IDENTIFIERS

  • Current Taxon Name (Soil Name): Harpster
  • OSD
  • Series Extent
  • User Site ID: 1958IL019001
  • User Pedon ID: 1958IL019001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 58IL019001
  • NCSS Pedon Lab Data NASIS Record ID - 20470
  • 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: 39.9304528
  • Std. Longitude: -88.0269222
  • Datum: WGS84
  • Township: 17N
  • Range: 10E
  • Section: 13
  • PLSS Details: 431 feet east and 2640 feet south of the northwest corner
  • Location Description: 431 feet east of the southwest corner of the NW 160 in a fence row
  • State: Illinois
  • County: IL019—Champaign
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL019—Champaign County, Illinois
  • 7.5 Minute USGS Quad: 39088-H1—Longview, Illinois

    • PEDON

  • Describers Name: RTO, RHB, DB
  • Current Taxonomic Class: Fine-silty, mixed, superactive, calcareous, mesic Typic Endoaquolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • 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
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous loess over outwash
  • 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

    cambic horizon

    0—51

    51—81

    —51—

    —30—
    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

    —

    —

    210

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ak1—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) silty clay loam; moderate fine granular structure; firm; 6.0 fine roots; 25 percent shell fragments throughout; fragments; slight effervescence; slightly alkaline, pH 7.7; diffuse smooth boundary. Lab sample # IL18220
    Ak2—18 to 36 centimeters (7.1 to 14.2 inches); black (2.5Y 2/1) silty clay loam; weak medium granular structure; firm; 6.0 fine roots; 25 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL18221
    Ak3—36 to 51 centimeters (14.2 to 20.1 inches); very dark gray (2.5Y 3/1) silty clay loam; weak fine subangular blocky parts to weak medium granular structure; firm; 25 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # IL18222
    BAg—51 to 61 centimeters (20.1 to 24.0 inches); dark gray (2.5Y 4/1) silty clay loam; weak fine angular blocky structure; firm; 10 percent fine prominent yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix; 1 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL18223
    Bg—61 to 81 centimeters (24.0 to 31.9 inches); dark gray (2.5Y 4/1) silty clay loam; moderate fine prismatic parts to moderate fine angular blocky structure; firm; 25 percent fine prominent yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix; 1 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 8.1; abrupt wavy boundary. Lab sample # IL18224
    Cg1—81 to 102 centimeters (31.9 to 40.2 inches); grayish brown (2.5Y 5/2) silt loam; structureless massive; friable; 25 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 25 percent light gray (10YR 7/2), moist, carbonate concretions in cracks; fragments; slight effervescence; moderately alkaline, pH 8.2; clear wavy boundary. Lab sample # IL18225
    Cg2—102 to 127 centimeters (40.2 to 50.0 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 light gray (10YR 7/2), moist, carbonate concretions in cracks; fragments; slight effervescence; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # IL18226
    Cg3—127 to 150 centimeters (50.0 to 59.1 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; 25 percent light gray (10YR 7/1), moist, carbonate concretions in cracks; fragments; slight effervescence; moderately alkaline, pH 8.2; abrupt wavy boundary. Lab sample # IL18227
    2C—150 to 165 centimeters (59.1 to 65.0 inches); yellowish brown (10YR 5/4) loam; structureless massive; friable; 10 percent fine distinct gray (10YR 6/1), moist, iron depletions in matrix; 1 percent shell fragments throughout; fragments; slight effervescence; moderately alkaline, pH 8.2. Lab sample # IL18228