IDENTIFIERS

  • Current Taxon Name (Soil Name): Udorthents
  • OSD
  • Series Extent
  • User Site ID: 1992IL031026
  • User Pedon ID: 92IL031026a
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0044
  • Print Date: 5/13/2024

    • 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: 41.8777919
  • Std. Longitude: -87.6194607
  • Datum: WGS84
  • Location Description: Grant Park Soils Study, Chicago, Illinois. Site #2, Buckingham NW, high traffic area between the rows of elm trees.
  • State: Illinois
  • County: IL031—Cook
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-AUR—Aurora, Illinois
  • Non-MLRA Soil Survey Area: IL031—Cook County, Illinois

    • PEDON

  • Describers Name: Eric Engel and Mark Bramstedt
  • Current Taxonomic Class: Fine, mixed, superactive, calcareous, mesic Typic Udorthents
  • Current Taxon Kind: taxon above family
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 26
  • Correlated Information:
  • Soil Name - Udorthents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/13/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - SND
  • Classificaton Date - 9/16/1992
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: human-transported material
  • Runoff: low
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/16/1992 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    179

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    A1—0 to 12 centimeters (0.0 to 4.7 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; strong medium granular structure; friable; 3.0 very fine roots throughout; fragments; slightly alkaline, pH 7.5, hellige-truog; abrupt smooth boundary. Lab sample # 93P00340
    A2—12 to 36 centimeters (4.7 to 14.2 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate medium and coarse granular structure; friable; 3.0 very fine to coarse roots throughout; 2 percent by volume 2-39-75 millimeter mixed fragments; very slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 93P00341
    A3—36 to 59 centimeters (14.2 to 23.2 inches); very dark grayish brown (2.5Y 3/2) silty clay loam; 1 percent dark grayish brown (2.5Y 4/2) fine faint mottles; moderate fine and medium subangular blocky, and moderate medium angular blocky structure; firm; 3.0 very fine to coarse roots throughout; 75 percent distinct black (10YR 2/1) coats on faces of peds; 2 percent by volume 2-39-75 millimeter mixed fragments; very slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.4, hellige-truog; abrupt smooth boundary. Lab sample # 93P00342
    C1—59 to 101 centimeters (23.2 to 39.8 inches); 70 percent very dark grayish brown (2.5Y 3/2) and 30 percent light yellowish brown (2.5Y 6/3) silt loam; 1 percent dark gray (10YR 4/1) fine prominent mottles; weak fine and medium subangular blocky structure; friable; 0.5 very fine to medium roots throughout; 1 percent distinct very dark gray (N 3/0) organic stains on faces of peds; 5 percent by volume 2-39-75 millimeter mixed fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.4, hellige-truog; abrupt wavy boundary. Lab sample # 93P00343
    C2—101 to 121 centimeters (39.8 to 47.6 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 40 percent clay; light olive brown (2.5Y 5/4) fine distinct and 3 percent dark grayish brown (2.5Y 4/2) medium faint mottles; massive; extremely firm*; 0.5 very fine and fine roots top of horizon and 0.5 medium roots throughout; 3 percent fine spherical masses of oxidized iron; 3 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.4, hellige-truog; gradual broken boundary. Lab sample # 93P00344
    C3—121 to 165 centimeters (47.6 to 65.0 inches); 50 percent dark grayish brown (2.5Y 4/2) and 50 percent light olive brown (2.5Y 5/3) loam; 1 percent yellowish brown (10YR 5/6) fine prominent and 3 percent dark grayish brown (2.5Y 4/2) medium faint mottles; massive; 0.5 very fine and fine roots throughout; 5 percent by volume 75-162-250 millimeter mixed fragments and 7 percent by volume 2-39-75 millimeter mixed fragments; moderately alkaline, pH 8.4, hellige-truog. Lab sample # 93P00345