IDENTIFIERS

  • Current Taxon Name (Soil Name): Hawthorse
  • OSD
  • Series Extent
  • User Site ID: 04CA023605219
  • User Pedon ID: 04CA023605219
  • Vegetation Plot ID: 04CA023605219
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0647
  • NCSS Pedon Lab Data NASIS Record ID - 18620
  • 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: 40.8216111
  • Std. Longitude: -123.8320278
  • Datum: WGS84
  • Township: 5N
  • Range: 3E
  • Section: 15
  • Location Description: Russ Ranch
  • Map Unit: 477—Rockus-Flyat-Hawthorse complex, 9 to 30 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 40123-G7—Maple Creek, California

    • PEDON

  • Describers Name: Kari Harrison
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Oxyaquic Palehumults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 4219
  • Correlated Information:
  • Soil Name - Hawthorse
  • PSC - 16 to 66 cm.
  • Classificaton Date - 2/3/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Hawthorse
  • Classificaton Date - 5/17/2004
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium and residuum derived from sandstone and mudstone
  • Landscape: mountains
  • Landform: ridges and upper mountain slope
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: sandstone, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/17/2004 (actual site observation date)
  • Air Photo ID: 6248—48
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - 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

    QUGA4

    Quercus garryana

    Oregon white oak

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

    ochric epipedon

    argillic horizon

    0—16

    16—165

    —16—

    —149—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    5/17/2004

    50

    —

    8
    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

    10

    —

    —

    975

    —

    240

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    A—0 to 16 centimeters (0.0 to 6.3 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 5/3) broken face, dry; gravelly silt loam; 20 percent sand; 56 percent silt; 24 percent clay; moderate very fine subangular blocky, and weak fine granular structure; moderately hard, friable, slightly sticky, moderately plastic; moderate permeability; 10.0 very fine roots and 10.0 fine roots; 3.0 very fine irregular and 6.0 very fine tubular and 3.0 fine irregular pores; 16 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; moderately acid, pH 5.8, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    Bt1—16 to 40 centimeters (6.3 to 15.7 inches); dark grayish brown (10YR 4/2) broken face, brown (10YR 5/3) broken face, dry; gravelly silty clay loam; 15 percent sand; 63 percent silt; 32 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 3.0 medium roots throughout and 4.0 fine roots throughout; 4.0 very fine irregular pores; 20 percent distinct yellowish brown (10YR 5/4) clay films; 15 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    Bt2—40 to 77 centimeters (15.7 to 30.3 inches); brown (10YR 5/3) broken face, pale brown (10YR 6/3) broken face, dry; gravelly clay loam; 31 percent sand; 39 percent silt; 36 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, very sticky, moderately plastic; moderately slow permeability; 2.0 medium roots throughout and 3.0 fine roots throughout and 1.0 coarse roots; 3.0 very fine irregular pores; 50 percent distinct dark yellowish brown (10YR 4/4) clay films; 23 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.7, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    Btg1—77 to 119 centimeters (30.3 to 46.9 inches); grayish brown (10YR 5/2) broken face, light brownish gray (10YR 6/2) broken face, dry; gravelly clay loam; 33 percent sand; 37 percent silt; 38 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; slightly hard, very friable, very sticky, moderately plastic; moderately slow permeability; 2.0 medium roots; 1.0 very fine irregular pores; 20 percent distinct brown (10YR 5/3) clay films; 15 percent fine distinct dendritic noncoherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses throughout and 85 percent very coarse distinct irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions throughout; 20 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    Btg2—119 to 149 centimeters (46.9 to 58.7 inches); dark grayish brown (10YR 4/2) broken face, brown (10YR 5/3) broken face, dry; gravelly clay; 30 percent sand; 29 percent silt; 41 percent clay; moderate coarse subangular blocky parts to weak medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; slow permeability; 2.0 medium roots; 1.0 very fine irregular pores; 10 percent distinct dark yellowish brown (10YR 4/4) clay films; 30 percent fine distinct spherical noncoherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses throughout; 34 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    Btg3—149 to 165 centimeters (58.7 to 65.0 inches); dark grayish brown (10YR 4/2) broken face, grayish brown (10YR 5/2) broken face, dry; gravelly clay; 20 percent sand; 36 percent silt; 44 percent clay; weak coarse subangular blocky parts to moderate medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; slow permeability; 1.0 medium roots; 1.0 very fine irregular pores; 50 percent distinct brown (10YR 4/3) clay films on all faces of peds; 10 percent fine distinct spherical noncoherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses throughout and 50 percent fine distinct irregular noncoherent cemented black (10YR 2/1), moist, manganese masses throughout; 27 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.2, pH indicator strip.; moist when described; observed in pit, small