IDENTIFIERS

  • Current Taxon Name (Soil Name): Douglas
  • OSD
  • Series Extent
  • User Site ID: 1965IL135001
  • User Pedon ID: 1965IL135001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 65IL135001
  • NCSS Pedon Lab Data NASIS Record ID - 20585
  • Print Date: 3/2/2025
  • 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: 39.3351709
  • Std. Longitude: -89.2073060
  • Datum: WGS84
  • Township: 10N
  • Range: 1W
  • Section: 4
  • Location Description: 645 feet W of SE corner of SE 10 & 30 feet N of road ditch
  • State: Illinois
  • County: IL135—Montgomery
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL135—Montgomery County, Illinois
  • PEDON

  • Describers Name: JBF, BUR, CED
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiudolls
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Douglas
  • PSC - 38 to 88 cm.
  • Classificaton Date - 2/22/2010
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Douglas
  • Classificaton Date - 5/1/1965
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess over till
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1965 (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

    7

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine granular structure; friable; fragments; abrupt smooth boundary. Lab sample # IL19796
    A1—15 to 25 centimeters (5.9 to 9.8 inches); very dark grayish brown (10YR 3/2) silt loam; moderate fine granular structure; friable; fragments; clear smooth boundary. Lab sample # IL19797
    B1—25 to 38 centimeters (9.8 to 15.0 inches); variegated dark brown (10YR 3/3) and brown (10YR 4/3) silt loam; strong medium granular structure; friable; fragments; clear smooth boundary. Lab sample # IL19798
    B21—38 to 58 centimeters (15.0 to 22.8 inches); brown (10YR 4/3) and dark yellowish brown (10YR 4/4) silty clay loam; moderate fine subangular blocky structure; firm; dark brown (10YR 3/3), moist, organoargillans on surfaces along pores and very dark gray (10YR 3/1), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # IL19799. discontinuous - phpvsfiid 429215; discontinuous - phpvsfiid 429215
    B22—58 to 79 centimeters (22.8 to 31.1 inches); dark yellowish brown (10YR 4/4) silt loam; moderate fine subangular blocky structure; firm; dark brown (10YR 3/3), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # IL19800. discontinuous - phpvsfiid 429216; discontinuous - phpvsfiid 429216
    B31—79 to 97 centimeters (31.1 to 38.2 inches); dark yellowish brown (10YR 4/4) silt loam; weak medium subangular blocky structure; friable; brown (10YR 4/3), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # IL19801. discontinuous - phpvsfiid 429212; discontinuous - phpvsfiid 429212
    B32—97 to 117 centimeters (38.2 to 46.1 inches); dark yellowish brown (10YR 4/4) silt loam; weak medium subangular blocky structure; friable; 10 percent brown (10YR 4/3), moist, clay films on all faces of peds; fragments; abrupt smooth boundary. Lab sample # IL19802
    IIB33—117 to 140 centimeters (46.1 to 55.1 inches); brown (7.5YR 4/4) silt loam; weak medium subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # IL19803
    IIIA—140 to 178 centimeters (55.1 to 70.1 inches); brown (7.5YR 4/4) silt loam; weak coarse angular blocky structure; firm; fragments; gradual smooth boundary. Lab sample # IL19804
    IIIB1—178 to 198 centimeters (70.1 to 78.0 inches); brown (7.5YR 4/4) silt loam; weak coarse angular blocky structure; firm; fragments; gradual smooth boundary.
    IIIB2—198 to 236 centimeters (78.0 to 92.9 inches); reddish brown (5YR 4/4) clay loam; weak medium angular blocky structure; firm; 10 percent iron-manganese concretions; fragments. Lab sample # IL19805