IDENTIFIERS

  • Current Taxon Name (Soil Name): SEQUOIA
  • OSD
  • Series Extent
  • User Site ID: 81KY231006
  • User Pedon ID: 81KY231006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • 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: 36.8495806
  • Std. Longitude: -84.7653111
  • Datum: WGS84
  • Location Description: SPANN HILL
  • Map Unit: SeD—Sequoia-Wernock silt loams, 6 to 20 percent slopes
  • MLRA: 125—Cumberland Plateau and Mountains
  • Non-MLRA Soil Survey Area: KY231—Wayne County, Kentucky

    • PEDON

  • Pedon Type: within range of map unit
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - SEQUOIA
  • Classificaton Date - 7/24/2012
  • Sampled As Information:
  • Soil Name - SEQUOIA-WERNOCK
  • Classificaton Date - 9/21/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Fentress / Alvy Creek formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/21/2007 (entry creation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • 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—

    —-

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    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

    —

    —

    —

    436

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    —

    —

    —

    —

    —

    —

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark yellowish brown (10YR 4/4) loam; weak fine granular structure; friable; fragments; neutral, pH 7.0; abrupt smooth boundary.
    Bt1—15 to 41 centimeters (5.9 to 16.1 inches); strong brown (7.5YR 5/6) silty clay loam; moderate fine angular blocky structure; firm; fragments; very strongly acid, pH 5.0; gradual smooth boundary.
    Bt2—41 to 51 centimeters (16.1 to 20.1 inches); strong brown (7.5YR 5/6) and light yellowish brown (10YR 6/4) silty clay loam; moderate fine angular blocky structure; firm; fragments; very strongly acid, pH 5.0; gradual smooth boundary.
    Bt3—51 centimeters (20.1 inches); strong brown (7.5YR 5/6) and gray (10YR 6/1) and brownish yellow (10YR 6/8) silty clay loam; moderate fine angular blocky structure; firm; fragments; very strongly acid, pH 5.0.