IDENTIFIERS

  • Current Taxon Name (Soil Name): Beckman
  • OSD
  • Series Extent
  • User Site ID: S2000OK009001
  • User Pedon ID: S2000OK009001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 00P1355
  • NCSS Pedon Lab Data NASIS Record ID - 12848
  • Print Date: 12/10/2025

    • 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: 35.1324944
  • Std. Longitude: -99.6397861
  • Datum: WGS84
  • Township: 8N
  • Range: 23W
  • Section: 28
  • PLSS Details: 430 feet N and 675 feet E of SW corner
  • Location Description: Beckham County, OK; 3 miles south and 2 1/4 miles east of Delhi
  • Country: US—United States
  • State: Oklahoma
  • County: OK009—Beckham
  • MLRA: 78C—Central Rolling Red Plains, Eastern Part
  • Regional Office: SC—South Central
  • MLRA Soil Survey Area: SC-ALT—Altus, Oklahoma
  • Non-MLRA Soil Survey Area: OK009—Beckham County, Oklahoma
  • 7.5 Minute USGS Quad: 35099-B6—Delhi, Oklahoma

    • PEDON

  • Describers Name: RJM, CDS, RFG, DRR, JAG, CRC
  • Current Taxonomic Class: Fine, mixed, active, thermic Fluventic Haplustepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Beckman (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/8/2019
  • Classifier - Richard Gelnar
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Beckman (flagged as OSD)
  • Taxonomic Class - Clayey, mixed, superactive, calcareous, thermic Gypsic Haplustepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/18/2000
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: saline clayey alluvium
  • Landscape: plains
  • Landform: flood plain
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: occasional flooding for very brief periods
  • Ponding: none ponding
  • Bedrock: noncoherent claystone at 183cm
  • Geology: Flowerpot formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/18/2000 (actual site observation date)
  • Air Photo ID: sheet 59
  • Plant Association Name: saline bottomland
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    densic material

    noncoherent

    183 - 203

    - 20 -

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

    ochric epipedon

    salt accumulations

    gypsic horizon

    redox depletions with chroma 2 or less

    0—9

    35—183

    60—183

    130—183

    —9—

    —148—

    —123—

    —53—
    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

    0.1

    —

    —

    522

    —

    90

    635

    —

    210

    16.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 9 centimeters (0.0 to 3.5 inches); reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/3) crushed, moist; clay; moderate medium angular blocky parts to moderate medium platy structure; extremely hard, very firm; 8.0 medium roots and 10.0 fine roots; 0.8 medium and 7.0 fine pores; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 00P07923; observed in pit, small
    Bw—9 to 35 centimeters (3.5 to 13.8 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; silty clay; moderate medium prismatic parts to weak medium angular blocky structure; extremely hard, very firm; 6.0 medium roots and 8.0 fine roots; 7.0 medium and 7.0 fine pores; 15 percent distinct pressure faces; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 00P07924; observed in pit, small
    Bkyz1—35 to 60 centimeters (13.8 to 23.6 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; silty clay; weak coarse prismatic parts to weak fine subangular blocky, and weak coarse prismatic parts to weak medium subangular blocky structure; extremely hard, very firm; 2.0 medium roots and 4.0 fine roots; 4.0 medium and 4.0 fine pores; 5 percent fine gypsum crystals, unspecified and 2 percent fine carbonate masses and fine salt crystals; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 00P07925; observed in pit, small
    Bkyz2—60 to 104 centimeters (23.6 to 40.9 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; silty clay loam; weak coarse prismatic parts to weak medium subangular blocky, and weak coarse prismatic parts to weak fine subangular blocky structure; very hard, firm; 4.0 very fine roots and 0.7 medium roots and 3.0 fine roots; 3.0 very fine and 0.8 medium and 3.0 fine pores; 1 percent distinct iron depletions lining pores; 30 percent fine gypsum crystals, unspecified and fine carbonate masses and fine salt crystals; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 00P07926; observed in pit, small
    Cyz1—104 to 130 centimeters (40.9 to 51.2 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; stratified stratified silty clay loam; hard, firm; 0.7 very fine roots and 0.6 fine roots; 0.1 very fine and 0.1 fine pores; 1 percent distinct iron depletions lining pores; 3 percent fine gypsum crystals, unspecified and fine salt crystals; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 00P07927; observed in pit, small
    Cyz2—130 to 160 centimeters (51.2 to 63.0 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; silty clay; extremely hard, very firm; 0.1 very fine roots and 0.1 fine roots; 0.1 very fine and 0.1 fine pores; 10 percent prominent greenish gray (5BG 6/1), moist, iron depletions lining pores; 2 percent fine gypsum crystals, unspecified and fine salt crystals; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 00P07928; observed in pit, small
    Cyz3—160 to 183 centimeters (63.0 to 72.0 inches); reddish brown (5YR 5/3) interior, reddish brown (5YR 4/3) interior, moist; stratified stratified paragravelly silty clay; extremely hard, very firm; 0.1 very fine roots; 0.1 very fine pores; 10 percent fine prominent greenish gray (5BG 6/1), moist, iron depletions lining pores; 7 percent fine gypsum crystals, unspecified; 1 percent by volume nonflat rounded indurated 2-10-20 millimeter quartzite fragments and 20 percent by volume nonflat subangular noncoherent cemented 2-10-30 millimeter claystone fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 00P07929; observed in pit, small
    2Crd—183 to 203 centimeters (72.0 to 79.9 inches);, dark red (2.5YR 3/6), moist; bedrock; noncoherent; moderate excavation difficulty; very few (0.1) very fine roots in cracks; 5 percent distinct slickensides (geogenic); 1 percent fine faint iron depletions in cracks; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 00P07930; observed in pit, small