IDENTIFIERS

  • Current Taxon Name (Soil Name): Atlas
  • OSD
  • Series Extent
  • User Site ID: 1966IL001001
  • User Pedon ID: 1966IL001001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 66IL001001
  • NCSS Pedon Lab Data NASIS Record ID - 20604
  • Print Date: 5/20/2024
  • 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: 40.1000266
  • Std. Longitude: -91.1416117
  • Datum: WGS84
  • Township: 1N
  • Range: 6W
  • Section: 6
  • PLSS Details: 2352 feet north and 1391 feet east of the southwest corner
  • Location Description: 288 feet south and 71 feet east of the northwest corner of the northeast 40 of the southwest 160
  • State: Illinois
  • County: IL001—Adams
  • Non-MLRA Soil Survey Area: IL001—Adams County, Illinois
  • 7.5 Minute USGS Quad: 40091-A2—Coatsburg, Illinois
  • PEDON

  • Describers Name: LJB, JF
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Chromic Vertic Epiaqualfs
  • Current Taxon Kind: variant
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Atlas
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Atlas
  • Classificaton Date - 7/1/1966
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 7/1/1966 (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

    9

    205

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) silt loam; moderate very fine granular structure; friable; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # IL20235
    IIB1—10 to 20 centimeters (3.9 to 7.9 inches); dark grayish brown (10YR 4/2) silty clay; 1 percent dark yellowish brown (10YR 4/4) fine distinct mottles; moderate fine subangular blocky structure; firm; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL20236
    IIB21g—20 to 38 centimeters (7.9 to 15.0 inches); dark gray (5Y 4/1) silty clay; 10 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; weak coarse granular structure; firm; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL20237
    IIB22g—38 to 61 centimeters (15.0 to 24.0 inches); gray (5Y 5/1) silty clay; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; moderate fine angular blocky structure; firm; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL20238
    IIB23g—61 to 79 centimeters (24.0 to 31.1 inches); gray (5Y 6/1) silty clay; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; weak fine angular blocky structure; firm; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # IL20239
    IIB24g—79 to 91 centimeters (31.1 to 35.8 inches); gray (10YR 6/1) silty clay; 25 percent yellowish brown (10YR 5/6) fine prominent mottles; weak medium angular blocky structure; firm; 10 percent medium iron-manganese concretions; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # IL20240
    IIB25g—91 to 117 centimeters (35.8 to 46.1 inches); gray (5Y 5/1) silty clay; 10 percent dark yellowish brown (10YR 4/4) medium distinct mottles; weak medium angular blocky structure; firm; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # IL20241
    IIB31g—117 to 152 centimeters (46.1 to 59.8 inches); dark gray (5Y 4/1) silty clay loam; 25 percent yellowish brown (10YR 5/8) coarse prominent mottles; weak medium angular blocky structure; firm; 10 percent dark gray (5Y 4/1), moist, and gray (5Y 5/1), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.6. Lab sample # IL20242
    IIB32—152 to 188 centimeters (59.8 to 74.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; 25 percent gray (5Y 5/1) coarse prominent mottles; weak medium angular blocky structure; firm; 10 percent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds and 10 percent very dark gray (10YR 3/1), moist, organoargillans on surfaces along root channels; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL20243
    IIC1—188 to 244 centimeters (74.0 to 96.1 inches); gray (5Y 5/1) silty clay loam; 10 percent dark yellowish brown (10YR 4/4) coarse prominent mottles; weak coarse angular blocky structure; firm; 1 percent iron-manganese concretions; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL20244
    IIC2—244 to 343 centimeters (96.1 to 135.0 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent gray (5Y 5/1) coarse prominent mottles; weak coarse angular blocky structure; firm; 10 percent dark gray (10YR 4/1), moist, organoargillans on all faces of peds; 1 percent iron-manganese concretions; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL20245
    IIIAbg—343 to 353 centimeters (135.0 to 139.0 inches); dark gray (10YR 4/1) clay; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; weak platy structure; firm; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL20246