IDENTIFIERS

  • Current Taxon Name (Soil Name): Cotaco
  • OSD
  • Series Extent
  • User Site ID: 78KY-121-003
  • User Pedon ID: 78KY-121-003
  • Vegetation Plot ID: 78KY-121-003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UK
  • Lab Pedon # - 78KY-121-003
  • NCSS Pedon Lab Data NASIS Record ID - 46658
  • 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: 36.8558617
  • Std. Longitude: -83.7910309
  • Datum: WGS84
  • Location Description: 350 feet east of US 25E; 6.7 miles east of Barbourville; X: 2,573,100 feet Y: 196,150 feet
  • State: Kentucky
  • County: KY121—Knox
  • MLRA: 125—Cumberland Plateau and Mountains
  • MLRA Soil Survey Area: NE-LON—London, Kentucky
  • Non-MLRA Soil Survey Area: KY627—Knox and Eastern Part of Whitley Counties, Kentucky
  • 7.5 Minute USGS Quad: 36083-G7—Artemus, Kentucky

    • PEDON

  • Describers Name: J.H. Newton and Paul Love
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Aquic Hapludults
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Cotaco
  • PSC - 30 to 80 cm.
  • Classificaton Date - 11/15/2011
  • Sampled As Information:
  • Soil Name - Cotaco
  • Classificaton Date - 6/12/1978
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: old alluvium derived from sandstone and siltstone
  • Landscape: valley
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/12/1978 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    LOAR10

    Lolium arundinaceum

    tall fescue

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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

    3

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) silt loam; moderate medium subangular blocky parts to weak fine granular structure; very friable; 7.0 fine roots; 2.0 fine pores; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # KY2203
    BA—15 to 30 centimeters (5.9 to 11.8 inches); yellowish brown (10YR 5/6) silt loam; 5 percent light yellowish brown (10YR 6/4) fine faint and 5 percent strong brown (7.5YR 5/6) fine faint mottles; weak medium subangular blocky structure; very friable; 2.0 fine roots; 1.0 fine pores; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # KY2204
    Bt1—30 to 48 centimeters (11.8 to 18.9 inches); light yellowish brown (10YR 6/4) silt loam; 5 percent strong brown (7.5YR 5/6) medium faint mottles; weak coarse prismatic parts to weak medium subangular blocky structure; friable; 2.0 fine roots; 2.0 fine pores; strong brown (7.5YR 5/6), moist, clay films on all faces of peds and 30 percent pale brown (10YR 6/3), moist, clay films on vertical faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # KY2205. discontinuous - phpvsfiid 635541; discontinuous - phpvsfiid 635542; discontinuous - phpvsfiid 635541; discontinuous - phpvsfiid 635542
    Bt2—48 to 86 centimeters (18.9 to 33.9 inches); variegated 34 percent strong brown (7.5YR 5/6) and 33 percent light yellowish brown (10YR 6/4) and 33 percent light brownish gray (10YR 6/2) silt loam; weak coarse prismatic parts to weak medium subangular blocky structure; friable; 0.5 fine roots; 2.0 fine pores; light brownish gray (10YR 6/2), moist, clay films on vertical faces of peds and 15 percent strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 1 percent black (10YR 2/1), moist, and dark brown (10YR 3/3), moist, iron-manganese masses; fragments; very strongly acid, pH 4.8. Lab sample # KY2206. discontinuous - phpvsfiid 635544; discontinuous - phpvsfiid 635544
    Bt3—86 to 124 centimeters (33.9 to 48.8 inches); variegated 34 percent strong brown (7.5YR 5/6) and 33 percent light brownish gray (10YR 6/2) and 33 percent light yellowish brown (10YR 6/4) silt loam; weak coarse prismatic parts to weak medium subangular blocky structure; friable; 0.5 fine roots; 2.0 fine pores; light brownish gray (10YR 6/2), moist, clay films on vertical faces of peds and 15 percent strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 1 percent black (10YR 2/1), moist, and dark brown (10YR 3/3), moist, iron-manganese masses; fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # KY2207. discontinuous - phpvsfiid 635545; discontinuous - phpvsfiid 635545
    C—124 to 170 centimeters (48.8 to 66.9 inches); variegated 51 percent light gray (10YR 7/2) and 49 percent light yellowish brown (10YR 6/4) silt loam; structureless massive; firm; 0.5 fine roots; 0.5 fine pores; 25 percent very coarse weakly coherent cemented black (10YR 2/1), moist, manganese masses; fragments; very strongly acid, pH 4.8. Lab sample # KY2208