IDENTIFIERS

  • Current Taxon Name (Soil Name): Unknown
  • OSD
  • Series Extent
  • User Site ID: S2002IL-099-015
  • User Pedon ID: S2002IL099015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N0159
  • NCSS Pedon Lab Data NASIS Record ID - 14995
  • Print Date: 4/21/2025
  • 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: 41.3213882
  • Std. Longitude: -88.9208298
  • Datum: WGS84
  • Township: T. 33 N.
  • Range: R. 3 E.
  • Section: 19
  • Location Description: Ottawa Township; Starved Rock, ILL. Topographic Quadrangle, Buffalo Rock State Park, La Salle County, Illinois
  • State: Illinois
  • County: IL099—La Salle
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL099—La Salle County, Illinois
  • 7.5 Minute USGS Quad: 41088-C8—Starved Rock, Illinois
  • PEDON

  • Describers Name: Karla D. Petges
  • Current Taxonomic Class: Fine-silty, mixed, acid, mesic Alfic Udarents
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Unknown
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/19/2008
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Strip Mine
  • Classificaton Date - 10/23/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Silty Clay Loam Till over Residuum over Shale, Limestone and Sandstone
  • Anthropogenic Feature: spoil pile
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/23/2002 (actual site observation date)
  • Air Photo ID: A.S. 57
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    0—8

    —-

    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

    156

    203

    A—0 to 8 centimeters (0.0 to 3.1 inches); 90 percent light olive brown (2.5Y 5/3) and 10 percent gray (2.5Y 5/1), pale yellow (2.5Y 7/3), dry; silt loam; weak coarse subangular blocky structure; firm; 3.0 very fine and fine roots; fine prominent yellowish brown (10YR 5/6) iron masses throughout; 1 percent by volume mixed fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 03N00820; very dry when described; observed in pit, small
    C1—8 to 28 centimeters (3.1 to 11.0 inches); 96 percent gray (2.5Y 5/1) and 4 percent light yellowish brown (2.5Y 6/4) silty clay loam; very firm; 1.0 very fine roots; 1 percent fine prominent strong brown (7.5YR 5/6) iron masses throughout; fragments; strongly acid, pH 5.4; clear wavy boundary. Lab sample # 03N00821; moderately dry when described;
    C2—28 to 61 centimeters (11.0 to 24.0 inches); 60 percent light olive brown (2.5Y 5/4) and 40 percent gray (2.5Y 5/1) silty clay loam; firm; 1.0 very fine roots; 5 percent faint olive brown (2.5Y 4/4) clay films throughout; 1 percent fine prominent dark reddish gray (5YR 4/2) iron masses on horizontal faces of peds and 1 percent fine prominent yellowish brown (10YR 5/6) iron masses throughout; 2 percent by volume mixed fragments; extremely acid, pH 3.9; clear wavy boundary. Lab sample # 03N00822; slightly dry when described;. patchy - phpvsfiid 386846; patchy - phpvsfiid 386846
    C3—61 to 84 centimeters (24.0 to 33.1 inches); 95 percent gray (2.5Y 5/1) and 5 percent light olive brown (2.5Y 5/4) silty clay loam; very firm; 1 percent fine and medium prominent dark reddish gray (5YR 4/2) iron masses on horizontal faces of peds; fragments; extremely acid, pH 4.0; clear wavy boundary. Lab sample # 03N00823; slightly dry when described;
    C4—84 to 117 centimeters (33.1 to 46.1 inches); 90 percent light olive brown (2.5Y 5/4) and 10 percent gray (2.5Y 5/1) silt loam; firm; 15 percent faint olive brown (2.5Y 4/4) clay films throughout; 2 percent fine and medium distinct light brownish gray (2.5Y 6/2) iron depletions throughout and 2 percent medium distinct yellowish brown (10YR 5/6) masses of oxidized iron throughout and 4 percent fine prominent black (10YR 2/1) manganese nodules throughout; 1 percent by volume mixed fragments; extremely acid, pH 3.6; abrupt smooth boundary. Lab sample # 03N00824; slightly moist when described;. patchy - phpvsfiid 386847; patchy - phpvsfiid 386847
    C5—117 to 165 centimeters (46.1 to 65.0 inches); 95 percent dark gray (2.5Y 4/1) and 5 percent light yellowish brown (2.5Y 6/4) silty clay loam; very firm; 5 percent medium prominent yellowish brown (10YR 5/6) iron masses throughout; 1 percent by volume mixed fragments; extremely acid, pH 3.8; clear wavy boundary. Lab sample # 03N00825; slightly moist when described;
    C6—165 to 190 centimeters (65.0 to 74.8 inches); 90 percent light olive brown (2.5Y 5/4) and 10 percent dark gray (2.5Y 4/1) silt loam; firm; 10 percent faint olive brown (2.5Y 4/4) clay films throughout; 2 percent fine prominent black (10YR 2/1) manganese nodules throughout and 2 percent medium prominent yellowish brown (10YR 5/6) iron masses throughout; 2 percent by volume mixed fragments; extremely acid, pH 3.7; abrupt smooth boundary. Lab sample # 03N00826; slightly moist when described;. patchy - phpvsfiid 386848; patchy - phpvsfiid 386848
    C7—190 to 203 centimeters (74.8 to 79.9 inches); 95 percent dark gray (2.5Y 4/1) and 5 percent light yellowish brown (2.5Y 6/4) silty clay loam; very firm; 5 percent medium prominent dark yellowish brown (10YR 4/6) iron masses on horizontal faces of peds and 3 percent medium prominent yellowish brown (10YR 5/6) iron masses throughout; fragments; extremely acid, pH 3.8. Lab sample # 03N00827; slightly moist when described;