IDENTIFIERS

  • Current Taxon Name (Soil Name): Swygert
  • OSD
  • Series Extent
  • User Site ID: 1978IL075005
  • User Pedon ID: 1978IL075005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL075005
  • NCSS Pedon Lab Data NASIS Record ID - 21092
  • 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: 40.9351170
  • Std. Longitude: -87.6228439
  • Datum: WGS84
  • Township: 28N
  • Range: 11W
  • Section: 8
  • PLSS Details: 150 feet S & 1420 feet W of NE corner
  • State: Illinois
  • County: IL075—Iroquois
  • MLRA: 98—Southern Michigan and Northern Indiana Drift Plains
  • Non-MLRA Soil Survey Area: IL075—Iroquois County, Illinois
  • 7.5 Minute USGS Quad: 40087-H5—Donovan, Illinois
  • PEDON

  • Describers Name: LMK, DJF
  • Current Taxonomic Class: Fine, mixed, active, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Swygert
  • PSC - 23 to 73 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Elliott
  • Classificaton Date - 9/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: silty clay lacustrine over Wisconsinan calcareous clayey till
  • Landscape: till plain
  • Landform: ground moraine
  • Slope Shape Across: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—23

    23—152

    —-

    —-

    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

    203

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; silty clay loam; weak very fine granular structure; friable; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL25536
    B1t—23 to 38 centimeters (9.1 to 15.0 inches); very dark gray (10YR 3/1) and dark grayish brown (10YR 4/2) silty clay; weak medium prismatic parts to moderate very fine subangular blocky structure; very firm; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL25537
    B21t—38 to 56 centimeters (15.0 to 22.0 inches); light olive brown (2.5Y 5/4) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; very firm; 25 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds and 50 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL25538. discontinuous - phpvsfiid 480200; continuous - phpvsfiid 480199; discontinuous - phpvsfiid 480200; continuous - phpvsfiid 480199
    IIB22t—56 to 79 centimeters (22.0 to 31.1 inches); light olive brown (2.5Y 5/4) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct and 25 percent gray (5YR 6/1) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm; 25 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and 50 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25539. continuous - phpvsfiid 480203; continuous - phpvsfiid 480204; continuous - phpvsfiid 480203; continuous - phpvsfiid 480204
    IIB23t—79 to 91 centimeters (31.1 to 35.8 inches); light olive brown (2.5Y 5/4) silty clay loam; 10 percent gray (5Y 6/1) fine distinct and 25 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate coarse prismatic parts to weak medium subangular blocky structure; firm; 25 percent prominent dark gray (10YR 4/1), moist, organoargillans on surfaces along root channels and 50 percent faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25540. discontinuous - phpvsfiid 480202; continuous - phpvsfiid 480201; discontinuous - phpvsfiid 480202; continuous - phpvsfiid 480201
    IIB24t—91 to 130 centimeters (35.8 to 51.2 inches); light olive brown (2.5Y 5/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine distinct and 25 percent gray (5Y 6/1) medium distinct mottles; moderate coarse prismatic parts to weak medium subangular blocky structure; firm; 25 percent faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25541. continuous - phpvsfiid 480205; continuous - phpvsfiid 480205
    IIB3t—130 to 152 centimeters (51.2 to 59.8 inches); light olive brown (2.5Y 5/4) silty clay loam; 25 percent yellowish brown (10YR 5/4) medium distinct mottles; weak coarse prismatic structure; firm; 25 percent prominent gray (5Y 6/1), moist, clay films on all faces of peds; 1 percent prominent masses of oxidized iron in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25542. discontinuous - phpvsfiid 480206; discontinuous - phpvsfiid 480206
    IIC—152 to 190 centimeters (59.8 to 74.8 inches); variegated light olive brown (2.5Y 5/4) and gray (5Y 6/1) and yellowish brown (10YR 5/4) silty clay loam; structureless massive; firm; prominent masses of oxidized iron in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1. Lab sample # IL25543