IDENTIFIERS

  • Current Taxon Name (Soil Name): Iva
  • OSD
  • Series Extent
  • User Site ID: 1929IL157002
  • User Pedon ID: 1929IL157002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 29IL157002
  • NCSS Pedon Lab Data NASIS Record ID - 20374
  • Print Date: 4/26/2025

    • 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: 38.0098810
  • Std. Longitude: -89.9084521
  • Datum: WGS84
  • Township: 6S
  • Range: 7W
  • Section: 17
  • PLSS Details: 2340 feet S of NW corner
  • Location Description: 300 FT N of SW corner of SW10, near old sampling site
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois

    • PEDON

  • 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 #: 2
  • Correlated Information:
  • Soil Name - Iva
  • PSC - 58 to 108 cm.
  • Classificaton Date - 2/22/2010
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Iva
  • Classificaton Date - 10/1/1929
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1929 (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

    3.5

    —

    —

    —

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) silt loam; 1 percent light brownish gray (10YR 6/2) fine faint mottles; moderate medium granular structure; friable; 6.0 fine pores; 25 percent iron-manganese concretions between peds; fragments; abrupt smooth boundary. Lab sample # IL13690
    A21—18 to 30 centimeters (7.1 to 11.8 inches); grayish brown (10YR 5/2) silt loam; 1 percent brown (10YR 4/3) fine faint mottles; moderate medium platy structure; friable; 0.6 fine pores; 25 percent iron-manganese concretions between peds; fragments; clear smooth boundary. Lab sample # IL13691
    A22—30 to 48 centimeters (11.8 to 18.9 inches); pale brown (10YR 6/3) silt loam; 1 percent yellowish brown (10YR 5/4) fine faint mottles; weak coarse platy structure; friable; 6.0 fine pores; 25 percent iron-manganese concretions between peds; fragments; clear smooth boundary. Lab sample # IL13692, IL13693. Horizon split for sampling: IL13692 30 to 38 cm, IL13693 38 to 48 cm.
    B1—48 to 58 centimeters (18.9 to 22.8 inches); pale brown (10YR 6/3) silt loam, silty clay loam; 1 percent yellowish brown (10YR 5/8) fine faint mottles; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; light gray (10YR 7/2), moist, silt coats on all faces of peds; 1 percent iron-manganese concretions between peds; fragments; gradual smooth boundary. Lab sample # IL13694. discontinuous - phpvsfiid 429707; discontinuous - phpvsfiid 429707
    B21—58 to 102 centimeters (22.8 to 40.2 inches); light yellowish brown (10YR 6/4) and yellowish brown (10YR 5/4) silty clay loam; 1 percent yellowish brown (10YR 5/8) fine faint and 1 percent grayish brown (2.5Y 5/2) fine distinct mottles; weak medium prismatic parts to strong medium angular blocky structure; firm; yellowish brown (10YR 5/8), moist, clay films on all faces of peds and grayish brown (10YR 7/2), moist, silt coats on all faces of peds; 1 percent iron-manganese concretions; fragments; gradual smooth boundary. Lab sample # IL13695, IL13696. Horizon split for sampling: IL13695 58 to 76 cm, IL13696 76 to 102 cm.; discontinuous - phpvsfiid 429708; discontinuous - phpvsfiid 429709; discontinuous - phpvsfiid 429708; discontinuous - phpvsfiid 429709
    B22—102 to 130 centimeters (40.2 to 51.2 inches); grayish brown (2.5Y 5/2) silty clay loam; 25 percent yellowish brown (10YR 5/8) coarse prominent mottles; moderate medium angular blocky, and moderate coarse angular blocky structure; firm; clay films on all faces of peds; 25 percent iron-manganese concretions between peds; fragments; gradual smooth boundary. Lab sample # IL13697. discontinuous - phpvsfiid 429706; discontinuous - phpvsfiid 429706
    B3—130 to 160 centimeters (51.2 to 63.0 inches); grayish brown (2.5Y 5/2) silt loam; 10 percent yellowish brown (10YR 5/8) coarse prominent mottles; weak coarse angular blocky structure; friable; 6.0 fine pores; grayish brown (10YR 5/2), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # IL13698. discontinuous - phpvsfiid 429705; discontinuous - phpvsfiid 429705
    C11—160 to 211 centimeters (63.0 to 83.1 inches); grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) silt loam; 25 percent yellowish brown (10YR 5/4) coarse prominent and 25 percent yellowish brown (10YR 5/8) coarse prominent mottles; massive; friable; fragments; gradual smooth boundary. Lab sample # IL13699, IL13700. Horizon split for sampling: IL13699 160 to 183 cm, IL13700 183 to 211 cm.
    C12—211 to 229 centimeters (83.1 to 90.2 inches); yellowish brown (10YR 5/4) silt loam; 25 percent light brownish gray (10YR 6/2) coarse prominent and 25 percent yellowish brown (10YR 5/8) coarse prominent mottles; massive; friable; fragments.