IDENTIFIERS

  • Current Taxon Name (Soil Name): Harvard
  • OSD
  • Series Extent
  • User Site ID: 1967IL111002
  • User Pedon ID: 1967IL111002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 67IL111002
  • NCSS Pedon Lab Data NASIS Record ID - 20634
  • Print Date: 11/21/2024

    • 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: 42.4093237
  • Std. Longitude: -88.6449873
  • Datum: WGS84
  • Township: 45N
  • Range: 5E
  • Section: 3
  • PLSS Details: 66 feet north of east-west fence and 320 feet west of center of blacktop road
  • State: Illinois
  • County: IL111—McHenry
  • MLRA: 95—Eastern Wisconsin, Northern Illinois, and Upper Michigan Drift Plain
  • Non-MLRA Soil Survey Area: IL111—McHenry County, Illinois
  • 7.5 Minute USGS Quad: 42088-D6—Capron, Illinois

    • PEDON

  • Describers Name: JDA, BWR
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Harvard
  • PSC - 46 to 96 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Harvard
  • Classificaton Date - 8/1/1967
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over outwash
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1967 (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 -
    • 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

    —

    —

    274

    —

    834

    —

    —

    8.2

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate medium granular structure; friable; 3.0 roots; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # IL20447
    A2—20 to 36 centimeters (7.9 to 14.2 inches); brown (10YR 4/3) silt loam; weak coarse prismatic structure; friable; 3.0 roots; very dark grayish brown (10YR 3/2), moist, organoargillans on surfaces along root channels; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL20448
    B1t—36 to 46 centimeters (14.2 to 18.1 inches); brown (10YR 4/3) silty clay loam; moderate fine subangular blocky structure; friable; 3.0 roots; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL20449
    B21t—46 to 61 centimeters (18.1 to 24.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate fine subangular blocky structure; firm; 0.6 roots; dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL20450. discontinuous - phpvsfiid 464206; discontinuous - phpvsfiid 464206
    B22t—61 to 79 centimeters (24.0 to 31.1 inches); brown (10YR 5/3) silty clay loam; 25 percent light brownish gray (10YR 6/2) fine distinct mottles; weak fine prismatic, and moderate fine angular blocky structure; firm; 0.6 roots; grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese concretions; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL20451. discontinuous - phpvsfiid 464207; discontinuous - phpvsfiid 464207
    B23t—79 to 97 centimeters (31.1 to 38.2 inches); grayish brown (2.5Y 5/2) silty clay loam; 10 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium prismatic, and moderate medium angular blocky structure; firm; 0.6 roots; dark gray (10YR 4/1), moist, and dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and very dark brown (10YR 2/2), moist, organoargillans on surfaces along root channels; 10 percent iron-manganese concretions; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # IL20452. discontinuous - phpvsfiid 464208; discontinuous - phpvsfiid 464208
    B3—97 to 107 centimeters (38.2 to 42.1 inches); grayish brown (2.5Y 5/2) loam; 25 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium subangular blocky structure; friable; 1 percent iron-manganese concretions; fragments; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # IL20453
    C1—107 to 137 centimeters (42.1 to 53.9 inches); grayish brown (2.5Y 5/2) loam; 1 percent strong brown (7.5YR 5/6) fine prominent mottles; massive; friable; 1 percent iron-manganese concretions; fragments; slight effervescence; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL20454
    C2—137 to 157 centimeters (53.9 to 61.8 inches); grayish brown (2.5Y 5/2) loam; 10 percent strong brown (7.5YR 5/6) coarse prominent mottles; massive; friable; 1 percent iron-manganese concretions; fragments; strong effervescence; slightly alkaline, pH 7.6. Lab sample # IL20455