IDENTIFIERS

  • Current Taxon Name (Soil Name): Sweitberg
  • OSD
  • Series Extent
  • User Site ID: 04-RPM-01
  • User Pedon ID: S2004WA003001
  • Vegetation Plot ID: 04-RPM-01
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0037
  • NCSS Pedon Lab Data NASIS Record ID - 17146
  • Print Date: 11/23/2024
  • 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: 46.2372208
  • Std. Longitude: -117.3944473
  • Datum: WGS84
  • Township: 9N
  • Range: 23E
  • Section: 23
  • PLSS Details: 500 feet south and 500 feet west of the NE corner of the SW1/4
  • Location Description: About 16 miles south of Asotin, WA on WADNR land off of Lickford Rd.
  • State: Washington
  • County: WA003—Asotin
  • Non-MLRA Soil Survey Area: WA603—Asotin County Area, Washington (Asotin and Garfield Counties)
  • PEDON

  • Describers Name: Ron Myhrum
  • Current Taxonomic Class: Fine, smectitic, frigid Pachic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Sweitberg
  • Classificaton Date - 7/24/2007
  • Soil Taxonomic Edition - eighth edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Sweitberg
  • Classificaton Date - 6/16/2004
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and alluvium from weathered basalt
  • Landform: mountain
  • Geomorphic Component Mountains: mountaintop
  • Drainage Class: well
  • Bedrock: indurated basalt at 69cm
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/16/2004 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BROMU

    FEID

    PIPO

    Bromus

    Festuca idahoensis

    Pinus ponderosa

    brome

    Idaho fescue

    ponderosa pine

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    51 - 69 - 102

    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

    5

    1219

    360

    985

    Sourdough Gulch

    SNOTEL

    A1—0 to 10 centimeters (0.0 to 3.9 inches);, very dark brown (10YR 2/2) broken face, moist; silt loam; 20 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 very fine moderate-continuity irregular pores; fragments; gradual smooth boundary. Lab sample # 05N00134; slightly moist when described; observed in pit, small
    A2—10 to 25 centimeters (3.9 to 9.8 inches);, very dark brown (10YR 2/2) broken face, moist; silt loam; 20 percent clay; weak fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 4.0 very fine roots throughout and 4.0 fine roots throughout; 10.0 very fine moderate-continuity tubular pores; fragments; clear smooth boundary. Lab sample # 05N00135; moist when described; observed in pit, small
    Bt1—25 to 36 centimeters (9.8 to 14.2 inches);, dark yellowish brown (10YR 3/4) broken face, moist; silty clay loam; 28 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 4.0 fine moderate-continuity tubular pores; fragments; gradual wavy boundary. Lab sample # 05N00136; moist when described; observed in pit, small
    Bt2—36 to 58 centimeters (14.2 to 22.8 inches);, dark grayish brown (10YR 4/2) broken face, moist; silty clay loam; 35 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, very plastic; 0.5 very fine roots throughout; 0.5 fine moderate-continuity irregular pores; fragments; gradual wavy boundary. Lab sample # 05N00137; moist when described; observed in pit, small
    2Bt3—58 to 69 centimeters (22.8 to 27.2 inches);, dark grayish brown (10YR 4/2) broken face, moist; very gravelly silty clay loam; 35 percent clay; weak medium subangular blocky structure; slightly hard, friable, very sticky, very plastic; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity irregular pores; 15 percent by volume nonflat angular indurated 20-?-75 millimeter basalt fragments and 35 percent by volume nonflat angular indurated 2-?-20 millimeter basalt fragments; gradual smooth boundary. Lab sample # 05N00138; moist when described; observed in pit, small
    R—69 to 79 centimeters (27.2 to 31.1 inches); unweathered bedrock; fragments.; moist when described; observed in pit, small