IDENTIFIERS

  • Current Taxon Name (Soil Name): Alford
  • OSD
  • Series Extent
  • User Site ID: 1981IL133027
  • User Pedon ID: 1981IL133027
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL133027
  • NCSS Pedon Lab Data NASIS Record ID - 21361
  • Print Date: 1/31/2025

    • 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: 38.3771835
  • Std. Longitude: -90.2551553
  • Datum: WGS84
  • Township: 2S
  • Range: 10W
  • Section: 7
  • PLSS Details: 760 feet east and 2200 feet south of the northwest corner
  • State: Illinois
  • County: IL133—Monroe
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL133—Monroe County, Illinois

    • PEDON

  • Describers Name: SKH
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Ultic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 27
  • Correlated Information:
  • Soil Name - Alford
  • PSC - 23 to 73 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - St. Charles
  • Classificaton Date - 8/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess over outwash
  • Landscape: outwash plain
  • Landform: stream terrace
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1981 (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—23

    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

    3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; silt loam; moderate medium granular structure; friable; 3.0 very fine roots between peds; fragments; slightly acid, pH 6.3, lamotte-morgan; abrupt smooth boundary. Lab sample # IL28341
    B1t—23 to 38 centimeters (9.1 to 15.0 inches); dark yellowish brown (10YR 4/4) silt loam; weak medium prismatic parts to moderate medium angular blocky structure; friable; 0.6 very fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL28342. patchy - phpvsfiid 460707; patchy - phpvsfiid 460707
    B21t—38 to 56 centimeters (15.0 to 22.0 inches); brown (7.5YR 4/4) silt loam; weak medium prismatic parts to moderate medium angular blocky structure; friable; 0.6 very fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL28343. discontinuous - phpvsfiid 460708; discontinuous - phpvsfiid 460708
    B22t—56 to 76 centimeters (22.0 to 29.9 inches); brown (7.5YR 4/4) silty clay loam; moderate medium prismatic parts to moderate medium angular blocky structure; friable; 0.6 very fine roots between peds; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL28344. discontinuous - phpvsfiid 460709; discontinuous - phpvsfiid 460709
    B23t—76 to 114 centimeters (29.9 to 44.9 inches); brown (7.5YR 4/4) silty clay loam; moderate medium prismatic parts to moderate medium angular blocky structure; friable; 0.6 very fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds and prominent white (10YR 8/1), dry, silt coats on all faces of peds; 1 percent medium prominent iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL28345, IL28346. discontinuous - phpvsfiid 460710; discontinuous - phpvsfiid 460711; discontinuous - phpvsfiid 460710; discontinuous - phpvsfiid 460711
    B3t—114 to 152 centimeters (44.9 to 59.8 inches); brown (7.5YR 4/4) silty clay loam; moderate medium prismatic structure; friable; 0.6 very fine roots between peds; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent medium prominent iron-manganese masses in matrix; fragments; slightly acid, pH 6.3, lamotte-morgan. Lab sample # IL28347. patchy - phpvsfiid 460712; patchy - phpvsfiid 460712