IDENTIFIERS

  • Current Taxon Name (Soil Name): Grantfork
  • OSD
  • Series Extent
  • User Site ID: 1978IL157052
  • User Pedon ID: 1978IL157052
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL157052
  • NCSS Pedon Lab Data NASIS Record ID - 21073
  • Print Date: 9/24/2024

    • 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: 38.2114504
  • Std. Longitude: -89.6382854
  • Datum: WGS84
  • Township: 4S
  • Range: 5W
  • Section: 3
  • PLSS Details: 500 feet S & 90 feet E of center
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 38089-B6—Tilden, Illinois

    • PEDON

  • Describers Name: CM, LV, ML
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aeric Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 52
  • Correlated Information:
  • Soil Name - Grantfork
  • PSC - 18 to 68 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Walshville
  • Classificaton Date - 12/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty pedisediment over Ilinoian till with strongly developed Sangamon age paleosol
  • Landscape: till plain
  • Landform: drainageway, hillslope
  • Runoff: high
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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—10

    18—168

    —-

    —-
    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

    12

    —

    —

    151

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) silt loam; moderate medium granular parts to weak medium platy structure; friable; 3.0 roots between peds; fragments; slightly acid, pH 6.2, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26181; observed in push tube
    B1—10 to 18 centimeters (3.9 to 7.1 inches); brown (10YR 5/3) silt loam; moderate medium subangular blocky structure; firm; 3.0 roots between peds; fragments; very strongly acid, pH 5.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26182; observed in push tube
    B21t—18 to 33 centimeters (7.1 to 13.0 inches); light brownish gray (10YR 6/2) silt loam; 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate medium subangular blocky structure; firm; 3.0 roots between peds; fragments; strongly acid, pH 5.2, lamotte-morgan; clear smooth boundary. Lab sample # IL26183; observed in push tube
    B22t—33 to 61 centimeters (13.0 to 24.0 inches); light brownish gray (10YR 6/2) silty clay loam; 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate medium prismatic structure; very firm; 0.6 roots between peds; distinct light gray (10YR 7/1), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.6, lamotte-morgan; gradual smooth boundary. Lab sample # IL26184, IL26185; observed in push tube. Horizon split for sampling: IL26184 33 to 46 cm, IL26185 48 to 61 cm.; continuous - phpvsfiid 480514; continuous - phpvsfiid 480514
    B23t—61 to 86 centimeters (24.0 to 33.9 inches); light brownish gray (10YR 6/2) silty clay loam; 10 percent strong brown (7.5YR 5/8) medium prominent mottles; moderate medium prismatic structure; very firm; 0.6 roots between peds; distinct light gray (10YR 7/1), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.8, lamotte-morgan; clear smooth boundary. Lab sample # IL26186, IL26187; observed in push tube. Horizon split for sampling: IL26186 61 to 74 cm, IL26187 76 to 86 cm.; continuous - phpvsfiid 480518; continuous - phpvsfiid 480518
    B24t—86 to 102 centimeters (33.9 to 40.2 inches); light gray (10YR 7/1) stratified stratified silty clay loam; 1 percent dark brown (7.5YR 3/4) fine prominent mottles; weak coarse subangular blocky structure; very firm; distinct light brownish gray (10YR 6/2), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.8, lamotte-morgan; clear smooth boundary. Lab sample # IL26188; observed in push tube. patchy - phpvsfiid 480519; patchy - phpvsfiid 480519
    B25t—102 to 109 centimeters (40.2 to 42.9 inches); light gray (10YR 7/1) silty clay loam; 10 percent dark brown (7.5YR 3/4) fine prominent mottles; moderate medium prismatic structure; very firm; distinct light brownish gray (10YR 6/2), moist, clay films on all faces of peds; 10 percent prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.5, lamotte-morgan; gradual smooth boundary. Lab sample # IL26189; observed in push tube. patchy - phpvsfiid 480515; patchy - phpvsfiid 480515
    IIB26tb—109 to 137 centimeters (42.9 to 53.9 inches); light gray (10YR 7/1) clay loam; 10 percent dark brown (7.5YR 3/4) fine prominent mottles; moderate coarse prismatic structure; very firm; distinct dark brown (7.5YR 3/4), moist, clay films on all faces of peds and prominent dark brown (7.5YR 3/4), moist, organoargillans on surfaces along root channels; 10 percent prominent iron-manganese concretions in matrix; 10 percent by volume rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan; gradual smooth boundary. Lab sample # IL26190; observed in push tube. continuous - phpvsfiid 480516; continuous - phpvsfiid 480516
    IIB27tb—137 to 168 centimeters (53.9 to 66.1 inches); light gray (10YR 7/1) clay loam; 10 percent dark brown (7.5YR 3/4) medium prominent mottles; moderate coarse prismatic structure; very firm; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent prominent iron-manganese concretions in matrix; 10 percent by volume rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan. Lab sample # IL26191; observed in push tube. continuous - phpvsfiid 480513; continuous - phpvsfiid 480513