IDENTIFIERS

  • Current Taxon Name (Soil Name): McDuff
  • OSD
  • Series Extent
  • User Site ID: S1982OR019001
  • User Pedon ID: S1982OR019001
  • Vegetation Plot ID: S1982OR019001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0030
  • NCSS Pedon Lab Data NASIS Record ID - 51722
  • Print Date: 5/20/2024

    • 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: 43.4877777
  • Std. Longitude: -123.8055573
  • Datum: WGS84
  • Township: 24S
  • Range: 9W
  • Section: 18
  • PLSS Details: NW 1/4, NW 1/4, NE 1/4
  • State: Oregon
  • County: OR019—Douglas
  • MLRA: 1—Northern Pacific Coast Range, Foothills, and Valleys
  • Non-MLRA Soil Survey Area: OR649—Douglas County Area, Oregon

    • PEDON

  • Current Taxonomic Class: Clayey, mixed, mesic Typic Haplohumults
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - McDuff
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - McDuff
  • Taxonomic Class - Fine, mixed, mesic Typic Haplohumult
  • Taxon Kind - series
  • Classificaton Date - 8/8/1982
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/1982 (actual site observation date)
  • 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

    ACMA3

    GAFR2

    GASH

    PTERI

    TSHE

    Acer macrophyllum

    Gaylussacia frondosa

    Gaultheria shallon

    Pteridium

    Tsuga heterophylla

    bigleaf maple

    blue huckleberry

    salal

    brackenfern

    western hemlock

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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

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    366

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    O—0 to 5 centimeters (0.0 to 2.0 inches); fragments.
    A—5 to 23 centimeters (2.0 to 9.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silty clay loam; moderate fine and medium granular structure; slightly hard, firm, moderately sticky, moderately plastic; 3.0 fine and medium roots and 0.5 coarse roots; 21.0 interstitial pores; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 83P00135
    BA—23 to 30 centimeters (9.1 to 11.8 inches); brown (7.5YR 4/4), brown (7.5YR 5/4), dry; silty clay loam; moderate fine and medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; 3.0 fine and medium roots and 0.5 coarse roots; 21.0 interstitial pores; 10 percent faint clay films in root channels and/or pores; 10 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary.
    Bt1—30 to 58 centimeters (11.8 to 22.8 inches); strong brown (7.5YR 4/6), strong brown (7.5YR 5/6), dry; silty clay; moderate medium and coarse subangular blocky structure; hard, very firm, very sticky, very plastic; 3.0 fine and medium roots; 3.0 fine and medium tubular pores; 30 percent faint clay films on faces of peds and in pores; 10 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 83P00136
    Bt2—58 to 66 centimeters (22.8 to 26.0 inches); strong brown (7.5YR 4/6), strong brown (7.5YR 5/6), dry; silty clay; weak medium and coarse subangular blocky structure; hard, very firm, very sticky, very plastic; 0.5 fine and medium roots; 3.0 fine and medium pores; 30 percent faint clay films on faces of peds and in pores; 15 percent by volume 2-39-75 millimeter siltstone, unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 83P00137
    C—66 to 86 centimeters (26.0 to 33.9 inches); yellowish brown (10YR 5/6), brownish yellow (10YR 6/6), dry; gravelly silty clay loam; massive; hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots; 0.5 fine tubular pores; 30 percent faint clay films on rock fragments; 55 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog. Lab sample # 83P00138
    Cr—86 to 86 centimeters (33.9 to 33.9 inches); fragments.