IDENTIFIERS

  • Current Taxon Name (Soil Name): Leggettcreek
  • OSD
  • Series Extent
  • User Site ID: 08CA601946
  • User Pedon ID: 08CA601946
  • Vegetation Plot ID: 08CA601946
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 08N0571
  • NCSS Pedon Lab Data NASIS Record ID - 20259
  • 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: 40.1467813
  • Std. Longitude: -123.8263718
  • Datum: WGS84
  • Location Description: Leggettcreek Watershed. This description is behind 601914 which was redriscribed.
  • Map Unit: 305—Gibsoncreek-Leggettcreek-Seelycreek complex, 50 to 75 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA601—Humboldt County, South Part, California
  • 7.5 Minute USGS Quad: 40123-B7—Miranda, California

    • PEDON

  • Describers Name: Jennifer T. Berman
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, isomesic Dystric Haplustepts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 946
  • Correlated Information:
  • Soil Name - Leggettcreek
  • PSC - 30 to 55 cm.
  • Classificaton Date - 11/7/2011
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Leggettcreek
  • Classificaton Date - 5/7/2008
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very weakly coherent sandstone, unspecified at 58cm with 10 to <45
  • Geology: Marine And Nonmarine Overlap Deposits member of the Quaternary And Tertiary Overlap Deposits group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/7/2008 (actual site observation date)
  • Air Photo ID: 6248-26
  • Plant Association Name: Douglas-fir-redwood
  • 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

    ARME

    LIDE3

    PSME

    SESE3

    VAOV2

    Arbutus menziesii

    Lithocarpus densiflorus

    Pseudotsuga menziesii

    Sequoia sempervirens

    Vaccinium ovatum

    Pacific madrone

    tanoak

    Douglas-fir

    redwood

    California huckleberry

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

    5/7/2008

    50

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    10
    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

    67

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    —

    168

    —

    54

    1650

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    260

    11

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    10

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); 90 percent pinkish gray (7.5YR 6/2) crushed and 10 percent very dark grayish brown (10YR 3/2) crushed, very dark brown (10YR 2/2) crushed and black (10YR 2/1) rubbed, moist; slightly decomposed plant material; fragments; moderately acid, pH 6.0; abrupt smooth boundary.; observed in cut
    A—5 to 12 centimeters (2.0 to 4.7 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; loam; 15 percent clay; moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 5.0 medium roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular and 3.0 medium irregular and 1.0 fine tubular pores; 2 percent by volume nonflat subangular very weakly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.8; clear wavy boundary.; observed in cut
    Bw1—12 to 22 centimeters (4.7 to 8.7 inches); light yellowish brown (10YR 6/4) broken face, brown (10YR 4/3) broken face, moist; fine sandy loam; 16 percent clay; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 1.0 very coarse roots throughout and 10.0 medium roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 2.0 very fine tubular and 2.0 medium tubular and 2.0 fine tubular and 1.0 coarse tubular pores; 2 percent by volume nonflat subangular very weakly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6; gradual wavy boundary.; observed in cut
    Bw2—22 to 47 centimeters (8.7 to 18.5 inches); very pale brown (10YR 7/4) broken face, dark yellowish brown (10YR 4/4) broken face, moist; fine sandy loam; 16 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 2.0 very coarse roots throughout and 10.0 medium roots throughout and 0.5 fine roots throughout and 2.0 coarse roots throughout; 3.0 very fine tubular and 3.0 medium tubular and 1.0 fine tubular and 1.0 coarse tubular pores; 5 percent by volume nonflat subangular very weakly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6; clear wavy boundary.; observed in cut
    Bw3—47 to 88 centimeters (18.5 to 34.6 inches); yellow (10YR 7/6) broken face, yellowish brown (10YR 5/4) broken face, moist; extremely paragravelly fine sandy loam; 10 percent clay; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 1.0 very fine roots throughout and 1.0 very coarse roots throughout and 5.0 medium roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular and 2.0 medium tubular and 1.0 fine tubular and 0.5 coarse tubular pores; 60 percent by volume nonflat subangular very weakly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.8; abrupt wavy boundary.; observed in cut
    Cr—88 to 200 centimeters (34.6 to 78.7 inches); yellow (10YR 7/6) broken face; 0.5 very fine roots in cracks and 0.5 very coarse roots in cracks and 0.5 medium roots in cracks and 0.5 fine roots in cracks and 0.5 coarse roots in cracks; fragments; noneffervescent; moderately acid, pH 5.6.; observed in cut