root channels and/or pores; 5 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 94P01727
    3Btb1—176 to 194 centimeters (69.3 to 76.4 inches); 55 percent dark yellowish brown (10YR 4/6) and 45 percent grayish brown (10YR 5/2) silty clay loam; 10 percent sand; 29 percent clay; 10 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 3.8 very fine low-continuity vesicular pores; 5 percent prominent white (10YR 8/1) silt coats in root channels and/or pores and 10 percent distinct gray (10YR 5/1) clay films in root channels and/or pores; 3 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 94P01728
    3Btb2—194 to 214 centimeters (76.4 to 84.3 inches); yellowish brown (10YR 5/6) silty clay loam; 10 percent sand; 30 percent clay; 5 percent grayish brown (10YR 5/2) medium distinct and 15 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 3.8 very fine low-continuity vesicular pores; 3 percent prominent white (10YR 8/1) silt coats in root channels and/or pores and 21 percent distinct brown (10YR 4/3) clay films on faces of peds; 4 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # 94P01729
    3Btb3—214 to 245 centimeters (84.3 to 96.5 inches); yellowish brown (10YR 5/6) silty clay loam; 15 percent sand; 35 percent clay; 10 percent strong brown (7.5YR 5/6) medium distinct and 10 percent grayish brown (10YR 5/2) medium distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 3.5 very fine low-continuity vesicular pores; 2 percent prominent white (10YR 8/1) silt coats in root channels and/or pores and 30 percent distinct dark grayish brown (10YR 4/2) clay films on faces of peds; 4 percent fine and medium irregular iron-manganese masses; 1 percent by volume subangular 2-39-75 millimeter mixed fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # 94P01730