IDENTIFIERS

  • Current Taxon Name (Soil Name): Stephenville
  • OSD
  • Series Extent
  • User Site ID: S1997OK107001
  • User Pedon ID: S1997OK107001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 97P0395
  • NCSS Pedon Lab Data NASIS Record ID - 10078
  • Print Date: 11/23/2024

    • 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: 35.4809151
  • Std. Longitude: -96.5291672
  • Datum: WGS84
  • Map Unit: DaSE—Darnell-Stephenville complex, 3 to 12 percent slopes
  • Country: US—United States
  • State: Oklahoma
  • County: OK107—Okfuskee
  • MLRA: 84A—North Cross Timbers
  • Regional Office: SC—South Central
  • MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma
  • 7.5 Minute USGS Quad: 35096-D5—Prague NE, Oklahoma

    • PEDON

  • Current Taxonomic Class: Coarse-loamy, siliceous, active, thermic Ultic Haplustalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Stephenville
  • PSC - 27 to 77 cm.
  • Classificaton Date - 9/16/2013
  • Classifier - Walt Schaefer
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Stephenville
  • Taxonomic Class - Fine-loamy, siliceous, active, thermic Ultic Haplustalfs
  • Taxon Kind - series
  • Classificaton Date - 4/9/1997
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: toeslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: s slight weathered sandstone, unspecified and a dip of 90 to 90 degrees
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/9/1997 (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
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    weakly coherent

    89 - 114

    - 25 -

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

    ochric epipedon

    argillic horizon

    paralithic contact

    0—14

    27—89

    89—114

    —14—

    —62—

    —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

    2

    —

    —

    210

    —

    270

    850

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 5 centimeters (0.0 to 2.0 inches);, brown (10YR 4/3), moist; fine sandy loam; 63 percent sand; 28 percent silt; 10 percent clay; moderate medium granular structure; loose, friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; fragments. Lab sample # 97P02390
    A2—5 to 10 centimeters (2.0 to 3.9 inches);, brown (10YR 4/3), moist; fine sandy loam; 65 percent sand; 27 percent silt; 9 percent clay; moderate medium granular structure; loose, friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; fragments. Lab sample # 97P02391
    A3—10 to 14 centimeters (3.9 to 5.5 inches);, brown (10YR 4/3), moist; fine sandy loam; 64 percent sand; 26 percent silt; 10 percent clay; moderate medium granular structure; loose, friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; fragments; clear smooth boundary. Lab sample # 97P02392
    E—14 to 27 centimeters (5.5 to 10.6 inches);, brown (10YR 5/3), moist; fine sandy loam; 64 percent sand; 25 percent silt; 11 percent clay; moderate medium granular structure; loose, friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; fragments; gradual smooth boundary. Lab sample # 97P02393
    Bt1—27 to 52 centimeters (10.6 to 20.5 inches);, yellowish red (5YR 5/6), moist; fine sandy loam; 64 percent sand; 24 percent silt; 12 percent clay; 5 percent red (2.5YR 4/6) fine prominent and 10 percent brown (7.5YR 5/4) medium and coarse distinct mottles; moderate fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots throughout; fragments; gradual smooth boundary. Lab sample # 97P02394
    Bt2—52 to 89 centimeters (20.5 to 35.0 inches);, red (2.5YR 4/8), moist; fine sandy loam; 64 percent sand; 21 percent silt; 15 percent clay; 5 percent reddish yellow (5YR 6/8) fine prominent and 10 percent light gray (10YR 7/2) coarse prominent mottles; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots throughout; fragments; gradual smooth boundary. Lab sample # 97P02395
    Cr—89 to 114 centimeters (35.0 to 44.9 inches);, very pale brown (10YR 8/2), moist; bedrock; 5 percent reddish yellow (7.5YR 6/6) fine prominent and 5 percent very pale brown (10YR 7/3) fine prominent mottles; fragments.