IDENTIFIERS

  • Current Taxon Name (Soil Name): Alvin
  • OSD
  • Series Extent
  • User Site ID: 1979IL171018
  • User Pedon ID: 1979IL171018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 79IL171018
  • NCSS Pedon Lab Data NASIS Record ID - 21171
  • Print Date: 2/17/2025

    • 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: 39.6373216
  • Std. Longitude: -90.5226352
  • Datum: WGS84
  • Township: 14N
  • Range: 13W
  • Section: 26
  • PLSS Details: 90 feet S & 400 feet E from NW corner
  • State: Illinois
  • County: IL171—Scott
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL171—Scott County, Illinois
  • 7.5 Minute USGS Quad: 39090-F5—Florence, Illinois

    • PEDON

  • Describers Name: MM, KG
  • Current Taxonomic Class: Coarse-loamy, 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 - Alvin
  • PSC - 36 to 86 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Alvin
  • Classificaton Date - 7/1/1979
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: sand
  • Landform: sand flow
  • Geomorphic Component Hills: side slope
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1979 (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—23

    23—81

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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

    12.5

    —

    —

    152

    —

    —

    —

    —

    —

    —

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; fine sandy loam; weak fine granular structure; very friable; 3.0 medium roots between peds; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL26827
    B1t—23 to 36 centimeters (9.1 to 14.2 inches); strong brown (7.5YR 4/6) fine sandy loam; weak fine subangular blocky structure; friable; 3.0 medium roots between peds and 0.6 fine roots between peds; faint brown (7.5YR 4/4), moist, organoargillans on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL26828. discontinuous - phpvsfiid 480367; discontinuous - phpvsfiid 480367
    B21t—36 to 56 centimeters (14.2 to 22.0 inches); strong brown (7.5YR 4/6) sandy clay loam; moderate medium subangular blocky structure; firm; 3.0 fine roots between peds; faint brown (7.5YR 4/4), moist, organoargillans on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL26829, IL26830. Horizon split for sampling: IL26829 36 to 46 cm, IL26830 46 to 56 cm.; discontinuous - phpvsfiid 480365; discontinuous - phpvsfiid 480365
    B22t—56 to 69 centimeters (22.0 to 27.2 inches); strong brown (7.5YR 4/6) fine sandy loam; moderate medium subangular blocky structure; friable; 3.0 medium roots between peds and 0.6 fine roots between peds; faint brown (7.5YR 4/4), moist, organoargillans on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL26831. discontinuous - phpvsfiid 480364; discontinuous - phpvsfiid 480364
    B3t—69 to 81 centimeters (27.2 to 31.9 inches); strong brown (7.5YR 4/6) fine sandy loam; weak medium subangular blocky structure; friable; 3.0 fine roots between peds; faint brown (7.5YR 4/4), moist, organoargillans on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL26832. patchy - phpvsfiid 480366; patchy - phpvsfiid 480366
    C&Bt—81 to 152 centimeters (31.9 to 59.8 inches); strong brown (7.5YR 4/6) and dark brown (10YR 3/3) stratified stratified loamy sand; weak medium subangular blocky structure; very friable; 0.6 medium roots between peds; fragments; neutral, pH 7.0.