IDENTIFIERS

  • Current Taxon Name (Soil Name): Grantfork
  • OSD
  • Series Extent
  • User Site ID: 1989IL189029
  • User Pedon ID: 1989IL189029
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 89IL189029
  • NCSS Pedon Lab Data NASIS Record ID - 22198
  • Print Date: 2/16/2025

    • 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: 38.5022972
  • Std. Longitude: -89.1542528
  • Datum: WGS84
  • Township: 1N
  • Range: 1W
  • Section: 25
  • PLSS Details: 520 feet south and 2360 feet east of the northwest corner
  • State: Illinois
  • County: IL189—Washington
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL189—Washington County, Illinois

    • PEDON

  • Describers Name: K.D.B. M.R.G. W.M.M.
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aeric Epiaqualfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 29
  • Correlated Information:
  • Soil Name - Grantfork
  • PSC - 15 to 65 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Grantfork
  • Classificaton Date - 3/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Illinoian till
  • Landscape: upland, till plain
  • Geomorphic Component Hills: side slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1989 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—15

    15—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

    9

    —

    —

    144.8

    —

    —

    —

    —

    —

    —

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    —

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) silt loam; weak fine granular structure; friable; 1 percent by volume mixed fragments; moderately acid, pH 5.6, lamotte-morgan; abrupt smooth boundary. Lab sample # IL34597
    Bt—15 to 43 centimeters (5.9 to 16.9 inches); brown (10YR 5/3) clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic parts to moderate fine subangular blocky parts to moderate medium subangular blocky structure; friable; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent fine distinct iron depletions in matrix; 3 percent by volume mixed fragments; strongly acid, pH 5.4, lamotte-morgan; clear smooth boundary. Lab sample # IL34598. continuous - phpvsfiid 428027; continuous - phpvsfiid 428027
    2Btg1—43 to 71 centimeters (16.9 to 28.0 inches); grayish brown (10YR 5/2) clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 1 percent fine distinct iron depletions in matrix; 1 percent by volume mixed fragments; neutral, pH 6.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34599. continuous - phpvsfiid 428032; continuous - phpvsfiid 428032
    2Btg2—71 to 102 centimeters (28.0 to 40.2 inches); grayish brown (10YR 5/2) clay loam; 10 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent fine distinct iron depletions in matrix; 3 percent by volume mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan; gradual smooth boundary. Lab sample # IL34600. continuous - phpvsfiid 428028; patchy - phpvsfiid 428029; continuous - phpvsfiid 428028; patchy - phpvsfiid 428029
    2Btg3—102 to 147 centimeters (40.2 to 57.9 inches); light brownish gray (10YR 6/2) loam; 10 percent strong brown (7.5YR 4/6) fine prominent mottles; weak coarse prismatic structure; friable; distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent fine prominent iron depletions in matrix; 14 percent by volume mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34601, IL34602. Horizon split for sampling: IL34602 124 to 147 cm, IL34601 102 to 124 cm.; continuous - phpvsfiid 428025; patchy - phpvsfiid 428026; continuous - phpvsfiid 428025; patchy - phpvsfiid 428026
    2Btg4—147 to 152 centimeters (57.9 to 59.8 inches); light brownish gray (10YR 6/2) clay loam; 10 percent reddish yellow (7.5YR 6/8) fine prominent mottles; weak coarse prismatic structure; friable; distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds and distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent fine distinct iron depletions in matrix; 4 percent by volume mixed fragments; slightly alkaline, pH 7.8, lamotte-morgan. Lab sample # IL34603. discontinuous - phpvsfiid 428030; patchy - phpvsfiid 428031; discontinuous - phpvsfiid 428030; patchy - phpvsfiid 428031