IDENTIFIERS

  • Current Taxon Name (Soil Name): Piasa
  • OSD
  • Series Extent
  • User Site ID: 1980IL117015
  • User Pedon ID: 1980IL117015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL117015
  • NCSS Pedon Lab Data NASIS Record ID - 21240
  • 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: 38.9993362
  • Std. Longitude: -89.7189694
  • Datum: WGS84
  • Township: 7N
  • Range: 6W
  • Section: 35
  • PLSS Details: 87 feet north and 420 feet west of southeast corner, NW 1/4
  • State: Illinois
  • County: IL117—Macoupin
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL117—Macoupin County, Illinois

    • PEDON

  • Describers Name: MH, LS, SF, SE, DK
  • Current Taxonomic Class: Fine, smectitic, mesic Mollic Natraqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Piasa
  • PSC - 38 to 88 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Piasa
  • Classificaton Date - 8/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess over Roxana loess over Illinoian till with paleosol
  • Landscape: upland
  • Landform: flat
  • Runoff: low
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1980 (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

    —

    56 - 168

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

    ochric epipedon

    argillic horizon

    natric horizon

    0—38

    38—168

    56—168

    —-

    —-

    —-
    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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) silt loam; 1 percent dark yellowish brown (10YR 4/4) fine distinct mottles; moderate very fine granular structure; friable; 3.0 roots between peds; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # IL27197
    A2—23 to 38 centimeters (9.1 to 15.0 inches); very dark grayish brown (10YR 3/2) and dark grayish brown (10YR 4/2) silt loam; 1 percent dark brown (10YR 3/3) fine faint and 1 percent dark yellowish brown (10YR 4/4) fine distinct mottles; weak medium platy parts to moderate fine granular structure; friable; 3.0 roots between peds; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL27198
    B1t—38 to 56 centimeters (15.0 to 22.0 inches); dark grayish brown (10YR 4/2) silty clay loam; 1 percent brown (10YR 4/3) fine faint and 1 percent brown (7.5YR 4/4) fine distinct mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; friable; 3.0 roots between peds; faint very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds and distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; faint iron-manganese masses in matrix; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL27199. discontinuous - phpvsfiid 460257; discontinuous - phpvsfiid 460257
    B21t—56 to 71 centimeters (22.0 to 28.0 inches); dark grayish brown (10YR 4/2) silty clay loam; 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate medium prismatic structure; friable; 0.6 roots between peds; faint dark gray (10YR 4/1), moist, clay films on all faces of peds and distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; faint iron-manganese masses in matrix; fragments; strongly alkaline, pH 8.7; clear smooth boundary. Lab sample # IL27200. patchy - phpvsfiid 460259; patchy - phpvsfiid 460259
    B22t—71 to 104 centimeters (28.0 to 40.9 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic structure; firm; 0.6 roots between peds; distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; distinct iron-manganese masses in matrix; fragments; strongly alkaline, pH 8.7; clear smooth boundary. Lab sample # IL27201, IL27202. patchy - phpvsfiid 460261; patchy - phpvsfiid 460261
    B23t—104 to 132 centimeters (40.9 to 52.0 inches); gray (10YR 5/1) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate coarse prismatic structure; firm; distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and distinct very dark gray (10YR 3/1), moist, organoargillans on surfaces along root channels; distinct iron-manganese masses in matrix; fragments; strongly alkaline, pH 8.7; clear smooth boundary. Lab sample # IL27203, IL27204
    B3t—132 to 168 centimeters (52.0 to 66.1 inches); gray (10YR 5/1) silty clay loam; 1 percent dark reddish brown (5YR 3/3) fine prominent and 1 percent strong brown (7.5YR 5/8) fine prominent mottles; weak coarse prismatic structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; distinct iron-manganese masses in matrix; fragments; moderately alkaline, pH 8.1. Lab sample # IL27205, IL27206. patchy - phpvsfiid 460264; patchy - phpvsfiid 460264