IDENTIFIERS

  • Current Taxon Name (Soil Name): OSO
  • OSD
  • Series Extent
  • User Site ID: S1974WA061002
  • User Pedon ID: S1974WA061002
  • Vegetation Plot ID: S1974WA061002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 74C0043
  • NCSS Pedon Lab Data NASIS Record ID - 44804
  • Print Date: 11/21/2024

    • 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: 48.1444435
  • Std. Longitude: -121.8722229
  • Datum: WGS84
  • Township: 31N
  • Range: 7E
  • Section: 26
  • PLSS Details: 400 feet south and 300 feet west of the center
  • Location Description: Approximately 5 miles NE of Granite Falls, on the Scott Tree Farm.
  • State: Washington
  • County: WA061—Snohomish
  • Non-MLRA Soil Survey Area: WA661—Snohomish County Area, Washington

    • PEDON

  • Describers Name: Rasmussen, Richards, and Hartman
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - OSO
  • PSC - 9 to 84 cm.
  • Classificaton Date - 6/11/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/11/1974 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    2MOSS

    ALNUS

    TSUGA

    —

    Alnus

    Tsuga

    Moss

    alder

    hemlock

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    20

    —

    —

    799

    —

    180

    1778

    —

    —

    6.7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 6 centimeters (0.0 to 2.4 inches); black (10YR 2/1), very dark brown (10YR 2/2), dry; loam; moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 medium and coarse roots and 21.0 fine and medium roots; 21.0 fine interstitial pores; 1 percent by volume angular 75-162-250 millimeter unspecified fragments; extremely acid, pH 4.0, unspecified; abrupt wavy boundary. Lab sample # 74C00306. 10 percent pebbles
    A2—6 to 9 centimeters (2.4 to 3.5 inches); light brownish gray (10YR 6/2), light brownish gray (10YR 6/2) and light gray (10YR 7/2), dry; loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine interstitial and 3.0 fine tubular pores; 1 percent by volume angular 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.6, unspecified; abrupt broken boundary. Lab sample # 74C00307. 10 percent pebbles
    B21HIR—9 to 10 centimeters (3.5 to 3.9 inches); fragments. Lab sample # 74C00313. relatively unweathered argillite bedrock
    B21IR—9 to 15 centimeters (3.5 to 5.9 inches); yellowish red (5YR 4/6), reddish brown (5YR 5/4), dry; gravelly loam; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 medium and coarse roots; 3.0 fine interstitial and 0.5 fine tubular pores; 30 percent iron concretions; 1 percent by volume angular 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.2, unspecified; abrupt irregular boundary. Lab sample # 74C00308. 10 percent pebbles; dark reddish brown (2.5YR 2/4 and 5YR 3/4) stains on ped faces, reddish brown (5YR 4/4) when dry; concretions are 2 to 4 mm in size
    B22IR—15 to 25 centimeters (5.9 to 9.8 inches); reddish brown (5YR 4/4) and brown (7.5YR 4/4), pale brown (10YR 6/3), dry; gravelly loam; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 medium and coarse roots; 3.0 fine interstitial and 0.5 fine tubular pores; fragments; strongly acid, pH 5.2, unspecified; clear wavy boundary. Lab sample # 74C00309. 20 percent pebbles
    B23IR—25 to 48 centimeters (9.8 to 18.9 inches); brown (7.5YR 4/4), pale brown (10YR 6/3), dry; gravelly loam; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 medium and coarse roots; 0.5 fine tubular pores; 2 percent by volume angular 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.2, unspecified; clear smooth boundary. Lab sample # 74C00310. 20 percent pebbles
    B31—48 to 74 centimeters (18.9 to 29.1 inches); brown (7.5YR 4/4), very pale brown (10YR 7/4), dry; gravelly loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 medium and coarse roots; 3.0 fine tubular pores; 10 percent by volume angular 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.2, unspecified; clear smooth boundary. Lab sample # 74C00311. 35 percent pebbles
    B32—74 to 84 centimeters (29.1 to 33.1 inches); yellowish brown (10YR 5/4) and olive brown (2.5Y 4/4), very pale brown (10YR 7/4), dry; gravelly loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 medium roots; 3.0 fine tubular pores; 10 percent by volume angular 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.2, unspecified; abrupt wavy boundary. Lab sample # 74C00312. 35 percent pebbles