IDENTIFIERS

  • Current Taxon Name (Soil Name): Pawnee
  • OSD
  • Series Extent
  • User Site ID: S1992NE159005
  • User Pedon ID: 92NE159005
  • Vegetation Plot ID: S1992NE159005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0663
  • NCSS Pedon Lab Data NASIS Record ID - 64902
  • Print Date: 4/29/2025

    • 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: 40.8369446
  • Std. Longitude: -96.9455566
  • Datum: WGS84
  • Location Description: Twin Lakes area.
  • State: Nebraska
  • County: NE159—Seward
  • Non-MLRA Soil Survey Area: NE159—Seward County, Nebraska

    • PEDON

  • Describers Name: Pat Davis, Scott Aldridge, Brad Berherst, Brian Gardner, Earl Lockridge
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - Pawnee
  • Taxonomic Class - Fine, montmorillonitic Typic Argiudolls
  • PSC - 28 to 78 cm.
  • Classificaton Date - 6/11/1992
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/11/1992 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANGE

    PSORA2

    RHUS

    Andropogon gerardii

    Psoralidium

    Rhus

    big bluestem

    scurfpea

    sumac

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    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

    8

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    427

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    225

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    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; loam; 23 percent clay; moderate medium granular structure; friable, nonsticky, slightly plastic; 21.0 fine and medium roots between peds; 5 percent by volume rounded 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 92P03995; moist when described;
    AB—18 to 28 centimeters (7.1 to 11.0 inches); dark brown (10YR 3/3), dark grayish brown (10YR 4/2), dry; clay loam; 34 percent clay; weak medium subangular blocky parts to weak fine subangular blocky structure; firm, nonsticky, slightly plastic; 3.0 fine roots between peds; 2 percent by volume rounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 92P03996; moist when described;
    Bt1—28 to 41 centimeters (11.0 to 16.1 inches); brown (10YR 4/3) clay loam; 38 percent clay; weak coarse subangular blocky parts to moderate fine subangular blocky structure; firm, nonsticky, moderately plastic; 3.0 fine roots between peds; 30 percent clay films; 2 percent by volume rounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; moist when described;. discontinuous - phpvsfiid 192683; discontinuous - phpvsfiid 192683
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); brown (10YR 4/3) clay; 43 percent clay; weak coarse platy parts to weak fine and medium subangular blocky structure; firm, nonsticky, very plastic; 0.5 fine roots between peds; 30 percent distinct dark yellowish brown (10YR 4/4) clay films; 2 percent by volume rounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary.; moist when described;
    Bt3—58 to 76 centimeters (22.8 to 29.9 inches); dark brown (10YR 3/3) clay; 41 percent clay; 1 percent brown (10YR 5/3) fine faint and 3 percent dark yellowish brown (10YR 4/4) medium faint mottles; weak coarse platy structure; firm, nonsticky, very plastic; 0.5 fine roots between peds; 30 percent dark yellowish brown (10YR 4/4) clay films; 5 percent by volume rounded 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary.; moist when described;. discontinuous - phpvsfiid 192685; discontinuous - phpvsfiid 192685
    Btk—76 to 102 centimeters (29.9 to 40.2 inches); dark yellowish brown (10YR 4/6) clay loam; 38 percent clay; 1 percent brown (10YR 5/3) fine distinct and 21 percent brown (10YR 4/3) medium distinct mottles; weak coarse subangular blocky parts to weak medium subangular blocky structure; firm, nonsticky, very plastic; faint clay films; 3 percent medium dendritic iron-manganese masses; 3 percent medium dendritic carbonate masses; 5 percent by volume rounded 2-39-75 millimeter unspecified fragments; strong effervescence, by hydrogen peroxide, unspecified; moderately alkaline, pH 8.0, hellige-truog.; moist when described;. patchy - phpvsfiid 192686; patchy - phpvsfiid 192686