IDENTIFIERS

  • Current Taxon Name (Soil Name): Iva
  • OSD
  • Series Extent
  • User Site ID: 1929IL163001
  • User Pedon ID: 1929IL163001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 29IL163001
  • NCSS Pedon Lab Data NASIS Record ID - 20375
  • Print Date: 3/13/2025

    • 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: 38.3792865
  • Std. Longitude: -89.9877856
  • Datum: WGS84
  • Township: 2S
  • Range: 8W
  • Section: 9
  • Location Description: 38 rods S of rd. which junctions Rt.159, on road near oak timber
  • 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

    • PEDON

  • Describers Name: JBF
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Endoaqualfs
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Iva
  • PSC - 53 to 103 cm.
  • Classificaton Date - 2/22/2010
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Weir
  • Classificaton Date - 9/1/1929
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1929 (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 -
    • 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

    1.5

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    —

    —

    —

    45

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2) silt loam; weak fine granular structure; friable; 25 percent iron-manganese concretions between peds; fragments; clear smooth boundary. Lab sample # IL13637
    A21—15 to 30 centimeters (5.9 to 11.8 inches); grayish brown (10YR 5/2) silt loam; 1 percent dark yellowish brown (10YR 4/4) fine faint mottles; weak medium platy structure; friable; 3.0 fine pores; 25 percent iron-manganese concretions between peds; fragments; clear smooth boundary. Lab sample # IL13638
    A22—30 to 46 centimeters (11.8 to 18.1 inches); grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) silt loam; 1 percent dark yellowish brown (10YR 4/4) fine faint mottles; friable; 3.0 fine pores; 25 percent iron-manganese concretions between peds; fragments; abrupt smooth boundary. Lab sample # IL13639
    A2-B2—46 to 53 centimeters (18.1 to 20.9 inches); grayish brown (2.5Y 5/2) silty clay loam; moderate medium angular blocky, and moderate medium subangular blocky structure; firm; light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; abrupt smooth boundary. Lab sample # IL13640. discontinuous - phpvsfiid 429712; discontinuous - phpvsfiid 429712
    B21—53 to 76 centimeters (20.9 to 29.9 inches); light olive brown (2.5Y 5/3) silty clay loam; 10 percent strong brown (7.5YR 5/8) medium prominent mottles; moderate medium prismatic parts to moderate medium angular blocky structure; firm; 6.0 pores; grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # IL13641. discontinuous - phpvsfiid 429711; discontinuous - phpvsfiid 429711
    B22—76 to 104 centimeters (29.9 to 40.9 inches); light olive brown (2.5Y 5/3) silty clay loam; 25 percent brown (7.5YR 4/4) medium prominent and 25 percent strong brown (7.5YR 5/8) medium prominent mottles; moderate medium angular blocky structure; firm; 0.6 pores; grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # IL13642. continuous - phpvsfiid 429710; continuous - phpvsfiid 429710
    B3—104 to 127 centimeters (40.9 to 50.0 inches); light brownish gray (2.5Y 6/2) silt loam; 18 percent yellowish brown (10YR 5/8) medium prominent mottles; weak coarse angular blocky, and moderate coarse angular blocky structure; firm; grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # IL13643. discontinuous - phpvsfiid 429713; discontinuous - phpvsfiid 429713
    C1—127 to 173 centimeters (50.0 to 68.1 inches); light brownish gray (2.5Y 6/2) silt loam; 25 percent yellowish brown (10YR 5/8) medium prominent mottles; friable; fragments; clear smooth boundary. Lab sample # IL13644, IL13645. Horizon split for sampling: IL13644 127 to 150 cm, IL13645 150 to 173 cm.
    IIC11—173 to 191 centimeters (68.1 to 75.2 inches); pinkish gray (7.5YR 6/2) silt loam; 25 percent dark brown (7.5YR 3/4) medium prominent mottles; massive; friable; fragments; gradual smooth boundary. Lab sample # IL13646
    IIC12—190 to 208 centimeters (74.8 to 81.9 inches); pinkish gray (7.5YR 6/2) silt loam; 25 percent dark brown (7.5YR 3/4) medium prominent mottles; massive; friable; fragments; clear smooth boundary. Lab sample # IL13647
    IIC2—208 to 241 centimeters (81.9 to 94.9 inches); yellowish brown (10YR 5/4) silt loam; 25 percent yellowish brown (10YR 5/8) medium distinct mottles; friable; fragments.