IDENTIFIERS

  • Current Taxon Name (Soil Name): Redtop
  • OSD
  • Series Extent
  • User Site ID: 03CA023605008
  • User Pedon ID: 03CA023605008
  • Vegetation Plot ID: 03CA023605008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0322
  • NCSS Pedon Lab Data NASIS Record ID - 17438
  • Print Date: 11/23/2024

    • 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: 41.1426389
  • Std. Longitude: -123.7423611
  • Datum: WGS84
  • Township: 9N
  • Range: 4E
  • Section: 29
  • Location Description: Near Hog Ranch Creek.
  • Map Unit: 446—Bagaul-Burroin-Redtop complex, 15 to 50 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: 41123-B6—Weitchpec, California

    • PEDON

  • Describers Name: Bruce Lindsay
  • Current Taxonomic Class: Fine, parasesquic, mesic Xeric Palehumults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Redtop
  • PSC - 14 to 64 cm.
  • Classificaton Date - 2/3/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Bagaul
  • Classificaton Date - 10/29/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from schist and/or residuum weathered from schist
  • Landscape: mountains
  • Landform: top mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: schist, unspecified
  • Geology: South Fork Mountain formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/29/2002 (actual site observation date)
  • Air Photo ID: 6246-62
  • Surface Water Kind: none observed
  • 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
  • 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

    PSME

    Arctostaphylos

    Lithocarpus densiflorus

    Pseudotsuga menziesii

    manzanita

    tanoak

    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—14

    14—190

    —14—

    —176—
    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

    35

    —

    —

    700

    —

    170

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    Oi—0 to 6 centimeters (0.0 to 2.4 inches); very dark brown (10YR 2/2) broken face, dark brown (10YR 3/3) broken face, dry; slightly decomposed plant material; loose, loose, nonsticky, nonplastic; 2.0 fine roots; 1.0 fine irregular pores; fragments; moderately acid, pH 5.6; abrupt smooth boundary.; dry when described; observed in cut
    A—6 to 14 centimeters (2.4 to 5.5 inches); reddish brown (5YR 4/4) broken face, strong brown (7.5YR 5/6) broken face, dry; gravelly clay loam; 30 percent clay; moderate very fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderately slow permeability; 20.0 very fine roots and 5.0 medium roots and 20.0 fine roots and 1.0 coarse roots; 5.0 medium tubular and 10.0 fine tubular and 2.0 coarse tubular pores; 20 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6; abrupt wavy boundary. Lab sample # 05N01833; dry when described; observed in cut
    Bt1—14 to 33 centimeters (5.5 to 13.0 inches); yellowish red (5YR 4/6) broken face, reddish yellow (5YR 6/6) broken face, dry; clay loam; 37 percent clay; moderate fine subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; slow permeability; 20.0 very fine roots and 5.0 medium roots and 20.0 fine roots and 1.0 coarse roots; 5.0 medium tubular and 10.0 fine tubular and 2.0 coarse tubular pores; 20 percent faint clay films on all faces of peds; 10 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # 05N01834; dry when described; observed in cut
    Bt2—33 to 57 centimeters (13.0 to 22.4 inches); yellowish red (5YR 4/6) broken face, yellowish red (5YR 5/6) broken face, dry; gravelly clay loam; 37 percent clay; moderate medium subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; slow permeability; 20.0 very fine roots and 2.0 medium roots and 20.0 fine roots and 1.0 coarse roots; 10.0 medium tubular and 10.0 fine tubular and 5.0 coarse tubular pores; 20 percent distinct clay films on all faces of peds; 25 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # 05N01835; dry when described; observed in cut
    Bt3—57 to 100 centimeters (22.4 to 39.4 inches); yellowish red (5YR 4/6) broken face, reddish yellow (5YR 6/6) broken face, dry; gravelly clay loam; 38 percent clay; moderate medium angular blocky structure; hard, friable, moderately sticky, moderately plastic; slow permeability; 20.0 very fine roots and 5.0 medium roots and 20.0 fine roots and 1.0 coarse roots; 10.0 medium tubular and 10.0 fine tubular and 2.0 coarse tubular pores; 20 percent prominent clay films on all faces of peds; 30 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # 05N01836; dry when described; observed in cut
    Bt4—100 to 153 centimeters (39.4 to 60.2 inches); yellowish red (5YR 5/6) broken face, reddish yellow (7.5YR 6/6) broken face, dry; very gravelly clay loam; 35 percent clay; strong medium angular blocky, and strong fine angular blocky structure; hard, firm, very sticky, very plastic; moderately slow permeability; 5.0 medium roots and 5.0 fine roots and 2.0 coarse roots; 2.0 medium tubular pores; 20 percent prominent clay films on all faces of peds; 45 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # 05N01837; dry when described; observed in cut
    2C—153 to 190 centimeters (60.2 to 74.8 inches); yellowish red (5YR 5/6) broken face, reddish yellow (7.5YR 6/6) broken face, dry; extremely gravelly loam; 20 percent clay; structureless massive; slightly hard, friable, slightly sticky, slightly plastic; moderately slow permeability; 2.0 medium roots; 2.0 medium tubular pores; 70 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6.; dry when described; observed in cut