IDENTIFIERS

  • Current Taxon Name (Soil Name): Piasa
  • OSD
  • Series Extent
  • User Site ID: 1979IL157078
  • User Pedon ID: 1979IL157078
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 79IL157078
  • NCSS Pedon Lab Data NASIS Record ID - 21167
  • Print Date: 12/11/2024

    • 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: 38.1861533
  • Std. Longitude: -89.9735183
  • Datum: WGS84
  • Township: 4S
  • Range: 8W
  • Section: 15
  • PLSS Details: 20 feet N & 645 feet W of center
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 38089-B8—Red Bud, Illinois

    • PEDON

  • Describers Name: CCM, RWS
  • Current Taxonomic Class: Fine, smectitic, mesic Mollic Natraqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 78
  • Correlated Information:
  • Soil Name - Piasa
  • PSC - 20 to 70 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Piasa
  • Classificaton Date - 10/1/1979
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess over Illinoian till
  • Landform: interfluve
  • Anthropogenic Feature: drainage ditch
  • Runoff: low
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1979 (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 -
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    natric

    —

    20 - 130

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    natric horizon

    0—20

    20—70

    20—130

    —-

    —-

    —-
    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

    —

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) silt loam; weak medium granular structure; friable; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # IL26793; observed in push tube
    B21t—20 to 36 centimeters (7.9 to 14.2 inches); dark grayish brown (10YR 4/2) and brown (10YR 5/3) silty clay loam; moderate medium prismatic parts to weak medium angular blocky structure; firm; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; slightly alkaline, pH 7.8; clear smooth boundary. Lab sample # IL26794; observed in push tube. continuous - phpvsfiid 480007; patchy - phpvsfiid 480008; continuous - phpvsfiid 480007; patchy - phpvsfiid 480008
    B22t—36 to 58 centimeters (14.2 to 22.8 inches); dark grayish brown (10YR 4/2) and grayish brown (10YR 5/2) silty clay loam; moderate medium prismatic parts to weak coarse angular blocky structure; firm; distinct very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; fragments; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # IL26795; observed in push tube. continuous - phpvsfiid 480011; continuous - phpvsfiid 480011
    B23t—58 to 79 centimeters (22.8 to 31.1 inches); grayish brown (10YR 5/2) silty clay loam; moderate medium prismatic parts to weak coarse subangular blocky structure; firm; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.4; clear smooth boundary. Lab sample # IL26796; observed in push tube. continuous - phpvsfiid 480005; continuous - phpvsfiid 480005
    B24tg—79 to 107 centimeters (31.1 to 42.1 inches); grayish brown (2.5Y 5/2) silty clay loam; moderate coarse prismatic parts to weak coarse subangular blocky structure; firm; faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.4; clear smooth boundary. Lab sample # IL26797; observed in push tube. patchy - phpvsfiid 480009; patchy - phpvsfiid 480009
    B3g—107 to 130 centimeters (42.1 to 51.2 inches); grayish brown (2.5Y 5/2) silty clay loam; 10 percent yellow (10YR 7/8) medium distinct and 10 percent reddish yellow (7.5YR 6/8) medium prominent mottles; weak coarse subangular blocky structure; firm; distinct gray (10YR 6/1), moist, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # IL26798; observed in push tube. patchy - phpvsfiid 480004; patchy - phpvsfiid 480004
    C1g—130 to 163 centimeters (51.2 to 64.2 inches); grayish brown (2.5Y 5/2) and gray (10YR 5/1) silty clay loam; 10 percent yellow (10YR 7/8) medium distinct and 10 percent reddish yellow (7.5YR 6/8) medium prominent mottles; structureless massive; firm; prominent light gray (10YR 7/2), moist, silt coats on surfaces along pores; 1 percent prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.0; clear smooth boundary.; observed in push tube
    C2g—163 to 175 centimeters (64.2 to 68.9 inches); light brownish gray (2.5Y 6/2) and gray (10YR 6/1) silt loam; 10 percent strong brown (7.5YR 5/6) medium prominent and 10 percent reddish yellow (7.5YR 6/8) medium prominent mottles; structureless massive; friable; 1 percent prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.8.; observed in push tube