IDENTIFIERS

  • Current Taxon Name (Soil Name): Grantfork
  • OSD
  • Series Extent
  • User Site ID: S1989IL025022
  • User Pedon ID: 89IL025022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0007
  • NCSS Pedon Lab Data NASIS Record ID - 61940
  • Print Date: 4/19/2025

    • 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: 38.6661110
  • Std. Longitude: -88.4483337
  • Datum: WGS84
  • Township: 3N
  • Range: 7E
  • Section: 29
  • PLSS Details: Approximately 1260 feet N and 2540 feet W of the SW corner
  • Location Description: Stanford Twp.
  • State: Illinois
  • County: IL025—Clay
  • MLRA: 113—Central Claypan Areas

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Aeric Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - Grantfork
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Grantfork
  • Taxonomic Class - Fine-loamy, mixed, mesic, sloping Aeric Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 5/1/1989
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1989 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—15

    15—152

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    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

    8

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    —

    —

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; clay loam; moderate fine subangular blocky, and weak medium granular structure; friable; 0.5 very fine roots; 55 percent distinct dark brown (10YR 3/3) organic stains on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; abrupt boundary. Lab sample # 90P00057. common mixing of (10YR 5/3) clay loam from below; many organic coats surface features on faces of peds; few very fine roots
    Bt—15 to 23 centimeters (5.9 to 9.1 inches); brown (10YR 5/3) clay loam; 11 percent yellowish red (5YR 4/6) fine prominent and 11 percent yellowish brown (10YR 5/4) medium faint and 30 percent light brownish gray (10YR 6/2) fine and medium faint mottles; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 15 percent distinct dark brown (10YR 3/3), moist, organic stains on faces of peds and 37 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds and 37 percent distinct light gray (10YR 7/2), moist, coats on faces of peds; 1 percent fine spherical iron-manganese masses; 1 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear boundary. Lab sample # 90P00058. few fine soft masses of iron-manganese concentrations; common clay films surface features on faces of peds; few organic coats surface features on faces of peds; common coats surface features on faces of peds; few very fine roots; common fine prominent 5YR46 mottles; common medium faint 10YR54 mottles; many fine and medium faint 10YR62 mottles
    Btg1—23 to 38 centimeters (9.1 to 15.0 inches); light brownish gray (10YR 6/2) clay loam; 11 percent yellowish red (5YR 4/6) fine prominent and 11 percent yellowish brown (10YR 5/8) medium prominent and 30 percent yellowish brown (10YR 5/4) medium distinct mottles; moderate medium prismatic structure; firm; 37 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 55 percent faint grayish brown (10YR 5/2), moist, clay films on faces of peds; 11 percent fine spherical iron-manganese masses; 2 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear boundary. Lab sample # 90P00059. common fine soft masses of iron-manganese concentrations; many clay films surface features on faces of peds; common clay films surface features on faces of peds; common fine prominent 5YR46 mottles; common medium prominent 10YR58 mottles; many medium distinct 10YR54 mottles
    Btg2—38 to 66 centimeters (15.0 to 26.0 inches); light brownish gray (10YR 6/2) clay loam; 11 percent yellowish red (5YR 4/6) fine prominent and 30 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium and coarse prismatic, and moderate coarse subangular blocky structure; firm; 2 percent distinct dark gray (10YR 4/1), moist, clay films in root channels and/or pores and 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 55 percent faint grayish brown (10YR 5/2), moist, clay films on faces of peds; 11 percent fine spherical iron-manganese masses; 3 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; clear boundary. Lab sample # 90P00060. common fine soft masses of iron-manganese concentrations; many clay films surface features on faces of peds; few clay films surface features on faces of peds; very few clay films surface features in root channels and/or pores; common fine prominent 5YR46 mottles; many medium prominent 7.5YR56 mottles
    Btg3—66 to 91 centimeters (26.0 to 35.8 inches); gray (10YR 6/1) clay loam; 30 percent yellowish brown (10YR 5/4) medium distinct and 30 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate coarse prismatic, and moderate coarse subangular blocky structure; firm; 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 55 percent faint gray (10YR 5/1), moist, clay films on faces of peds; 11 percent fine spherical iron-manganese masses; 11 percent coarse irregular carbonate masses; 3 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.6, hellige-truog; abrupt boundary. Lab sample # 90P00061. common coarse soft masses of carbonate concentrations; common fine soft masses of iron-manganese concentrations; many clay films surface features on faces of peds; few clay films surface features on faces of peds; many medium distinct 10YR54 mottles; many medium prominent 7.5YR56 mottles
    2Btg4—91 to 135 centimeters (35.8 to 53.1 inches); strong brown (7.5YR 5/6) clay loam; 30 percent light brownish gray (2.5Y 6/2) medium prominent mottles; moderate coarse prismatic, and moderate coarse subangular blocky structure; firm; 37 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 55 percent prominent dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 11 percent fine spherical iron-manganese masses; 1 percent fine irregular carbonate masses; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual boundary. Lab sample # 90P00062. few fine soft masses of carbonate concentrations; common fine soft masses of iron-manganese concentrations; many clay films surface features on faces of peds; common manganese or iron-manganese stains surface features on faces of peds; many medium prominent 2.5Y62 mottles
    2BC—135 to 152 centimeters (53.1 to 59.8 inches); yellowish brown (10YR 5/6) clay loam; weak coarse prismatic structure; firm; 15 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 37 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 11 percent fine spherical iron-manganese masses; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 90P00063. common fine soft masses of iron-manganese concentrations; common clay films surface features on faces of peds; few manganese or iron-manganese stains surface features on faces of peds