IDENTIFIERS

  • Current Taxon Name (Soil Name): Alford
  • OSD
  • Series Extent
  • User Site ID: 1979IL133006
  • User Pedon ID: 1979IL133006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 79IL133006
  • NCSS Pedon Lab Data NASIS Record ID - 21085
  • 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: 38.4463409
  • Std. Longitude: -90.2127540
  • Datum: WGS84
  • Township: 1S
  • Range: 10W
  • Section: 16
  • PLSS Details: 2100 feet E & 3650 feet S of NW corner
  • State: Illinois
  • County: IL133—Monroe
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL133—Monroe County, Illinois
  • 7.5 Minute USGS Quad: 38090-D2—Columbia, Illinois

    • PEDON

  • Describers Name: SKH, PEO
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Ultic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Alford
  • PSC - 23 to 73 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Alford
  • Classificaton Date - 11/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess
  • Landform: loess hill
  • Runoff: very high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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—13

    23—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

    23

    —

    —

    136

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) silt loam; moderate fine granular structure; friable; 0.6 fine roots between peds; fragments; neutral, pH 7.0, pH meter; clear smooth boundary. Lab sample # IL26482; observed in push tube
    B1—13 to 23 centimeters (5.1 to 9.1 inches); brown (7.5YR 4/4) silt loam; moderate fine subangular blocky structure; friable; 0.6 fine roots between peds; fragments; slightly acid, pH 6.3, pH meter; clear smooth boundary. Lab sample # IL26483; observed in push tube
    B21t—23 to 41 centimeters (9.1 to 16.1 inches); brown (7.5YR 4/4) silt loam; weak fine subangular blocky structure; friable; 0.6 fine roots between peds; 10 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3, pH meter; clear smooth boundary. Lab sample # IL26484; observed in push tube. patchy - phpvsfiid 480360; patchy - phpvsfiid 480360
    B22t—41 to 58 centimeters (16.1 to 22.8 inches); brown (7.5YR 4/4) silt loam; moderate fine subangular blocky structure; friable; 0.6 fine roots between peds; 10 percent distinct brown (7.5YR 4/2), moist, clay films on all faces of peds; fragments; neutral, pH 7.0, pH meter; gradual smooth boundary. Lab sample # IL26485; observed in push tube. patchy - phpvsfiid 480362; patchy - phpvsfiid 480362
    B23t—58 to 102 centimeters (22.8 to 40.2 inches); brown (7.5YR 4/4) silt loam; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 0.6 fine roots between peds; 25 percent faint brown (7.5YR 4/2), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3, pH meter; gradual smooth boundary. Lab sample # IL26486, IL26487; observed in push tube. Horizon split for sampling: IL26486 58 to 79 cm, IL26487 79 to 102 cm.; discontinuous - phpvsfiid 480361; discontinuous - phpvsfiid 480361
    B3t—102 to 152 centimeters (40.2 to 59.8 inches); brown (7.5YR 4/4) silt loam; moderate medium subangular blocky structure; friable; 0.6 fine roots between peds; 10 percent faint brown (7.5YR 4/2), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3, pH meter. Lab sample # IL26488, IL26489; observed in push tube. Horizon split for sampling: IL26488 102 to 127 cm, IL26489 127 to 152 cm.; patchy - phpvsfiid 480363; patchy - phpvsfiid 480363