IDENTIFIERS

  • Current Taxon Name (Soil Name): Coyoterock
  • OSD
  • Series Extent
  • User Site ID: S1983CA605REDW036
  • User Pedon ID: S10CA023007
  • Vegetation Plot ID: S1983CA605REDW036
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0678
  • NCSS Pedon Lab Data NASIS Record ID - 43146
  • Print Date: 4/24/2025

    • 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: 41.1543961
  • Std. Longitude: -123.8912888
  • Datum: WGS84
  • Township: 9N
  • Range: 2E
  • Section: 24
  • PLSS Details: northeast quarter, southeast quarter
  • Location Description: Redwood National Park, Humboldt County, California; upper Copper Creek sub-basin.
  • Map Unit: 485—Pasturerock-Coyoterock-Maneze complex, 15 to 50 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41123-B8—Bald Hills, California

    • PEDON

  • Describers Name: Jack Lewis & Kathy Peirce
  • Current Taxonomic Class: Fine, mixed, active, mesic Oxyaquic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Coyoterock
  • PSC - 41 to 91 cm.
  • Classificaton Date - 4/12/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Coyoterock
  • Taxonomic Class - Fine, mixed, active, mesic Oxyaquic Haplustalf
  • Taxon Kind - series
  • Classificaton Date - 7/12/1983
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from sandstone
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: sandstone, unspecified
  • Geology: Franciscan Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/12/1983 (actual site observation date)
  • Air Photo ID: 10-50
  • Surface Water Kind: none observed
  • Plant Association Name: Oak woodland, young
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - 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

    QUGA4

    SADOI

    FRVE

    VICIA

    TODI

    CHPO3

    ACMIL3

    UMCA

    HYRA3

    HEMIZ

    LIGUS

    SYMO

    RIRO

    BRODI

    GALIU

    ACMIL3

    OSBE

    AQUIL

    HYRA3

    CYNOS2

    BRMA4

    AGGI2

    DAGL

    AREL3

    Quercus garryana

    Salvia dorrii ssp. dorrii var. incana

    Fragaria vesca

    Vicia

    Toxicodendron diversilobum

    Chlorogalum pomeridianum

    Achillea millefolium var. lanulosa

    Umbellularia californica

    Hypochaeris radicata

    Hemizonia

    Ligusticum

    Symphoricarpos mollis

    Ribes roezlii

    Brodiaea

    Galium

    Achillea millefolium var. lanulosa

    Osmorhiza berteroi

    Aquilegia

    Hypochaeris radicata

    Cynosurus

    Bromus marginatus

    Agrostis gigantea

    Dactylis glomerata

    Arrhenatherum elatius

    Oregon white oak

    purple sage

    woodland strawberry

    vetch

    Pacific poison oak

    wavyleaf soap plant

    —

    California laurel

    hairy cat's ear

    tarweed

    licorice-root

    creeping snowberry

    Sierra gooseberry

    brodiaea

    bedstraw

    —

    sweetcicely

    columbine

    hairy cat's ear

    dogstail grass

    mountain brome

    redtop

    orchardgrass

    tall oatgrass

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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

    1—41

    41—99

    73—152

    —40—

    —58—

    —79—
    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

    40

    —

    —

    747

    —

    256

    2300

    —

    220

    13

    15

    7

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    Oi—0 to 1 centimeters (0.0 to 0.4 inches); fragments; abrupt wavy boundary.; observed in pit, small
    A1—1 to 21 centimeters (0.4 to 8.3 inches); grayish brown (2.5Y 5/2) broken face, very dark grayish brown (2.5Y 3/2) broken face, moist; gravelly clay loam; 29 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; friable, noncoherent, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots and 0.5 medium roots and 0.5 fine roots; 10.0 very fine irregular and 10.0 fine irregular pores; 8 percent by volume 76-163-250 millimeter sandstone, unspecified fragments and 8 percent by volume 2-38-76 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 10N03107; moist when described; observed in pit, small
    A2—21 to 41 centimeters (8.3 to 16.1 inches); light brownish gray (2.5Y 6/2) broken face, very dark grayish brown (2.5Y 3/2) broken face, moist; gravelly clay loam; 29 percent clay; moderate coarse subangular blocky, and moderate very coarse subangular blocky structure; friable, noncoherent, slightly sticky, slightly plastic; moderate permeability; 4.0 very fine roots and 0.5 medium roots and 0.5 fine roots; 4.0 very fine irregular pores; 15 percent by volume 2-38-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, hellige-truog; abrupt irregular boundary. Lab sample # 10N03108; moist when described; observed in pit, small
    BAt—41 to 73 centimeters (16.1 to 28.7 inches); pale yellow (2.5Y 7/4) broken face, light olive brown (2.5Y 5/4) broken face, moist; gravelly clay loam; 35 percent clay; moderate coarse subangular blocky, and moderate very coarse subangular blocky structure; noncoherent, moderately sticky, moderately plastic; slow permeability; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 0.5 very fine irregular pores; 18 percent faint , moist, clay films on all faces of peds and 19 percent faint , moist, clay films on surfaces along pores; 3 percent by volume 75-163-250 millimeter sandstone, unspecified fragments and 15 percent by volume 2-38-75 millimeter sandstone, unspecified fragments; noneffervescent; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # 10N03109; moist when described; observed in pit, small
    Bt—73 to 99 centimeters (28.7 to 39.0 inches); pale yellow (2.5Y 7/4) broken face, light olive brown (2.5Y 5/4) broken face, moist; gravelly clay; 42 percent clay; weak coarse subangular blocky, and weak very coarse subangular blocky structure; noncoherent, very sticky, moderately plastic; very slow permeability; 0.5 very fine roots and 4.0 medium roots and 0.5 fine roots and 4.0 coarse roots; 0.5 very fine irregular pores; 18 percent faint , moist, clay films on surfaces along pores and 19 percent faint , moist, clay films on all faces of peds; 10 percent fine prominent strong brown (7.5YR 5/8), moist, and yellowish brown (10YR 5/8), dry, masses of oxidized iron; 15 percent by volume 2-38-75 millimeter sandstone, unspecified fragments; noneffervescent; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # 10N03110; moist when described; observed in pit, small
    Cg—99 to 152 centimeters (39.0 to 59.8 inches); light gray (10YR 7/1) broken face, gray (10YR 5/1) broken face, moist; gravelly silty clay; 45 percent clay; structureless massive; noncoherent, very sticky, very plastic; very slow permeability; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 very fine irregular pores; 25 percent fine prominent strong brown (7.5YR 5/8), moist, and yellowish brown (10YR 5/6), dry, masses of oxidized iron in matrix and 75 percent gray (10YR 5/1), moist, and light gray (10YR 7/1), dry, reduced matrix; 2 percent by volume 75-163-250 millimeter sandstone, unspecified fragments and 20 percent by volume 2-38-75 millimeter sandstone, unspecified fragments; noneffervescent; extremely acid, pH 4.0, hellige-truog. Lab sample # 10N03111; wet when described; observed in pit, small