IDENTIFIERS

  • Current Taxon Name (Soil Name): Tossup
  • OSD
  • Series Extent
  • User Site ID: 04CA023605046
  • User Pedon ID: 04CA023605046
  • Vegetation Plot ID: 04CA023605046
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0641
  • NCSS Pedon Lab Data NASIS Record ID - 18614
  • 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: 40.7320278
  • Std. Longitude: -123.6746111
  • Datum: WGS84
  • Township: 4N
  • Range: 4E
  • Section: 13
  • Location Description: Kinsey Ridge
  • Map Unit: 462—Mooncreek-Noisy-Tossup 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-F6—Board Camp Mountain, California

    • PEDON

  • Describers Name: Bruce Lindsay
  • Current Taxonomic Class: Fine, mixed, semiactive, mesic Typic Palexerults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 446
  • Correlated Information:
  • Soil Name - Tossup
  • PSC - 53 to 103 cm.
  • Classificaton Date - 2/3/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tossup
  • Classificaton Date - 8/2/2004
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from mudstone and/or residuum weathered from mudstone
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Geology: Franciscan Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/2/2004 (actual site observation date)
  • Air Photo ID: 6248-55
  • 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
  • Current Air Temp - 29
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    GASH

    LIDE3

    PSME

    Gaultheria shallon

    Lithocarpus densiflorus

    Pseudotsuga menziesii

    salal

    tanoak

    Douglas-fir

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

    umbric epipedon

    argillic horizon

    0—20

    20—200

    —20—

    —180—
    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

    —

    —

    1550

    —

    90

    —

    —

    —

    —

    —

    —

    —

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); 10YR 2/4 (10YR 2/4), black (10YR 2/1), moist; slightly decomposed plant material; fragments; very strongly acid, pH 4.6, pH indicator strip; abrupt smooth boundary.; dry when described; observed in cut
    A—2 to 20 centimeters (0.8 to 7.9 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; very gravelly loam; 25 percent sand; 42 percent silt; 20 percent clay; weak medium subangular blocky parts to moderate fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 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; 50 percent by volume nonflat very strongly coherent cemented 2-38-75 millimeter mixed fragments; very strongly acid, pH 4.8, pH indicator strip; abrupt smooth boundary.; dry when described; observed in cut
    Bt1—20 to 53 centimeters (7.9 to 20.9 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; gravelly clay; 16 percent sand; 45 percent silt; 45 percent clay; strong medium subangular blocky, and strong fine subangular blocky structure; hard, firm, very sticky, very plastic; 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; 40 percent faint clay films on all faces of peds; 25 percent by volume nonflat very strongly coherent cemented 2-38-75 millimeter mixed fragments; very strongly acid, pH 4.6, pH indicator strip; clear smooth boundary.; dry when described; observed in cut
    Bt2—53 to 95 centimeters (20.9 to 37.4 inches); brownish yellow (10YR 6/6), yellowish brown (10YR 5/6), moist; gravelly clay; 26 percent sand; 45 percent silt; 50 percent clay; strong fine angular blocky structure; hard, very firm, very sticky, very plastic; 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; 60 percent distinct clay films on all faces of peds; 20 percent by volume nonflat very strongly coherent cemented 2-38-75 millimeter mixed fragments; very strongly acid, pH 4.8, pH indicator strip; clear smooth boundary.; dry when described; observed in cut
    Bt3—95 to 123 centimeters (37.4 to 48.4 inches); brownish yellow (10YR 6/6), yellowish brown (10YR 5/6), moist; silty clay; 16 percent sand; 25 percent silt; 50 percent clay; strong very fine angular blocky structure; hard, very firm, very sticky, very plastic; 5.0 medium roots and 5.0 fine roots and 2.0 coarse roots; 2.0 medium tubular pores; 60 percent distinct clay films on all faces of peds; 10 percent by volume nonflat very strongly coherent cemented 2-38-75 millimeter mixed fragments; very strongly acid, pH 5.0, pH indicator strip; clear smooth boundary.; dry when described; observed in cut
    BCt—123 to 200 centimeters (48.4 to 78.7 inches); brownish yellow (10YR 6/6), yellowish brown (10YR 5/6), moist; very gravelly clay; 45 percent sand; 25 percent silt; 45 percent clay; strong very fine angular blocky structure; hard, firm, very sticky, very plastic; 2.0 medium roots; 2.0 medium tubular pores; 60 percent distinct clay films on all faces of peds; 20 percent fine strongly coherent cemented iron-manganese concretions; 40 percent by volume nonflat extremely weakly coherent cemented 2-38-75 millimeter mixed fragments and 40 percent by volume nonflat very strongly coherent cemented 2-38-75 millimeter mixed fragments; very strongly acid, pH 4.8, pH indicator strip.; dry when described; observed in cut