IDENTIFIERS

  • Current Taxon Name (Soil Name): Myra
  • OSD
  • Series Extent
  • User Site ID: 82KY195 Myra-OSD
  • User Pedon ID: 82KY195 Myra-OSD
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0699
  • NCSS Pedon Lab Data NASIS Record ID - 53486
  • Print Date: 12/11/2024
  • 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: 37.5088889
  • Std. Longitude: -82.5700000
  • Datum: WGS84
  • Location Description: Typical pedon of Myra very channery silt loam in Pike County, in an area of MyB—Myra very channery silt loam 0 to 6 percent slopes; about 0.5 mile southwest of the aconfluence of Right Fork and Big Shoal Creek; about 6.5 miles northwest of Pikeville; on a 3 percent slope; USGS Broad Bottom, KY 7.5 minute Topographic Quadrangle; on Soil Survey Atlas Map Sheet #4.
  • Map Unit: MyB—Myra very channery silt loam, 0 to 6 percent slopes
  • Country: US—United States
  • State: Kentucky
  • County: KY195—Pike
  • MLRA: 125—Cumberland Plateau and Mountains
  • Regional Office: 6—Morgantown, WV
  • MLRA Soil Survey Area: NE-LON—London, Kentucky
  • Non-MLRA Soil Survey Area: KY195—Pike County, Kentucky
  • 7.5 Minute USGS Quad: 37082-D2—Jamboree, Kentucky
  • PEDON

  • Describers Name: John M. Robbins Jr., G. Kelley, & John Kelley
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, calcareous, mesic Typic Udorthents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Myra (flagged as OSD)
  • PSC - 25 to 75 cm.
  • Classificaton Date - 11/19/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Fairpoint
  • Classificaton Date - 5/1/1982
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: calcareous loamy coal extraction mine spoil derived from sedimentary rock
  • Landscape: mountains
  • Landform: mountain slope
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Pikeville Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1982 (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
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    very strongly coherent

    75 -

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

    ochric epipedon

    cambic horizon

    lithic contact

    0—9

    9—75

    75—100

    —9—

    —66—

    —25—

    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

    259

    1132

    188

    14.5

    156353

    PIKEVILLE

    SA COOP

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 60 percent dark grayish brown (2.5Y 4/2) interior and 40 percent gray (N 6/0) interior very channery silt loam; weak fine angular blocky structure; friable; 10.0 fine roots throughout; 2 percent by volume nonflat angular strongly coherent cemented 2-40-75 millimeter coal fragments and 20 percent by volume flat subrounded strongly coherent cemented 2-40-150 millimeter shale, unspecified fragments and 20 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter sandstone, unspecified fragments and 20 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter siltstone, unspecified fragments; very slight effervescence; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 83P03459; observed in pit, small
    C1—15 to 48 centimeters (5.9 to 18.9 inches); 95 percent gray (N 5/0) interior and 5 percent light olive brown (2.5Y 5/6) interior very channery silt loam; massive; firm; 0.9 fine roots throughout; 1 percent by volume nonflat angular strongly coherent cemented 2-40-75 millimeter coal fragments and 9 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter sandstone, unspecified fragments and 15 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter siltstone, unspecified fragments and 15 percent by volume flat subrounded strongly coherent cemented 2-40-150 millimeter shale, unspecified fragments; very slight effervescence; neutral, pH 7.0; gradual wavy boundary. Lab sample # 83P03460; observed in pit, small
    C2—48 to 100 centimeters (18.9 to 39.4 inches); 70 percent gray (N 5/0) interior and 20 percent grayish brown (2.5Y 5/2) interior and 10 percent light olive brown (2.5Y 5/6) interior very channery silt loam; massive; firm; 0.5 fine roots throughout; 1 percent by volume nonflat angular strongly coherent cemented 2-40-75 millimeter coal fragments and 14 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter sandstone, unspecified fragments and 15 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter siltstone, unspecified fragments and 15 percent by volume flat subrounded strongly coherent cemented 2-40-150 millimeter shale, unspecified fragments; very slight effervescence; neutral, pH 7.0; gradual smooth boundary. Lab sample # 83P03461, 83P03462; observed in pit, small
    C3—100 to 126 centimeters (39.4 to 49.6 inches); 80 percent dark gray (5Y 4/1) interior and 20 percent dark grayish brown (2.5Y 4/2) interior extremely channery silt loam; massive; friable; 2 percent by volume nonflat angular strongly coherent cemented 2-40-75 millimeter coal fragments and 20 percent by volume flat subrounded strongly coherent cemented 2-40-150 millimeter shale, unspecified fragments and 20 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter sandstone, unspecified fragments and 23 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter siltstone, unspecified fragments; very slight effervescence; neutral, pH 7.0; clear smooth boundary. Lab sample # 83P03463; observed in pit, small
    C4—126 to 198 centimeters (49.6 to 78.0 inches); olive gray (5Y 4/2) interior extremely channery silt loam; massive; friable; 2 percent by volume nonflat angular strongly coherent cemented 2-40-75 millimeter coal fragments and 20 percent by volume flat subrounded strongly coherent cemented 2-40-150 millimeter shale, unspecified fragments and 20 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter sandstone, unspecified fragments and 23 percent by volume flat subrounded very strongly coherent cemented 2-40-150 millimeter siltstone, unspecified fragments; very slight effervescence; neutral, pH 7.0. Lab sample # 83P03464, 83P03465; observed in pit, small