IDENTIFIERS

  • Current Taxon Name (Soil Name): Devilsnose
  • OSD
  • Series Extent
  • User Site ID: S2009CA630SMM024
  • User Pedon ID: S09CA009007
  • Vegetation Plot ID: S2009CA630SMM024
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0445
  • NCSS Pedon Lab Data NASIS Record ID - 28272
  • 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: 38.2941666
  • Std. Longitude: -120.3819427
  • Datum: WGS84
  • Township: 5 N
  • Range: 14 E
  • Section: 12
  • PLSS Details: about 195 feet south and 2025 feet east of the northwest corner
  • Location Description: about 7.9 miles southeast of the community of Railroad Flat, CA, on the south side of Summit Level Road.
  • Map Unit: 4048—Devilsnose-Lilygap complex, 30 to 60 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Regional Office: SW—Southwest
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-C4—Fort Mountain, California

    • PEDON

  • Describers Name: Sue Malone
  • Current Taxonomic Class: Medial over loamy-skeletal, mixed over isotic, mesic Alfic Humic Haploxerands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Devilsnose (flagged as OSD)
  • PSC - 10 to 110 cm.
  • Classificaton Date - 11/7/2017
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Devilsnose
  • Classificaton Date - 8/6/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over colluvium over residuum weathered from volcanic breccia
  • Landscape: mountains
  • Landform: dissected mountain slope on volcanic erosion remnant
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent volcanic breccia, unspecified at 160cm with 45 to <100
  • Geology: Mehrten Hi Elev Poorly Sorted formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/6/2009 (actual site observation date)
  • Plant Association Name: Sierran Mixed Conifer SMC2
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    ABCO

    ACMA3

    CADE27

    CEIN3

    CERCO

    COCOC

    CONU4

    PILA

    PIPO

    PREM

    QUKE

    RINE

    Abies concolor

    Acer macrophyllum

    Calocedrus decurrens

    Ceanothus integerrimus

    Cercocarpus

    Corylus cornuta var. californica

    Cornus nuttallii

    Pinus lambertiana

    Pinus ponderosa

    Prunus emarginata

    Quercus kelloggii

    Ribes nevadense

    white fir

    bigleaf maple

    incense cedar

    deerbrush

    mountain mahogany

    California hazelnut

    Pacific dogwood

    sugar pine

    ponderosa pine

    bitter cherry

    California black oak

    Sierra currant

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    moderately coherent

    165 - 200

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

    umbric epipedon

    andic soil properties

    argillic horizon

    paralithic contact

    10—63

    10—63

    63—165

    165—

    —53—

    —53—

    —102—

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    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

    20

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    1345

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    330

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments.
    Oe—5 to 10 centimeters (2.0 to 3.9 inches); moderately decomposed plant material; fragments; abrupt wavy boundary.
    A—10 to 22 centimeters (3.9 to 8.7 inches); brown (7.5YR 4/3), very dark brown (7.5YR 2.5/2), moist; medial loam; 45 percent sand; 38 percent silt; 17 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 8.0 very fine irregular and 8.0 fine irregular pores; 10 percent by volume nonflat subangular indurated 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method; 0.85 grams per cc of Bulk Density; moderately acid, pH 5.9, pH meter; clear wavy boundary.
    AB—22 to 40 centimeters (8.7 to 15.7 inches); brown (7.5YR 4/4), very dark brown (7.5YR 2.5/3), moist; gravelly medial loam; 49 percent sand; 36 percent silt; 15 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 8.0 very fine roots and 0.8 medium roots and 8.0 fine roots; 8.0 very fine irregular and 8.0 fine irregular pores; 3 percent by volume nonflat indurated 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 15 percent by volume nonflat subangular indurated 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method; 0.85 grams per cc of Bulk Density; slightly acid, pH 6.1, pH meter; gradual wavy boundary.
    Bw—40 to 63 centimeters (15.7 to 24.8 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/3), moist; gravelly medial loam; 50 percent sand; 34 percent silt; 16 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 8.0 very fine irregular and 3.0 medium tubular and 8.0 fine irregular pores; ; 5 percent by volume nonflat indurated 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 20 percent by volume nonflat subangular indurated 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method; 0.85 grams per cc of Bulk Density; slightly acid, pH 6.1, pH meter; clear irregular boundary.
    2Bt1—63 to 101 centimeters (24.8 to 39.8 inches); strong brown (7.5YR 4/6), brown (7.5YR 4/4), moist; very cobbly loam; 46 percent sand; 33 percent silt; 21 percent clay; moderate coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.8 very fine roots and 0.8 medium roots and 0.8 fine roots and 0.8 coarse roots; 8.0 medium tubular and 8.0 fine tubular pores; 20 percent distinct dark brown (7.5YR 3/4), dry, clay films on all faces of peds; 3 percent by volume nonflat subangular moderately coherent cemented 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 10 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 30 percent by volume nonflat very strongly coherent cemented 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method; moderately acid, pH 6.0, pH meter; gradual wavy boundary.
    2Bt2—101 to 123 centimeters (39.8 to 48.4 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; very cobbly loam; 48 percent sand; 30 percent silt; 22 percent clay; moderate coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots and 0.8 medium roots and 0.8 fine roots and 0.8 coarse roots; 3.0 medium tubular and 3.0 fine tubular pores; 10 percent distinct brown (7.5YR 4/3), dry, clay films on all faces of peds and 20 percent prominent dark brown (7.5YR 3/3) organoargillans on all faces of peds; 5 percent by volume nonflat moderately coherent cemented 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 15 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 20 percent by volume nonflat moderately coherent cemented 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 30 percent by volume nonflat very strongly coherent cemented 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method; moderately acid, pH 5.8, pH meter; gradual wavy boundary. discontinuous - phpvsfiid 473375; discontinuous - phpvsfiid 473375
    2BCt—123 to 165 centimeters (48.4 to 65.0 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; very cobbly clay; 27 percent sand; 31 percent silt; 42 percent clay; weak coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots and 0.8 fine roots; 0.8 medium tubular and 0.8 fine tubular pores; 15 percent distinct brown (7.5YR 4/4), dry, clay films on all faces of peds; 5 percent by volume nonflat subangular moderately coherent cemented 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 10 percent by volume nonflat moderately coherent cemented 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 15 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter volcanic breccia, unspecified fragments observed by visual inspection method and 40 percent by volume nonflat very strongly coherent cemented 75-163-250 millimeter volcanic breccia, unspecified fragments observed by visual inspection method; strongly acid, pH 5.5, pH meter; abrupt wavy boundary. discontinuous - phpvsfiid 473377; discontinuous - phpvsfiid 473377
    2Cr—165 to 200 centimeters (65.0 to 78.7 inches); 70 percent reddish yellow (5YR 6/6) and 30 percent reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6), moist; bedrock; massive; ; fragments.