IDENTIFIERS

  • Current Taxon Name (Soil Name): Alford
  • OSD
  • Series Extent
  • User Site ID: 1971IL163001
  • User Pedon ID: 1971IL163001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 71IL163001
  • NCSS Pedon Lab Data NASIS Record ID - 20728
  • 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: 38.6090637
  • Std. Longitude: -89.9876637
  • Datum: WGS84
  • Township: 2N
  • Range: 8W
  • Section: 21
  • Location Description: On narrow ridge in pasture
  • State: Illinois
  • County: IL163—St. Clair
  • Non-MLRA Soil Survey Area: IL163—St. Clair County, Illinois
  • 7.5 Minute USGS Quad: 38089-E8—OFallon, Illinois

    • PEDON

  • Describers Name: GOW, JDA, RLG, DRG, DBP, DLW
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Ultic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Alford
  • PSC - 25 to 75 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Alford
  • Classificaton Date - 10/1/1971
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1971 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • 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

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    —

    177

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) silt loam; weak fine granular structure; friable; 3.0 roots; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # IL23492
    A2—15 to 25 centimeters (5.9 to 9.8 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4) silt loam; weak thin platy, and moderate fine subangular blocky structure; friable; 3.0 roots; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL23493
    B21t—25 to 38 centimeters (9.8 to 15.0 inches); yellowish brown (10YR 5/6) silty clay loam; moderate medium subangular blocky structure; friable; 3.0 roots; yellowish brown (10YR 5/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL23494. continuous - phpvsfiid 464618; continuous - phpvsfiid 464618
    B22t—38 to 56 centimeters (15.0 to 22.0 inches); yellowish brown (10YR 5/6) silty clay loam; weak fine prismatic, and moderate medium subangular blocky structure; firm; 3.0 roots; brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL23495. continuous - phpvsfiid 464619; continuous - phpvsfiid 464619
    B23t—56 to 81 centimeters (22.0 to 31.9 inches); yellowish brown (10YR 5/4) silty clay loam; weak medium prismatic, and moderate medium subangular blocky structure; firm; 0.6 roots; dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL23496. continuous - phpvsfiid 464620; continuous - phpvsfiid 464620
    B31—81 to 104 centimeters (31.9 to 40.9 inches); variegated yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) silty clay loam; weak coarse prismatic, and moderate medium angular blocky structure; firm; 0.6 roots; dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 10 percent light brownish gray (10YR 6/2), dry, silt coats on all faces of peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL23497. continuous - phpvsfiid 464621; continuous - phpvsfiid 464621
    B32—104 to 127 centimeters (40.9 to 50.0 inches); light yellowish brown (10YR 6/4) silt loam; 1 percent yellowish brown (10YR 5/8) fine distinct and 25 percent light brownish gray (10YR 6/2) medium distinct mottles; weak medium angular blocky structure; friable; yellowish brown (10YR 5/4), dry, silt coats on all faces of peds; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL23498
    C—127 to 178 centimeters (50.0 to 70.1 inches); yellowish brown (10YR 5/4) silt loam; friable; yellowish brown (10YR 5/6), dry, and yellowish brown (10YR 5/8), dry, clay films on all faces of peds; fragments; slightly acid, pH 6.5. Lab sample # IL23499