IDENTIFIERS

  • Current Taxon Name (Soil Name): Piedmont
  • OSD
  • Series Extent
  • User Site ID: S1988OK083001
  • User Pedon ID: 88OK083001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 88P0810
  • NCSS Pedon Lab Data NASIS Record ID - 60928
  • Print Date: 12/11/2024

    • 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: 36.0433350
  • Std. Longitude: -97.6747208
  • Datum: WGS84
  • Township: 18N
  • Range: 4W
  • Section: 18
  • PLSS Details: About 200 feet E and 150 feet S of the NW corner
  • Location Description: Logan County.
  • Map Unit: PieB—Piedmont silty clay loam, 1 to 3 percent slopes
  • 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 Argiustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Piedmont
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Snd
  • Classificaton Date - 8/1/1988
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: alluvial plain
  • Landform: paleoterrace
  • Geomorphic Component Hills: side slope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1988 (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
    • 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

    —

    —

    320

    —

    180

    —

    —

    —

    —

    —

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    A1—0 to 20 centimeters (0.0 to 7.9 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; silty clay loam; strong medium granular structure; hard, firm; 5.5 fine and medium roots; 2.5 fine tubular pores; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 88P04248. many fine and medium roots
    Bt1—20 to 43 centimeters (7.9 to 16.9 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; silty clay; moderate medium prismatic, and moderate fine and medium blocky structure; very hard, very firm; 2.5 medium roots and 5.5 fine roots; 0.5 very fine and fine tubular pores; 37 percent distinct clay films on faces of peds and 37 percent nonintersecting slickensides and 37 percent pressure faces; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 88P04249. common clay films surface features on faces of peds; common nonintersecting slickensides surface features; common pressure faces surface features; common medium roots; many fine roots
    Bt2—43 to 69 centimeters (16.9 to 27.2 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; silty clay loam; moderate medium prismatic, and strong medium blocky structure; very hard, very firm; 2.5 fine and medium roots; 0.5 very fine and fine tubular pores; 37 percent distinct clay films on faces of peds and 37 percent slickensides (pedogenic) and 37 percent pressure faces; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual smooth boundary. Lab sample # 88P04250. common clay films surface features on faces of peds; common intersecting slickensides surface features; common pressure faces surface features; common fine and medium roots
    BC—69 to 81 centimeters (27.2 to 31.9 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; silty clay loam; weak medium prismatic, and moderate medium subangular blocky structure; very hard, very firm; 0.5 fine roots; 0.5 very fine tubular pores; 15 percent pressure faces; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 88P04251. common fine and medium soft bodies of calcium carbonate; 10 percent shale fragments 2mm to 20mm in diameter; few pressure faces surface features; few fine roots
    Cr—81 to 102 centimeters (31.9 to 40.2 inches); dark yellowish brown (10YR 4/6); fragments. shale interbedded with gray and red siltstone