IDENTIFIERS

  • Current Taxon Name (Soil Name): Mooncreek
  • OSD
  • Series Extent
  • User Site ID: 03CA023605030
  • User Pedon ID: 03CA023605030
  • Vegetation Plot ID: 03CA023605030
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0320
  • NCSS Pedon Lab Data NASIS Record ID - 17436
  • Print Date: 2/17/2025

    • 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: 41.0114722
  • Std. Longitude: -123.7845278
  • Datum: WGS84
  • Township: 7N
  • Range: 3E
  • Section: 12
  • Location Description: Pine 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: 41123-A7—Hupa Mountain, California

    • PEDON

  • Describers Name: Bruce Lindsay
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Oxyaquic Palehumults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 330
  • Correlated Information:
  • Soil Name - Mooncreek
  • PSC - 28 to 78 cm.
  • Classificaton Date - 2/3/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Mooncreek
  • Classificaton Date - 6/23/2003
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium and residuum derived from sandstone and mudstone
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, center 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: mudstone
  • Geology: Franciscan Formation formation of the Franciscan group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    F005XB101CA Douglas-fir/tanoak, mountain slopes, sandstone and mudstone, clay loam

    • SITE OBSERVATION

  • Observation Date: 6/23/2003 (actual site observation date)
  • Air Photo ID: 6250-88
  • 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

    ARME

    LIDE3

    PSME

    PTAQ

    WHMO

    Arbutus menziesii

    Lithocarpus densiflorus

    Pseudotsuga menziesii

    Pteridium aquilinum

    Whipplea modesta

    Pacific madrone

    tanoak

    Douglas-fir

    western brackenfern

    common whipplea

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

    umbric epipedon

    argillic horizon

    aquic conditions

    2—28

    28—160

    28—160

    —26—

    —132—

    —132—
    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

    24

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    1200

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    80

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; 2 percent sand; 2 percent silt; 2 percent clay; fragments; very strongly acid, pH 5.0, pH indicator strip; abrupt smooth boundary.; dry when described; observed in cut
    A1—2 to 10 centimeters (0.8 to 3.9 inches); very dark brown (10YR 2/2), yellowish brown (10YR 5/4), dry; very gravelly loam; 25 percent sand; 42 percent silt; 18 percent clay; moderate medium subangular blocky parts to strong fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate 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; 40 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.2, pH indicator strip; clear smooth boundary. Lab sample # 05N01821; dry when described; observed in cut
    A2—10 to 28 centimeters (3.9 to 11.0 inches); dark brown (10YR 3/3), yellowish brown (10YR 5/4), dry; very gravelly loam; 20 percent sand; 42 percent silt; 18 percent clay; moderate medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate 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; 3 percent fine iron-manganese masses; 40 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.2, pH indicator strip; clear smooth boundary. Lab sample # 05N01822; dry when described; observed in cut
    Bt1—28 to 42 centimeters (11.0 to 16.5 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; loam; 16 percent sand; 45 percent silt; 23 percent clay; strong medium subangular blocky, and strong fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate 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; 1 percent faint clay films on all faces of peds; 3 percent fine iron-manganese masses; 10 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.2, pH indicator strip; clear smooth boundary. Lab sample # 05N01823; dry when described; observed in cut
    Bt2—42 to 65 centimeters (16.5 to 25.6 inches); dark yellowish brown (10YR 4/6), yellowish brown (10YR 5/6), dry; clay loam; 26 percent sand; 45 percent silt; 29 percent clay; strong medium subangular blocky, and strong fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; moderately 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; 3 percent distinct clay films on all faces of peds; 3 percent fine iron-manganese masses; 5 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.4, pH indicator strip; clear smooth boundary. Lab sample # 05N01824; dry when described; observed in cut
    Bt3—65 to 96 centimeters (25.6 to 37.8 inches); yellowish brown (10YR 5/6), yellowish brown (10YR 5/6), dry; clay; 16 percent sand; 25 percent silt; 50 percent clay; strong fine subangular blocky structure; hard, friable, very sticky, very plastic; slow permeability; 5.0 medium roots and 5.0 fine roots and 2.0 coarse roots; 2.0 medium tubular pores; 2 percent distinct clay films on all faces of peds; 3 percent fine iron-manganese masses; 40 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.4, pH indicator strip; clear smooth boundary. Lab sample # 05N01825; dry when described; observed in cut
    Bt4—96 to 160 centimeters (37.8 to 63.0 inches); yellowish brown (10YR 5/6), yellowish brown (10YR 5/6), dry; clay; 45 percent sand; 25 percent silt; 40 percent clay; weak fine angular blocky structure; hard, friable, very sticky, very plastic; slow permeability; 2.0 medium roots; 2.0 medium tubular pores; 2 percent faint clay films on all faces of peds; 3 percent fine iron-manganese masses; 5 percent by volume nonflat subangular very strongly coherent cemented 2-38-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.4, pH indicator strip. Lab sample # 05N01826; dry when described; observed in cut