IDENTIFIERS

  • Current Taxon Name (Soil Name): Eva
  • OSD
  • Series Extent
  • Local Phase: fine sandy loam
  • User Site ID: S1992OK139006
  • User Pedon ID: S1992OK139006
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 93P0115
  • NCSS Pedon Lab Data NASIS Record ID - 65459
  • Print Date: 5/14/2025
  • 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: 36.9716682
  • Std. Longitude: -101.1791687
  • Datum: WGS84
  • Township: 6N
  • Range: 17E
  • Section: 24
  • PLSS Details: NW 1/4, NW 1/4
  • Country: US—United States
  • State: Oklahoma
  • County: OK139—Texas
  • MLRA: 77A—Southern High Plains, Northern Part
  • MLRA Soil Survey Area: SC-WOD—Woodward, Oklahoma
  • Non-MLRA Soil Survey Area: OK139—Texas County, Oklahoma
  • 7.5 Minute USGS Quad: 36101-H2—Hooker NW, Oklahoma
  • PEDON

  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Aridic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Eva
  • PSC - 48 to 98 cm.
  • Classificaton Date - 7/2/2019
  • Classifier - Steven McGowen
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Dalhart
  • Classificaton Date - 9/30/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: not reviewed


  • SITE

  • Parent Material: eolian sands
  • Landscape: High plains
  • Landform: low dune on sand sheet
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/30/1992 (actual site observation date)
  • Air Photo ID: 16
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    secondary carbonates

    0—15

    48—250

    48—250

    —15—

    —202—

    —202—

    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

    916

    440

    14

    26

    1

    A1—0 to 15 centimeters (0.0 to 5.9 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; fine sandy loam; weak fine granular structure; soft, very friable; 3.0 fine roots; 0.5 fine pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 93P00976
    A2—15 to 48 centimeters (5.9 to 18.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak medium subangular blocky structure; soft, very friable; 3.0 fine roots; 3.0 fine pores; 1 percent fine carbonate threads; fragments; slight effervescence; clear smooth boundary. Lab sample # 93P00977
    Btk1—48 to 120 centimeters (18.9 to 47.2 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable; 0.5 fine roots; 0.5 fine pores; 10 percent faint clay films; 1 percent carbonate threads; fragments; slight effervescence; clear smooth boundary. Lab sample # 93P00978
    Btk2—120 to 162 centimeters (47.2 to 63.8 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/4), moist; loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; 3.0 fine roots; 3.0 fine pores; 30 percent distinct clay films; 1 percent worm casts and 21 percent fine carbonate masses and 1 percent fine carbonate nodules; fragments; violent effervescence; gradual smooth boundary. Lab sample # 93P00979
    Btk3—162 to 204 centimeters (63.8 to 80.3 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; loam; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable; 0.5 very fine and fine roots; 3.0 fine pores; 10 percent distinct clay films; carbonate threads; fragments; strong effervescence; clear smooth boundary. Lab sample # 93P00980
    Btk4—204 to 250 centimeters (80.3 to 98.4 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak coarse prismatic structure; hard, friable; 0.5 very fine roots; 3.0 fine pores; 30 percent distinct clay films; 3 percent fine and medium carbonate masses; fragments; strong effervescence; gradual smooth boundary. Lab sample # 93P00981