IDENTIFIERS

  • Current Taxon Name (Soil Name): Millbrook
  • OSD
  • Series Extent
  • User Site ID: 1970IL037001
  • User Pedon ID: 1970IL037001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 70IL037001
  • NCSS Pedon Lab Data NASIS Record ID - 20694
  • 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: 42.1372451
  • Std. Longitude: -88.6005828
  • Datum: WGS84
  • Township: 42N
  • Range: 5E
  • Section: 12
  • PLSS Details: 40 feet east of 1/4 mile line,150 feet south of center of east-west road
  • State: Illinois
  • County: IL037—DeKalb
  • MLRA: 95—Eastern Wisconsin, Northern Illinois, and Upper Michigan Drift Plain
  • Non-MLRA Soil Survey Area: IL037—DeKalb County, Illinois
  • 7.5 Minute USGS Quad: 42088-B5—Marengo South, Illinois
  • PEDON

  • Describers Name: KH, GW, BR
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Udollic Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Millbrook
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Millbrook
  • Classificaton Date - 10/1/1970
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess over outwash
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1970 (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

    253

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) silt loam; moderate fine granular structure; friable; 6.0 roots; fragments; abrupt smooth boundary. Lab sample # IL22279
    A2—20 to 30 centimeters (7.9 to 11.8 inches); brown (10YR 4/3) and dark grayish brown (10YR 4/2) silt loam; weak fine platy, and moderate fine granular structure; friable; 6.0 roots; fragments; clear smooth boundary. Lab sample # IL22280
    B21t—30 to 46 centimeters (11.8 to 18.1 inches); brown (10YR 4/3) silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; friable; 6.0 roots; dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # IL22281. patchy - phpvsfiid 464577; patchy - phpvsfiid 464577
    B22t—46 to 66 centimeters (18.1 to 26.0 inches); variegated dark grayish brown (10YR 4/2) and brown (10YR 4/3) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine prominent mottles; weak fine prismatic, and moderate fine subangular blocky structure; 6.0 roots; grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and 10 percent very dark brown (10YR 2/2), moist, organoargillans on surfaces along root channels; 1 percent very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL22282. discontinuous - phpvsfiid 464579; discontinuous - phpvsfiid 464579
    I-IIB23t—66 to 86 centimeters (26.0 to 33.9 inches); variegated dark grayish brown (10YR 4/2) and yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) silty clay loam, gravel; weak medium prismatic, and moderate medium subangular blocky structure; 0.6 roots; grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 1 percent very dark brown (10YR 2/2), moist, iron-manganese concretions; fragments; clear smooth boundary. Lab sample # IL22283. discontinuous - phpvsfiid 464580; discontinuous - phpvsfiid 464580
    IIB3—86 to 104 centimeters (33.9 to 40.9 inches); dark grayish brown (10YR 4/2) sandy loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse subangular blocky structure; 0.6 roots; grayish brown (10YR 5/2), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # IL22284. discontinuous - phpvsfiid 464581; discontinuous - phpvsfiid 464581
    IIC—104 to 142 centimeters (40.9 to 55.9 inches); variegated gray (5Y 6/1) and light brownish gray (2.5Y 6/2) and yellowish brown (10YR 5/6) silt loam, gravel, loam, gravel; massive; 25 percent very dark brown (10YR 2/2), moist, iron-manganese concretions; fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL22286, IL22287, IL22285, IL22288. Horizon split for sampling: IL22285 104 to 114 cm, IL22286 114 to 127 cm, IL22287 127 to 137 cm, IL22288 137 to 142 cm.