IDENTIFIERS

  • Current Taxon Name (Soil Name): Harpster
  • OSD
  • Series Extent
  • User Site ID: 1983IL183036
  • User Pedon ID: 1983IL183036
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - LIMS
  • Lab Pedon # - 83IL183036
  • NCSS Pedon Lab Data NASIS Record ID - 21659
  • Print Date: 5/11/2024

    • 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: 39.9805250
  • Std. Longitude: -87.8578278
  • Datum: WGS84
  • Township: 18N
  • Range: 13W
  • Section: 32
  • PLSS Details: 650 feet south and 1000 feet east of the northwest corner
  • Map Unit: 67A—Harpster silty clay loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL183—Vermilion
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: 11—Indianapolis, IN
  • MLRA Soil Survey Area: NC-AUR—Aurora, Illinois
  • Non-MLRA Soil Survey Area: IL183—Vermilion County, Illinois
  • 7.5 Minute USGS Quad: 39087-H7—Sidell, Illinois

    • PEDON

  • Describers Name: CEW
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Calciaquolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Pedon #: 36
  • Correlated Information:
  • Soil Name - Harpster
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/18/2014
  • 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 - 7/1/1983
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous loess over outwash
  • Landscape: till plain
  • Landform: depression
  • Hill Slope Profile: toeslope
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: frequent ponding for brief periods
  • Surface Fragments:
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1983 (actual site observation date)
  • Data Collector: CEW
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    calcic horizon

    aquic conditions

    cambic horizon

    0—30

    0—51

    30—152

    51—104

    —30—

    —51—

    —122—

    —53—
    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

    —

    —

    205

    —

    1031

    —

    169

    11.4

    —

    —

    —

    —

    —

    —

    —

    112140

    Danville, IL

    —
    Akp—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; weak very fine granular structure; friable; 8 percent fine shell fragments throughout and 8 percent fine irregular carbonate concretions throughout; fragments; violent effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # IL30388
    Ak—20 to 30 centimeters (7.9 to 11.8 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; moderate fine granular structure; friable; 8 percent fine shell fragments throughout and 8 percent fine irregular carbonate concretions throughout; fragments; violent effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # IL30389
    BAk—30 to 51 centimeters (11.8 to 20.1 inches); dark gray (10YR 4/1) silty clay loam; moderate fine subangular blocky structure; friable; 50 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 8 percent fine shell fragments throughout and 8 percent fine irregular carbonate concretions throughout; fragments; violent effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL30390
    Bg1—51 to 66 centimeters (20.1 to 26.0 inches); dark gray (10YR 4/1) silty clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 40 percent faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 25 percent fine distinct yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix; 1 percent fine irregular carbonate concretions; fragments; slight effervescence; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL30391
    Bg2—66 to 89 centimeters (26.0 to 35.0 inches); gray (2.5Y 5/1) silty clay loam; moderate medium prismatic structure; firm; 30 percent faint gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent medium prominent yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix; 1 percent fine irregular carbonate concretions throughout; fragments; slight effervescence; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL30392
    BCg—89 to 104 centimeters (35.0 to 40.9 inches); gray (2.5Y 6/1) silt loam; weak medium prismatic structure; friable; 15 percent gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 1 percent fine irregular carbonate concretions throughout; fragments; strong effervescence; moderately alkaline, pH 7.9; diffuse smooth boundary. Lab sample # IL30393
    2Cg—104 to 152 centimeters (40.9 to 59.8 inches); gray (2.5Y 6/1) silt loam; structureless massive; friable; 25 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 1 percent fine irregular carbonate concretions; 1 percent by volume subrounded ? to 3-? millimeter mixed fragments; strong effervescence; moderately alkaline, pH 8.0. Lab sample # IL30394