IDENTIFIERS

  • Current Taxon Name (Soil Name): Sylvan
  • OSD
  • Series Extent
  • User Site ID: 1978IL095001
  • User Pedon ID: 1978IL095001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL095001
  • NCSS Pedon Lab Data NASIS Record ID - 21012
  • Print Date: 5/20/2024

    • 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: 40.9755376
  • Std. Longitude: -90.1355634
  • Datum: WGS84
  • Township: 12N
  • Range: 3E
  • Section: 35
  • PLSS Details: 467 feet E & 99 feet N of the SW corner
  • State: Illinois
  • County: IL095—Knox
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL095—Knox County, Illinois
  • 7.5 Minute USGS Quad: 40090-H2—Appleton, Illinois

    • PEDON

  • Describers Name: RDW
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Sylvan
  • PSC - 20 to 70 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sylvan
  • Classificaton Date - 10/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous Peoria loess
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1978 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—33

    —-

    —-
    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

    12.5

    —

    —

    224

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; 1 percent yellowish brown (10YR 5/6) fine faint mottles; moderate fine subangular blocky structure; friable; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL25673
    B2t—20 to 33 centimeters (7.9 to 13.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate fine angular blocky structure; friable; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine distinct masses of oxidized iron in matrix; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL25674. discontinuous - phpvsfiid 480141; discontinuous - phpvsfiid 480141
    B3—33 to 69 centimeters (13.0 to 27.2 inches); brown (10YR 5/3) silt loam; 10 percent yellowish brown (10YR 5/6) medium and 25 percent light brownish gray (10YR 6/2) medium faint mottles; weak medium subangular blocky structure; friable; faint brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine distinct masses of oxidized iron in matrix; fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL25675. patchy - phpvsfiid 480140; patchy - phpvsfiid 480140
    C1—69 to 102 centimeters (27.2 to 40.2 inches); light olive gray (5Y 6/2) silt loam; 25 percent yellowish brown (10YR 5/6) medium distinct mottles; structureless massive; friable; 10 percent fine prominent iron-manganese concretions in matrix; 1 percent medium prominent carbonate concretions in matrix; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25676
    C2—102 to 152 centimeters (40.2 to 59.8 inches); variegated gray (5Y 6/1) and yellowish brown (10YR 5/6) silt loam; structureless massive; very friable; 1 percent fine prominent masses of oxidized iron in matrix; 1 percent fine prominent carbonate concretions in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1. Lab sample # IL25677