IDENTIFIERS

  • Current Taxon Name (Soil Name): Rohan
  • OSD
  • Series Extent
  • User Site ID: 83KY155 Rohan-OSD
  • User Pedon ID: 83KY155 Rohan-OSD
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UK
  • Lab Pedon # - 85KY-155-004
  • NCSS Pedon Lab Data NASIS Record ID - 46717
  • Print Date: 11/21/2024

    • 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: 37.4965820
  • Std. Longitude: -85.1271591
  • Datum: WGS84
  • Location Description: about 9 miles southeast of Lebanon; 3,000 feet northeast of the junction of KY Highway 49 and Narrows Road.
  • Map Unit: RtF2—Rohan-Trappist complex, 20 to 50 percent slopes, eroded, very rocky
  • Country: US—United States
  • State: Kentucky
  • County: KY155—Marion
  • MLRA: 122—Highland Rim and Pennyroyal
  • Regional Office: 6—Morgantown, WV
  • MLRA Soil Survey Area: NE-OWN—Owensboro, Kentucky
  • Non-MLRA Soil Survey Area: KY155—Marion County, Kentucky
  • 7.5 Minute USGS Quad: 37085-D2—Bradfordsville, Kentucky

    • PEDON

  • Describers Name: John Kelley and Bill Craddock
  • Current Taxonomic Class: Loamy-skeletal, mixed, semiactive, mesic Lithic Dystrudepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Rohan (flagged as OSD)
  • PSC - 25 to 36 cm.
  • Classificaton Date - 11/15/2011
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rohan
  • Classificaton Date - 8/24/2009
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy-skeletal colluvium derived from shale
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent shale, unspecified at 36cm
  • Geology: New Albany Shale formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/24/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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, paralithic

    bedrock, lithic

    weakly coherent

    indurated

    36 - 46

    46 - 71

    - 10 -

    - 25 -

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

    ochric epipedon

    cambic horizon

    paralithic contact

    lithic contact

    0—20

    20—36

    36—

    46—

    —20—

    —16—

    —-

    —-
    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

    38

    —

    —

    248.4

    —

    45

    1336

    —

    172

    12.9

    —

    —

    —

    —

    —

    —

    —

    KY0940

    Bradfordsville

    coop
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) channery silt loam; moderate fine and medium granular structure; friable; 3.0 fine and medium roots; 30 percent by volume shale, unspecified fragments; very strongly acid, pH 4.5, hellige-truog; abrupt smooth boundary. Lab sample # KY2857
    BA—10 to 20 centimeters (3.9 to 7.9 inches); dark yellowish brown (10YR 4/4) very channery silt loam; weak medium subangular blocky parts to moderate medium granular structure; friable; 3.0 fine to coarse roots; 20 percent brown (10YR 4/3), moist, organic stains on all faces of peds; 35 percent by volume shale, unspecified fragments; extremely acid, pH 3.5, hellige-truog; abrupt smooth boundary. Lab sample # KY2858
    Bw—20 to 36 centimeters (7.9 to 14.2 inches); yellowish brown (10YR 5/4) extremely channery silty clay loam; moderate medium subangular blocky structure; friable; 3.0 medium roots; 65 percent by volume shale, unspecified fragments; extremely acid, pH 3.5, hellige-truog; abrupt wavy boundary. Lab sample # KY2859
    Cr—36 to 46 centimeters (14.2 to 18.1 inches); strong brown (7.5YR 4/6) and black (10YR 2/1) interior bedrock; 0.5 fine roots in cracks; fragments; extremely acid, pH 3.5, hellige-truog; abrupt wavy boundary.
    R—46 to 71 centimeters (18.1 to 28.0 inches); black (10YR 2/1) unweathered bedrock; fragments.