IDENTIFIERS

  • Current Taxon Name (Soil Name): SNOHOMISH
  • OSD
  • Series Extent
  • User Site ID: S1974WA061008
  • User Pedon ID: S1974WA061008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 74C0049
  • NCSS Pedon Lab Data NASIS Record ID - 44810
  • Print Date: 12/7/2025
  • 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: 47.9894447
  • Std. Longitude: -122.1455536
  • Datum: WGS84
  • Township: 29N
  • Range: 5E
  • Section: 22
  • PLSS Details: 1500 feet west and 1250 feet south of the NE corner
  • Location Description: approximately 1 mile north of causeway on Ebbey Island.
  • State: Washington
  • County: WA061—Snohomish
  • Non-MLRA Soil Survey Area: WA661—Snohomish County Area, Washington
  • PEDON

  • Describers Name: Richards, Hartman, and Rasmussen
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Sampled As Information:
  • Soil Name - SNOHOMISH
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/13/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/1974 (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
  • 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

    -3

    889

    10.6

    AP—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; silt loam; moderate fine granular structure; slightly hard, friable, nonsticky, slightly plastic; 21.0 fine and medium roots; 21.0 fine and medium interstitial pores; fragments; very strongly acid, pH 5.0, unspecified; abrupt smooth boundary. Lab sample # 74C00346
    B21G—15 to 36 centimeters (5.9 to 14.2 inches); gray (5Y 6/1), gray (5Y 6/1), dry; silty clay loam; pale olive (5Y 6/4) and reddish brown (5YR 4/4) and 21 percent dark olive gray (5Y 3/2) fine and medium prominent and 21 percent dark reddish brown (2.5YR 3/4) fine and medium prominent mottles; weak fine and medium subangular blocky parts to weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 fine and medium roots; 3.0 very fine tubular and 0.5 fine tubular pores; fragments; very strongly acid, pH 5.0, unspecified; clear wavy boundary. Lab sample # 74C00347
    B22G—36 to 74 centimeters (14.2 to 29.1 inches); very dark grayish brown (2.5Y 3/2), light brownish gray (10YR 6/2), dry; silty clay loam; gray (N 6/0) and dark reddish brown (5YR 3/2) and very dark gray (10YR 3/1) and brown (7.5YR 4/4) and 21 percent black (10YR 2/1) fine distinct mottles; weak medium and coarse platy parts to weak fine subangular blocky structure; hard when dry, friable, slightly sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; fragments; very strongly acid, pH 5.0, unspecified; clear smooth boundary. Lab sample # 74C00348
    2OE1—74 to 91 centimeters (29.1 to 35.8 inches); weak medium platy structure; slightly hard, friable, nonsticky, slightly plastic; fragments; very strongly acid, pH 4.8, unspecified; abrupt smooth boundary. Lab sample # 74C00349. dark reddish brown (5YR 2/2) on broken face and rubbed, hemic material; about 65 percent fiber, about 20 percent after rubbing; 3 percent twigs and wood fragments
    3LDI—91 to 94 centimeters (35.8 to 37.0 inches); gray (5Y 5/1), light gray (5Y 7/1), dry; silty clay loam; massive; hard when dry, friable, slightly sticky, moderately plastic; 0.1 fine tubular pores; fragments; strongly acid, pH 5.2, unspecified; abrupt smooth boundary. Lab sample # 74C00350
    2OE2—94 to 111 centimeters (37.0 to 43.7 inches); massive; hard when dry, friable, nonsticky, slightly plastic; fragments; moderately acid, pH 5.8, unspecified; gradual smooth boundary. Lab sample # 74C00351. very dark grayish brown (10YR 3/2 on broken face and rubbed) hemic materials; about 50 percent fibers, 15 percent after rubbing; 2 percent twigs and wood fragments 1/4 to 1 inch in diameter
    2OE3—111 to 152 centimeters (43.7 to 59.8 inches); massive; hard when dry, friable, nonsticky, slightly plastic; fragments; moderately acid, pH 6.0, unspecified. Lab sample # 74C00352. very dark gray (10Yr 3/1), very dark grayish brown (10YR 3/2) when rubbed, hemic materials, gray (10YR 6/1 on broken face and rubbed) when dry; about 60 percent fiber, about 20 percent when rubbed; 2 percent twigs and wood fragments 1/4 to 1 inch in diameter