IDENTIFIERS

  • Current Taxon Name (Soil Name): Redtop
  • OSD
  • Series Extent
  • User Site ID: 04CA023605215
  • User Pedon ID: 04CA023605215
  • Vegetation Plot ID: 04CA023605215
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0643
  • NCSS Pedon Lab Data NASIS Record ID - 18616
  • 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: 40.9150833
  • Std. Longitude: -123.8658889
  • Datum: WGS84
  • Township: 6N
  • Range: 3E
  • Section: 17
  • Location Description: Lord Ellis Summit. Five mile cutoff road.
  • Map Unit: 445—Burroin-Redtop 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-H7—Lord-Ellis Summit, California

    • PEDON

  • Describers Name: Kari Harrison
  • Current Taxonomic Class: Fine, parasesquic, mesic Typic Palexerults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 4215
  • Correlated Information:
  • Soil Name - Redtop
  • PSC - 10 to 60 cm.
  • Classificaton Date - 2/3/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Redtop
  • Classificaton Date - 4/23/2004
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium and residuum derived form schist
  • Landscape: mountains
  • Landform: ridges and upper mountain slope
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: schist, unspecified
  • Geology: Redwood Creek Schist formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/23/2004 (actual site observation date)
  • Air Photo ID: 6248-50
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARCTO3

    LIDE3

    LUPIN

    PSME

    Arctostaphylos

    Lithocarpus densiflorus

    Lupinus

    Pseudotsuga menziesii

    manzanita

    tanoak

    lupine

    Douglas-fir

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

    ochric epipedon

    argillic horizon

    0—10

    10—160

    —10—

    —150—
    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

    12

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    —

    750

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    60

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (7.5YR 5/4) broken face, brown (7.5YR 4/4) broken face, moist; clay loam; 28 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderately slow permeability; 3.0 very fine roots and 1.0 very coarse roots and 2.0 medium roots and 2.0 fine roots; 10.0 fine interstitial pores; fragments; strongly acid, pH 5.3, pH indicator strip; clear wavy boundary.; moist when described; observed in cut
    Bt1—10 to 26 centimeters (3.9 to 10.2 inches); yellowish red (5YR 5/6) broken face, yellowish red (5YR 5/6) broken face, moist; clay loam; 34 percent clay; strong medium subangular blocky, and strong fine subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; moderately slow permeability; 1.0 very fine roots and 1.0 very coarse roots and 2.0 medium roots and 2.0 fine roots and 2.0 coarse roots; 2.0 fine tubular pores; 25 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in cut
    Bt2—26 to 39 centimeters (10.2 to 15.4 inches); yellowish red (5YR 5/8) broken face, yellowish red (5YR 5/6) broken face, moist; clay loam; 36 percent clay; strong medium subangular blocky parts to strong fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; slow permeability; 0.5 very fine roots and 1.0 very coarse roots and 1.0 medium roots and 0.5 fine roots and 1.0 coarse roots; 1.0 fine tubular pores; 25 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in cut
    Bt3—39 to 64 centimeters (15.4 to 25.2 inches); yellowish red (5YR 5/8) broken face, yellowish red (5YR 5/6) broken face, moist; silty clay loam; 38 percent clay; strong coarse subangular blocky parts to strong fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; slow permeability; 0.2 very fine roots and 3.0 very coarse roots and 0.5 medium roots and 0.2 fine roots; 1.0 fine tubular pores; 40 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in cut
    Bt4—64 to 116 centimeters (25.2 to 45.7 inches); yellowish red (5YR 5/8) broken face, yellowish red (5YR 5/6) broken face, moist; clay loam; 37 percent clay; strong coarse subangular blocky parts to strong fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; slow permeability; 0.1 very fine roots; 1.0 fine tubular pores; 60 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in cut
    Bt5—116 to 138 centimeters (45.7 to 54.3 inches); yellowish red (5YR 5/6) broken face, yellowish red (5YR 5/8) broken face, moist; silty clay; 42 percent clay; strong coarse subangular blocky parts to strong fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; slow permeability; 0.2 medium roots; 1.0 fine tubular pores; 60 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary.; moist when described; observed in cut
    Bt6—138 to 160 centimeters (54.3 to 63.0 inches); yellowish red (5YR 5/6) broken face, yellowish red (5YR 5/8) broken face, moist; clay; 41 percent clay; strong coarse subangular blocky parts to strong fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; slow permeability; 0.2 medium roots; 1.0 fine tubular pores; 80 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 4.8, pH indicator strip.; moist when described; observed in cut