IDENTIFIERS

  • Current Taxon Name (Soil Name): Onarga
  • OSD
  • Series Extent
  • User Site ID: 1985IL125046
  • User Pedon ID: 1985IL125046
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 85IL125046
  • NCSS Pedon Lab Data NASIS Record ID - 21871
  • Print Date: 1/30/2025
  • 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: 40.3545917
  • Std. Longitude: -89.8197111
  • Datum: WGS84
  • Township: 22N
  • Range: 6W
  • Section: 18
  • PLSS Details: 70 feet N & 171 feet W of the center
  • Location Description: Forest City Township
  • State: Illinois
  • County: IL125—Mason
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL125—Mason County, Illinois
  • 7.5 Minute USGS Quad: 40089-C7—Forest City, Illinois
  • PEDON

  • Describers Name: PRK, WMT, WKS
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: PedonPC
  • Pedon #: 46
  • Correlated Information:
  • Soil Name - Onarga
  • PSC - 64 to 114 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Onarga
  • Classificaton Date - 8/1/1985
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: outwash
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1985 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    151

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; sandy loam; weak fine subangular blocky structure; friable; 3.0 fine roots; 50 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL32041
    A—25 to 46 centimeters (9.8 to 18.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; sandy loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 50 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL32042
    Bt1—46 to 64 centimeters (18.1 to 25.2 inches); brown (10YR 4/3) sandy loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 25 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds and 50 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL32043
    Bt2—64 to 84 centimeters (25.2 to 33.1 inches); dark yellowish brown (10YR 4/4) sandy loam; weak fine prismatic, and moderate medium subangular blocky structure; friable; 0.6 very fine roots; 25 percent faint dark brown (10YR 3/3), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL32044
    BC—84 to 122 centimeters (33.1 to 48.0 inches); yellowish brown (10YR 5/6) loamy sand; weak medium prismatic, and weak medium subangular blocky structure; very friable; 0.6 very fine roots; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # IL32045
    C—122 to 152 centimeters (48.0 to 59.8 inches); yellowish brown (10YR 5/8) sand; single grain; loose; fragments; moderately acid, pH 5.8. Lab sample # IL32046