IDENTIFIERS

  • Current Taxon Name (Soil Name): Sleepyhollow
  • OSD
  • Series Extent
  • User Site ID: S2000CA023002
  • User Pedon ID: S2000CA023002
  • Vegetation Plot ID: S2000CA023002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01N0354
  • NCSS Pedon Lab Data NASIS Record ID - 15018
  • Print Date: 11/24/2024
  • 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: 40.5137253
  • Std. Longitude: -124.2872543
  • Datum: WGS84
  • Township: 2N
  • Range: 2W
  • Section: 34
  • PLSS Details: northwest quarter
  • Map Unit: 368—Ferncat-Sleepyhollow complex, 9 to 30 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA600—Humboldt County, Central Part, California
  • 7.5 Minute USGS Quad: 40124-E3—Ferndale, California
  • PEDON

  • Describers Name: Sam Liu & William Reed
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, isomesic Typic Palehumults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Sleepyhollow
  • Taxonomic Class - Fine-loamy, mixed, superactive, isomesic Typic Palehumults
  • PSC - 48 to 98 cm.
  • Classificaton Date - 11/2/1998
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: residuum weathered from mudstone and/or siltstone
  • Landscape: mountains
  • Landform: —Error in Exists On—
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: complex
  • Drainage Class: well
  • Flooding: none flooding
  • Geology: Eel River Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/2/1998 (actual site observation date)
  • Air Photo ID: 6247-155
  • 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

    ABGR

    CIRSI

    PTAQ

    Abies grandis

    Cirsium

    Pteridium aquilinum

    grand fir

    thistle

    western brackenfern

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    48—178

    —130—

    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

    40

    560

    12

    1525

    10

    10

    Oe—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; slightly moist when described; observed in pit, small
    A—5 to 23 centimeters (2.0 to 9.1 inches); black (10YR 2/1) broken face, very dark grayish brown (10YR 3/2) broken face, dry; loam; 25 percent sand; 50 percent silt; 26 percent clay; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 4.0 very fine roots and 0.5 medium roots and 0.5 fine roots; 10.0 very fine irregular pores; fragments; very strongly acid, pH 4.8, pH meter; clear smooth boundary. Lab sample # 01N02135; slightly moist when described; observed in pit, small
    AB—23 to 48 centimeters (9.1 to 18.9 inches); very dark brown (10YR 2/2) broken face, very dark grayish brown (10YR 3/2) broken face, dry; loam; 25 percent sand; 50 percent silt; 26 percent clay; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine roots; 10.0 very fine irregular pores; 15 percent clay bridges on all faces of peds; 1 percent by volume 2-3-5 millimeter siltstone, unspecified fragments; very strongly acid, pH 4.9, pH meter; clear smooth boundary. Lab sample # 01N02136; slightly moist when described; observed in pit, small
    Bt1—48 to 97 centimeters (18.9 to 38.2 inches); very dark brown (10YR 2/2) broken face, very dark grayish brown (10YR 3/2) broken face, dry; loam; 26 percent sand; 49 percent silt; 25 percent clay; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine roots; 4.0 very fine irregular pores; 37 percent clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH meter; clear smooth boundary. Lab sample # 01N02137; slightly moist when described; observed in pit, small
    Bt2—97 to 127 centimeters (38.2 to 50.0 inches); yellowish brown (10YR 5/4) broken face, yellowish brown (10YR 5/6) broken face, dry; loam; 28 percent sand; 48 percent silt; 23 percent clay; weak medium angular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 4.0 very fine irregular pores; 70 percent clay films on all faces of peds; fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary. Lab sample # 01N02138; slightly moist when described; observed in pit, small
    Bt3—127 to 178 centimeters (50.0 to 70.1 inches); dark yellowish brown (10YR 4/4) broken face, yellowish brown (10YR 5/4) broken face, dry; loam; 27 percent sand; 48 percent silt; 25 percent clay; weak medium angular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots; 4.0 very fine irregular and 0.5 very fine tubular pores; fragments; very strongly acid, pH 4.9, pH meter; clear smooth boundary. Lab sample # 01N02139; slightly moist when described; observed in pit, small
    Cr—178 to 191 centimeters (70.1 to 75.2 inches); loam; fragments.; observed in pit, small