IDENTIFIERS

  • Current Taxon Name (Soil Name): Harpster
  • OSD
  • Series Extent
  • User Site ID: 1958IL075001
  • User Pedon ID: 1958IL075001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 58IL075001
  • NCSS Pedon Lab Data NASIS Record ID - 20472
  • Print Date: 5/12/2024
  • 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: 40.7076389
  • Std. Longitude: -87.8028833
  • Datum: WGS84
  • Township: 26N
  • Range: 13W
  • Section: 26
  • PLSS Details: 1940 feet south and 15 feet east of the northwest corner
  • Location Description: 700 feet north of the SW corner of the NW 160 in a fence row
  • State: Illinois
  • County: IL075—Iroquois
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL075—Iroquois County, Illinois
  • 7.5 Minute USGS Quad: 40087-F7—Woodworth, Illinois
  • PEDON

  • Describers Name: RTO, DBF
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Calciaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Harpster
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Harpster
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Calciaquolls
  • Taxon Kind - series
  • Classificaton Date - 10/1/1958
  • Classifier - RTO and JBF
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: calcareous outwash over clayey drift
  • Landform: outwash plain
  • Hill Slope Profile: toeslope
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1958 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    calcic horizon

    cambic horizon

    0—43

    0—43

    43—99

    —43—

    —43—

    —56—

    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

    0.5

    200

    Ak1—0 to 28 centimeters (0.0 to 11.0 inches); black (10YR 2/1) clay loam; moderate fine granular structure; friable; 6.0 fine roots; 25 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # IL18229
    Ak2—28 to 43 centimeters (11.0 to 16.9 inches); very dark gray (10YR 3/1) clay loam; moderate medium granular structure; friable; 0.6 fine roots; 25 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL18230
    BAg—43 to 56 centimeters (16.9 to 22.0 inches); dark grayish brown (2.5Y 4/2) loam; moderate medium angular blocky structure; firm; 25 percent very dark gray (10YR 3/1), moist, worm casts; fragments; slight effervescence; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL18231
    Bg—56 to 81 centimeters (22.0 to 31.9 inches); grayish brown (2.5Y 5/2) loam; moderate medium prismatic structure; firm; 10 percent medium distinct yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix and 10 percent medium faint gray (10YR 5/1), moist, iron depletions in matrix; fragments; slight effervescence; moderately alkaline, pH 8.1; clear wavy boundary. Lab sample # IL18232
    BCg—81 to 99 centimeters (31.9 to 39.0 inches); grayish brown (2.5Y 5/2) silty clay loam; weak medium angular blocky structure; firm; 10 percent medium distinct yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix and 25 percent medium faint light brownish gray (2.5Y 6/2), moist, iron depletions in matrix; fragments; slight effervescence; moderately alkaline, pH 8.1; abrupt wavy boundary. Lab sample # IL18233
    Cg1—99 to 114 centimeters (39.0 to 44.9 inches); light brownish gray (10YR 6/2) loam; structureless massive; friable; 25 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; fragments; slight effervescence; moderately alkaline, pH 8.1; abrupt wavy boundary. Lab sample # IL18234
    Cg2—114 to 135 centimeters (44.9 to 53.1 inches); grayish brown (10YR 5/2) silty clay loam; structureless massive; firm; 10 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 25 percent gray (10YR 6/1), moist, carbonate concretions in cracks; fragments; slight effervescence; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # IL18235
    Cg3—135 to 145 centimeters (53.1 to 57.1 inches); light brownish gray (10YR 6/2) very fine sandy loam; structureless massive; friable; 25 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix; fragments; slight effervescence; moderately alkaline, pH 8.1; abrupt smooth boundary. Lab sample # IL18236
    2C—145 to 157 centimeters (57.1 to 61.8 inches); brown (10YR 5/3) silty clay; structureless massive; firm; 1 percent fine prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix and 10 percent fine distinct gray (10YR 6/1), moist, iron depletions in matrix; fragments; slight effervescence; moderately alkaline, pH 8.0. Lab sample # IL18237