IDENTIFIERS

  • Current Taxon Name (Soil Name): Kirkland
  • OSD
  • Series Extent
  • User Site ID: S1989OK083002
  • User Pedon ID: 89OK083002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0433
  • NCSS Pedon Lab Data NASIS Record ID - 61537
  • Print Date: 4/27/2025

    • 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: 36.1241684
  • Std. Longitude: -97.6311111
  • Datum: WGS84
  • Township: 19N
  • Range: 4W
  • Section: 16
  • PLSS Details: About 2350 feet S and 2450 feet E of the NW corner
  • Location Description: Logan County, Oklahoma.
  • Country: US—United States
  • State: Oklahoma
  • County: OK083—Logan
  • MLRA: 80A—Central Rolling Red Prairies
  • Regional Office: SC—South Central
  • MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma

    • PEDON

  • Current Taxonomic Class: Fine, mixed, superactive, thermic Udertic Paleustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Kirkland
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Pawhuska
  • Taxonomic Class - Fine, mixed, thermic Mollic Natrustalf
  • Taxon Kind - series
  • Classificaton Date - 4/1/1989
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1989 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    314

    —

    90

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silt loam; medium granular structure; hard, friable; 0.5 fine roots; 0.5 fine tubular pores; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. few fine roots
    Bt1—20 to 46 centimeters (7.9 to 18.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silty clay; weak medium prismatic, and moderate medium subangular blocky structure; very hard, very firm; 2.5 very fine and fine roots; 2.5 fine tubular pores; 37 percent distinct clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 89P02430. few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common very fine and fine roots
    Btn1—46 to 74 centimeters (18.1 to 29.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silty clay; strong medium prismatic, and moderate medium angular blocky structure; very hard, very firm; 2.5 very fine and fine roots; 0.5 very fine tubular pores; 37 percent distinct clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; very slight effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 89P02431. few coats of clean very fine sand and silt on faces of peds (10YR 5/3); few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common very fine and fine roots
    Btn2—74 to 104 centimeters (29.1 to 40.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silty clay; strong medium prismatic, and moderate medium angular blocky structure; very hard, very firm; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; 37 percent distinct clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 89P02432. common fine and medium calcium carbonate concretions; few coats of clean very fine sand and silt on faces of peds (10YR 5/3); few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; few very fine and fine roots
    Btn3—104 to 127 centimeters (40.9 to 50.0 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; silty clay; dark grayish brown (10YR 4/2) and 11 percent pale brown (10YR 6/3) fine distinct mottles; strong medium prismatic, and moderate medium angular blocky structure; very hard, very firm; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; 37 percent distinct clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 89P02433. few fine calcium carbonate concretions; common pockets of secondary salts and a few threads of salts; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; few very fine and fine roots; common fine distinct 10YR63 mottles
    Btn4—127 to 165 centimeters (50.0 to 65.0 inches); red (2.5YR 5/6) and reddish brown (5YR 5/3) and brown (7.5YR 5/2) silty clay; strong medium prismatic, and moderate medium angular blocky structure; very hard, very firm; 0.5 very fine and fine roots; 2.5 very fine and fine tubular pores; 37 percent distinct , dry, clay films on faces of peds and 37 percent , dry, black stains; 11 percent fine iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. few fine calcium carbonate concretions; few threads of secondary salts; common fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common black stains surface features; few very fine and fine roots
    BC—165 to 203 centimeters (65.0 to 79.9 inches); red (2.5YR 5/6), red (2.5YR 4/6), moist; silty clay loam; moderate medium prismatic, and moderate medium subangular blocky structure; hard, firm; 0.5 very fine and fine roots; 5.5 very fine and fine tubular pores; 55 percent black stains; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog. many black stains surface features; few very fine and fine roots