IDENTIFIERS

  • Current Taxon Name (Soil Name): Sylvan
  • OSD
  • Series Extent
  • User Site ID: 1981IL013018
  • User Pedon ID: 1981IL013018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL013018
  • NCSS Pedon Lab Data NASIS Record ID - 21322
  • Print Date: 12/17/2024

    • 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: 39.1704220
  • Std. Longitude: -90.6237849
  • Datum: WGS84
  • Township: 10S
  • Range: 2W
  • Section: 22
  • PLSS Details: 2180 feet west and 2560 feet north of the southeast corner
  • State: Illinois
  • County: IL013—Calhoun
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL013—Calhoun County, Illinois

    • PEDON

  • Describers Name: MEL
  • 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 #: 18
  • Correlated Information:
  • Soil Name - Sylvan
  • PSC - 25 to 75 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sylvan
  • Classificaton Date - 9/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous loess and/or till
  • Landscape: till plain
  • Landform: rise, stream terrace
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1981 (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—15

    25—74

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    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

    15

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    —

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; silt loam; moderate coarse granular, and moderate fine subangular blocky structure; friable; 3.0 fine roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27835
    B1—15 to 25 centimeters (5.9 to 9.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium angular blocky structure; firm; 0.6 fine roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27836
    B21t—25 to 48 centimeters (9.8 to 18.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium subangular blocky structure; firm; 0.6 fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL27837. discontinuous - phpvsfiid 460423; discontinuous - phpvsfiid 460423
    B22t—48 to 74 centimeters (18.9 to 29.1 inches); dark yellowish brown (10YR 4/6) silty clay loam; weak coarse subangular blocky structure; firm; 0.1 fine roots between peds; faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3, lamotte-morgan; gradual smooth boundary. Lab sample # IL27838. patchy - phpvsfiid 460424; patchy - phpvsfiid 460424
    B3—74 to 89 centimeters (29.1 to 35.0 inches); yellowish brown (10YR 5/6) silt loam; weak coarse subangular blocky structure; friable; 0.1 very fine roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27839
    C—89 to 152 centimeters (35.0 to 59.8 inches); yellowish brown (10YR 5/4) silt loam; structureless massive; friable; prominent white (10YR 8/1), moist, carbonate concretions in matrix; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.1, lamotte-morgan. Lab sample # IL27840