IDENTIFIERS

  • Current Taxon Name (Soil Name): Piasa
  • OSD
  • Series Extent
  • User Site ID: 1976IL119001
  • User Pedon ID: 1976IL119001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 76IL119001
  • NCSS Pedon Lab Data NASIS Record ID - 20840
  • 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: 38.6995987
  • Std. Longitude: -89.7262193
  • Datum: WGS84
  • Township: 3N
  • Range: 6W
  • Section: 13
  • PLSS Details: 62 feet east and 254 feet north of the southwest corner
  • State: Illinois
  • County: IL119—Madison
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL119—Madison County, Illinois
  • 7.5 Minute USGS Quad: 38089-F6—Highland, Illinois
  • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Mollic Natraqualfs
  • Current Taxon Kind: variant
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Piasa
  • PSC - 41 to 91 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Virden
  • Classificaton Date - 1/1/1976
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1976 (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

    163

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) silt loam; weak medium granular structure; friable; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL24506
    A3—23 to 41 centimeters (9.1 to 16.1 inches); very dark gray (10YR 3/1) silty clay loam; moderate fine angular blocky structure; firm; 50 percent black (10YR 2/1), moist, organic stains on all faces of peds; 10 percent fine iron-manganese concretions; 1 percent medium carbonate concretions; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL24507
    B21tg—41 to 64 centimeters (16.1 to 25.2 inches); dark grayish brown (2.5Y 4/2) silty clay; 10 percent light olive brown (2.5Y 5/6) fine distinct mottles; moderate medium prismatic structure; very firm; very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 10 percent fine iron-manganese concretions; 10 percent coarse carbonate concretions; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL24508. continuous - phpvsfiid 464968; continuous - phpvsfiid 464968
    B22tg—64 to 84 centimeters (25.2 to 33.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 10 percent brownish yellow (10YR 6/8) medium distinct mottles; moderate coarse prismatic, and moderate medium subangular blocky structure; very firm; dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 1 percent fine iron-manganese concretions; 1 percent medium carbonate concretions; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL24509. continuous - phpvsfiid 464969; continuous - phpvsfiid 464969
    B23tg—84 to 107 centimeters (33.1 to 42.1 inches); olive gray (5Y 5/2) silty clay loam; 10 percent grayish brown (2.5Y 5/2) coarse distinct mottles; moderate coarse prismatic, and moderate medium subangular blocky structure; very firm; dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL24510. continuous - phpvsfiid 464970; continuous - phpvsfiid 464970
    B24tg—107 to 130 centimeters (42.1 to 51.2 inches); light olive gray (5Y 6/2) silty clay loam; 10 percent light olive brown (2.5Y 5/6) medium distinct mottles; weak coarse prismatic, and moderate medium subangular blocky structure; firm; grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent fine iron-manganese concretions; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL24511. discontinuous - phpvsfiid 464971; discontinuous - phpvsfiid 464971
    B3g—130 to 147 centimeters (51.2 to 57.9 inches); light olive gray (5Y 6/2) silty clay loam; 10 percent light olive brown (2.5Y 5/6) medium distinct mottles; weak coarse subangular blocky structure; firm; 10 percent grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent medium iron-manganese concretions; fragments; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL24512
    Cg—147 to 178 centimeters (57.9 to 70.1 inches); light olive gray (5Y 6/2) silt loam; 10 percent light olive brown (2.5Y 5/6) medium distinct mottles; massive; friable; 10 percent medium iron-manganese concretions; fragments; neutral, pH 7.0. Lab sample # IL24513