IDENTIFIERS

  • Current Taxon Name (Soil Name): Agra
  • OSD
  • Series Extent
  • Local Phase: silty clay loam
  • User Site ID: 67-OK113-57-54
  • User Pedon ID: 67-OK113-57-54
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - OSKU
  • Lab Pedon # - 67-OK-57-54
  • NCSS Pedon Lab Data NASIS Record ID - 79890
  • Print Date: 12/4/2024

    • 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: 36.6661917
  • Std. Longitude: -96.8344556
  • Datum: WGS84
  • Township: 25N
  • Range: 4E
  • Section: 11
  • PLSS Details: about 155 feet SE of 53 in NE 1/4 NE 1/4
  • Country: US—United States
  • State: Oklahoma
  • County: OK113—Osage
  • MLRA: 76—Bluestem Hills
  • Non-MLRA Soil Survey Area: OK113—Osage County, Oklahoma
  • 7.5 Minute USGS Quad: 36096-F8—Charley Creek East, Oklahoma

    • PEDON

  • Describers Name: Stewart
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Vertic Natrustolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: soil survey inventory
  • Correlated Information:
  • Soil Name - Agra
  • PSC - 41 to 91 cm.
  • Classificaton Date - 4/3/2020
  • Classifier - Chance Robinson
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: clayey slope alluvium derived from shale
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Bedrock: shale, unspecified
  • Geology: Oscar group .
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/30/1967 (actual site observation date)
  • 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

    natric

    noncoherent

    69 - 213

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

    mollic epipedon

    natric horizon

    0—69

    41—122

    —41—

    —81—
    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

    —

    —

    —

    305

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 30 centimeters (0.0 to 11.8 inches);, very dark gray (10YR 3/1), moist; silty clay loam; 13 percent sand; 59 percent silt; 28 percent clay; moderate medium granular, and moderate coarse granular structure; hard, very friable; fragments; slightly acid, pH 6.3. Lab sample # 67OK57541
    BA—30 to 41 centimeters (11.8 to 16.1 inches);, very dark brown (7.5YR 2/2), moist; silty clay loam; 13 percent sand; 54 percent silt; 34 percent clay; weak medium angular blocky, and weak coarse granular structure; very hard, friable; fragments; slightly acid, pH 6.5. Lab sample # 67OK57542
    Bt1—41 to 69 centimeters (16.1 to 27.2 inches);, dark reddish brown (5YR 3/2), moist; silty clay; 9 percent sand; 48 percent silt; 43 percent clay; weak medium prismatic, and moderate medium angular blocky structure; extremely hard, firm; fragments; neutral, pH 7.3. Lab sample # 67OK57543
    Bt2—69 to 94 centimeters (27.2 to 37.0 inches);, dark reddish gray (5YR 4/2), moist; silty clay; 9 percent sand; 49 percent silt; 42 percent clay; weak medium angular blocky, and weak coarse angular blocky structure; extremely hard, firm; fragments; moderately alkaline, pH 8.0. Lab sample # 67OK57544
    Bt3—94 to 122 centimeters (37.0 to 48.0 inches);, reddish brown (5YR 4/3), moist; silty clay; 10 percent sand; 49 percent silt; 41 percent clay; weak medium angular blocky, and weak coarse angular blocky structure; extremely hard, firm; fragments; moderately alkaline, pH 8.1. Lab sample # 67OK57545
    BC—122 to 213 centimeters (48.0 to 83.9 inches);, reddish brown (5YR 4/3), moist; silty clay; 9 percent sand; 50 percent silt; 42 percent clay; weak medium angular blocky, and weak coarse angular blocky structure; extremely hard, firm; fragments. Lab sample # 67OK57546