IDENTIFIERS

  • Current Taxon Name (Soil Name): Redtop
  • OSD
  • Series Extent
  • User Site ID: 04CA023605010
  • User Pedon ID: 04CA023605010
  • Vegetation Plot ID: 04CA023605010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0319
  • NCSS Pedon Lab Data NASIS Record ID - 17435
  • 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: 40.7627778
  • Std. Longitude: -123.7680556
  • Datum: WGS84
  • Township: 5N
  • Range: 4E
  • Section: 6
  • Location Description: Pardee Creek, Maple Creek quad
  • Map Unit: 474—Burroin-Bagaul complex, 2 to 15 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: Bruce Lindsay
  • 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
  • Correlated Information:
  • Soil Name - Redtop
  • PSC - 12 to 62 cm.
  • Classificaton Date - 5/22/2013
  • Classifier - Jonathan Hooper
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Bagaul
  • Classificaton Date - 4/30/2004
  • 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: summit of mountain
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • 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: 4/30/2004 (actual site observation date)
  • Air Photo ID: 6250-95
  • 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
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARME

    LIDE3

    PSME

    Arbutus menziesii

    Lithocarpus densiflorus

    Pseudotsuga menziesii

    Pacific madrone

    tanoak

    Douglas-fir

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

    ochric epipedon

    argillic horizon

    0—12

    12—155

    —12—

    —143—

    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

    15

    1219

    350

    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; moist when described; observed in cut
    A—2 to 12 centimeters (0.8 to 4.7 inches); brown (7.5YR 5/4) broken face, dark brown (7.5YR 3/4) broken face, moist; gravelly silt loam; 22 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 30.0 very fine roots and 5.0 medium roots and 20.0 fine roots; 30.0 fine irregular pores; 20 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; strongly acid, pH 5.4, pH meter; abrupt smooth boundary.; moist when described; observed in cut
    Bt1—12 to 32 centimeters (4.7 to 12.6 inches); reddish yellow (7.5YR 6/6) broken face, reddish brown (5YR 4/4) broken face, moist; gravelly clay loam; 34 percent clay; strong fine subangular blocky structure; soft, friable, moderately sticky, moderately plastic; 20.0 very fine roots and 20.0 medium roots and 20.0 fine roots; 20.0 very fine tubular and 20.0 fine tubular pores; 20 percent faint clay films on all faces of peds; 20 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; strongly acid, pH 5.4, pH meter; clear smooth boundary.; moist when described; observed in cut
    Bt2—32 to 68 centimeters (12.6 to 26.8 inches); reddish yellow (7.5YR 6/6) broken face, yellowish red (5YR 4/6) broken face, moist; gravelly clay loam; 38 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; 10.0 medium roots and 10.0 fine roots and 5.0 coarse roots; 5.0 medium tubular and 10.0 fine tubular pores; 40 percent distinct clay films on all faces of peds; 20 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; strongly acid, pH 5.4, pH meter; clear smooth boundary.; moist when described; observed in cut
    Bt3—68 to 100 centimeters (26.8 to 39.4 inches); reddish yellow (7.5YR 6/6) broken face, yellowish red (5YR 4/6) broken face, moist; gravelly clay; 43 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, firm, very sticky, very plastic; 5.0 medium roots and 5.0 coarse roots; 5.0 medium tubular and 5.0 fine tubular pores; 50 percent prominent clay films on all faces of peds; 23 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter schist, unspecified fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary.; moist when described; observed in cut
    Bt—100 to 155 centimeters (39.4 to 61.0 inches); reddish yellow (5YR 6/8) broken face, red (2.5YR 4/6) broken face, moist; gravelly clay; 42 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; hard, firm, very sticky, very plastic; 3.0 medium roots and 3.0 coarse roots; 2.0 medium tubular pores; 40 percent prominent 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, pH meter.; moist when described; observed in cut