IDENTIFIERS

  • Current Taxon Name (Soil Name): POWDER
  • OSD
  • Series Extent
  • User Site ID: S1997OR023029
  • User Pedon ID: S1997OR023029
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0239
  • NCSS Pedon Lab Data NASIS Record ID - 10510
  • Print Date: 2/16/2025

    • 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: 44.5080566
  • Std. Longitude: -119.6141663
  • Datum: WGS84
  • State: Oregon
  • County: OR023—Grant
  • MLRA Soil Survey Area: NW-RED—Redmond, Oregon
  • 7.5 Minute USGS Quad: 44119-E5—Picture Gorge East, Oregon

    • PEDON

  • Describers Name: Stan Winther
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 29
  • Sampled As Information:
  • Soil Name - POWDER
  • Taxonomic Class - Coarse-silty, mixed Cumulic Haploxerolls
  • Classificaton Date - 10/1/1997
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: river valley
  • Landform: flood plain
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1997 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    1

    —

    —

    689

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    A—0 to 11 centimeters (0.0 to 4.3 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silt loam; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; 80.0 very fine roots and 8.0 fine roots; 18.0 very fine interstitial and 8.0 fine interstitial pores; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 98P01403
    AB—11 to 38 centimeters (4.3 to 15.0 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silt loam; weak medium subangular blocky structure; soft, very friable, nonsticky, slightly plastic; 60.0 very fine roots and 6.0 fine roots; 12.0 very fine tubular pores; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.1, hellige-truog; clear smooth boundary. Horizons A/AB were combined for sampling, AB's sample number is 98P1403
    Bw—38 to 66 centimeters (15.0 to 26.0 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silt loam; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 5.0 very fine roots; 80.0 very fine tubular pores; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.3, hellige-truog; abrupt smooth boundary. Lab sample # 98P01404
    C1—66 to 79 centimeters (26.0 to 31.1 inches); brown (10YR 5/3) exterior, dark brown (10YR 3/3) exterior, moist; fine sandy loam; massive; soft, very friable, nonsticky, nonplastic; 4.0 very fine roots; 20.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 98P01405
    C2—79 to 101 centimeters (31.1 to 39.8 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silt loam; massive; soft, friable, nonsticky, nonplastic; 3.0 very fine roots; 15.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.1, hellige-truog; gradual wavy boundary. Lab sample # 98P01406
    C3—101 to 147 centimeters (39.8 to 57.9 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silt loam; 2 percent brown (10YR 4/3) fine faint spherical mottles; massive; soft, friable, slightly sticky, slightly plastic; 2.0 very fine roots; 10.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.1, hellige-truog; abrupt wavy boundary.
    2C4—147 to 152 centimeters (57.9 to 59.8 inches); exterior, exterior, moist; sandy loam; single grain; loose, loose, nonsticky, nonplastic; fragments; noneffervescent, by hcl, 1n.