IDENTIFIERS

  • Current Taxon Name (Soil Name): Sequoia
  • OSD
  • Series Extent
  • User Site ID: 07KY650104
  • User Pedon ID: 07KY650104
  • Vegetation Plot ID: 07KY650104
  • Transect:
  • User Transect ID - T1307KY650
  • Transect Stop Number - 1
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 07N0506
  • NCSS Pedon Lab Data NASIS Record ID - 19296
  • Print Date: 3/2/2025

    • 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: 36.6266667
  • Std. Longitude: -84.5250000
  • Datum: WGS84
  • Location Description: Big South Fork National River and Recreation Area; McCreary County, Kentucky; Bear Creek area; 500 feet southeast of parking area for Bear Creek Overlook. Kentucky Waypoint 296.
  • Map Unit: 24D—Gilpin-Sequoia complex, 12 to 20 percent slopes
  • Country: US—United States
  • State: Kentucky
  • County: KY147—McCreary
  • MLRA: 125—Cumberland Plateau and Mountains
  • Regional Office: 18obsolete—Lexington, KY
  • Non-MLRA Soil Survey Area: TN650—Big South Fork National River and Recreation Area, Kentucky and Tennessee
  • 7.5 Minute USGS Quad: 36084-F5—Barthell, Kentucky

    • PEDON

  • Describers Name: Harry Evans
  • Current Taxonomic Class: Fine, mixed, semiactive, mesic Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Sequoia
  • PSC - 13 to 63 cm.
  • Classificaton Date - 2/26/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sequoia
  • Classificaton Date - 4/9/2007
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey residuum weathered from shale & siltstone
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Pattern: dendritic
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent shale and siltstone at 96cm
  • Geology: Grundy formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/9/2007 (actual site observation date)
  • 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
  • Current Weather - overcast
  • Current Air Temp - 21
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    A

    Bt1

    Bt1

    Bt2

    Bt2

    Bt3

    Bt3

    0

    0

    13

    13

    30

    30

    50

    50

    13

    13

    30

    30

    50

    50

    86

    86

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    A

    Bt1

    Bt1

    Bt2

    Bt2

    Bt3

    Bt3

    0

    0

    13

    13

    30

    30

    50

    50

    13

    13

    30

    30

    50

    50

    86

    86

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    A

    Bt1

    Bt1

    Bt2

    Bt2

    Bt3

    Bt3

    0

    0

    13

    13

    30

    30

    50

    50

    13

    13

    30

    30

    50

    50

    86

    86

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANVI2

    THUJA

    TORAR

    Andropogon virginicus

    Thuja

    Toxicodendron radicans ssp. radicans

    broomsedge bluestem

    arborvitae

    eastern poison ivy

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    weakly coherent

    86 - 96

    - 10 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    paralithic contact

    0—13

    13—86

    86—96

    —13—

    —73—

    —10—
    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

    15

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    A—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4) broken face, yellowish brown (10YR 5/4) broken face, dry; silt loam; weak fine granular structure; very friable, nonsticky, nonplastic; 5.0 fine roots throughout; fragments; none odor; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 07N03291; moist when described; observed in pit, small
    Bt1—13 to 30 centimeters (5.1 to 11.8 inches); strong brown (7.5YR 5/6) broken face silty clay loam; moderate medium subangular blocky structure; friable, nonsticky, nonplastic; 1.0 medium roots throughout and 2.0 fine roots; 10 percent distinct clay films on all faces of peds; fragments; none odor; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # 07N03292; moist when described; observed in pit, small. discontinuous - phpvsfiid 363862; discontinuous - phpvsfiid 363862
    Bt2—30 to 50 centimeters (11.8 to 19.7 inches); yellowish red (5YR 5/6) broken face silty clay; moderate medium subangular blocky structure; firm, nonsticky, nonplastic; 1.0 fine roots throughout; 30 percent distinct clay films on all faces of peds; 2 percent by volume flat subangular strongly coherent cemented 2-5-75 millimeter shale, unspecified fragments; none odor; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # 07N03293; moist when described; observed in pit, small. discontinuous - phpvsfiid 363863; discontinuous - phpvsfiid 363863
    Bt3—50 to 86 centimeters (19.7 to 33.9 inches); 85 percent yellowish red (5YR 5/6) broken face and 15 percent yellow (10YR 7/8) broken face clay; moderate medium angular blocky structure; firm, nonsticky, nonplastic; 40 percent distinct clay films on all faces of peds; 5 percent by volume flat subangular strongly coherent cemented 2-10-75 millimeter shale, unspecified fragments and 5 percent by volume flat subangular strongly coherent cemented 2-10-75 millimeter siltstone, unspecified fragments; none odor; very strongly acid, pH 4.5, hellige-truog; gradual smooth boundary. Lab sample # 07N03294; moist when described; observed in pit, small. discontinuous - phpvsfiid 363864; discontinuous - phpvsfiid 363864
    Cr—86 to 111 centimeters (33.9 to 43.7 inches); yellowish red (5YR 5/6) and yellow (10YR 7/8) bedrock; fragments.; observed in pit, small