IDENTIFIERS

  • Current Taxon Name (Soil Name): St. Charles
  • OSD
  • Series Extent
  • User Site ID: 1972IL077002
  • User Pedon ID: 1972IL077002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 72IL077002
  • NCSS Pedon Lab Data NASIS Record ID - 20732
  • 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: 37.8285731
  • Std. Longitude: -89.3481924
  • Datum: WGS84
  • Township: 8S
  • Range: 2W
  • Section: 17
  • PLSS Details: 59 paces south of field lane along escarpment edge
  • State: Illinois
  • County: IL077—Jackson
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL077—Jackson County, Illinois
  • 7.5 Minute USGS Quad: 37089-G3—Murphysboro, Illinois

    • PEDON

  • Describers Name: CCM, RJH, JDA
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - St. Charles
  • PSC - 36 to 86 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - St. Charles
  • Classificaton Date - 9/1/1972
  • 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: 9/1/1972 (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

    2

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    119

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) silt loam; weak fine granular structure; friable; 25 percent worm casts; fragments; slightly alkaline, pH 7.6; abrupt boundary. Lab sample # IL23533
    A2—20 to 25 centimeters (7.9 to 9.8 inches); yellowish brown (10YR 5/4) and brown (10YR 4/3) silt loam; weak fine granular structure; friable; fragments; slightly acid, pH 6.3; clear boundary. Lab sample # IL23534
    B1t—25 to 36 centimeters (9.8 to 14.2 inches); yellowish brown (10YR 5/4) silt loam; weak fine granular structure; friable; 1 percent dark brown (10YR 3/3), moist, worm casts; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23535
    B21t—36 to 46 centimeters (14.2 to 18.1 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23536. patchy - phpvsfiid 464675; patchy - phpvsfiid 464675
    A'2-B22t—46 to 53 centimeters (18.1 to 20.9 inches); dark yellowish brown (10YR 4/4) silt loam; weak fine prismatic, and moderate very fine angular blocky structure; friable; dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and light gray (10YR 7/2), dry, silica coats on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23537. continuous - phpvsfiid 464676; patchy - phpvsfiid 464677; continuous - phpvsfiid 464676; patchy - phpvsfiid 464677
    IIB23t—53 to 61 centimeters (20.9 to 24.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate fine prismatic, and moderate fine angular blocky structure; firm; dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and light gray (10YR 7/2), dry, silica coats on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23538
    IIB24t—61 to 99 centimeters (24.0 to 39.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; 1 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate fine prismatic, and moderate fine angular blocky structure; firm; brown (10YR 4/3), moist, and brown (10YR 5/3), moist, clay films on all faces of peds and light gray (10YR 7/2), dry, silica coats on all faces of peds; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23539, IL23540. Horizon split for sampling: IL23539 61 to 79 cm, IL23540 79 to 99 cm.; patchy - phpvsfiid 464681; patchy - phpvsfiid 464681
    IIB25t—99 to 117 centimeters (39.0 to 46.1 inches); light brownish gray (10YR 6/2) silty clay loam; 25 percent yellowish brown (10YR 5/6) medium distinct mottles; weak coarse prismatic, and weak medium subangular blocky structure; firm; brown (10YR 5/3), moist, clay films on all faces of peds and light gray (10YR 7/2), moist, silica coats on all faces of peds; 10 percent fine dark yellowish brown (10YR 3/4), moist, iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23541. continuous - phpvsfiid 464682; patchy - phpvsfiid 464683; continuous - phpvsfiid 464682; patchy - phpvsfiid 464683
    IIB3t—117 to 132 centimeters (46.1 to 52.0 inches); light brownish gray (2.5Y 6/2) silty clay loam; 25 percent dark yellowish brown (10YR 4/4) fine mottles; weak coarse subangular blocky structure; firm; brown (10YR 5/3), moist, clay films on vertical faces of peds; 25 percent fine dark yellowish brown (10YR 3/4), moist, iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear boundary. Lab sample # IL23542. patchy - phpvsfiid 464684; patchy - phpvsfiid 464684
    IIC1—132 to 152 centimeters (52.0 to 59.8 inches); grayish brown (2.5Y 5/2) stratified stratified silty clay; 10 percent dark yellowish brown (10YR 4/4) medium mottles; massive; very firm; dark brown (10YR 3/3), moist, organoargillans on all faces of peds; very dark brown (10YR 2/2), moist, iron-manganese concretions on surfaces along root channels and very dark brown (10YR 2/2), moist, iron-manganese concretions on faces of peds; fragments; very strongly acid, pH 4.7; abrupt boundary. Lab sample # IL23543
    IIC2—152 to 180 centimeters (59.8 to 70.9 inches); light brownish gray (2.5Y 6/2) stratified stratified loam to silt loam to silty clay loam; 25 percent yellowish brown (10YR 5/6) medium mottles; massive; friable; dark brown (10YR 3/3), moist, organoargillans on all faces of peds; 10 percent very dark brown (10YR 2/2), moist, iron-manganese concretions on surfaces along root channels and 10 percent very dark brown (10YR 2/2), moist, iron-manganese concretions on faces of peds; fragments; moderately acid, pH 5.8; abrupt boundary.
    IIC3—180 to 224 centimeters (70.9 to 88.2 inches); gray (5Y 5/1) silt loam; 10 percent yellowish brown (10YR 5/6) fine prominent mottles; massive; firm; 10 percent fine very dark brown (10YR 2/2), moist, iron-manganese concretions; fragments; slightly acid, pH 6.3.