IDENTIFIERS

  • Current Taxon Name (Soil Name): Lilygap
  • OSD
  • Series Extent
  • User Site ID: S2007CA630SMM044
  • User Pedon ID: S07CA009005
  • Vegetation Plot ID: S2007CA630SMM044
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0159
  • NCSS Pedon Lab Data NASIS Record ID - 19678
  • Print Date: 4/21/2025

    • 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: 38.4570541
  • Std. Longitude: -120.4070587
  • Datum: WGS84
  • Township: 7 N
  • Range: 14 E
  • Section: 14
  • PLSS Details: about 800 feet east and 1425 feet north of the southwest corner
  • Location Description: about 7.8 miles northeast of the community of West Point, California
  • Map Unit: 4048—Devilsnose-Lilygap complex, 30 to 60 percent slopes
  • Country: US—United States
  • State: California
  • County: CA009—Calaveras
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-D4—Devils Nose, California

    • PEDON

  • Describers Name: Sue Malone
  • Current Taxonomic Class: Medial over loamy, amorphic over isotic, mesic Alfic Humic Haploxerands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Lilygap
  • PSC - 8 to 108 cm.
  • Classificaton Date - 10/26/2017
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Macmerten
  • Classificaton Date - 10/19/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over colluvium derived from volcanic rock
  • Landscape: mountains
  • Landform: broad tabular ridge
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Geology: Mehrten Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/19/2007 (actual site observation date)
  • Plant Association Name: Sierran Mixed Conifer
  • 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 Weather - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABCO

    ACMA3

    CADE27

    CHFO

    CONU4

    PILA

    PIPO

    PSME

    RIBES

    TRBOL

    Abies concolor

    Acer macrophyllum

    Calocedrus decurrens

    Chamaebatia foliolosa

    Cornus nuttallii

    Pinus lambertiana

    Pinus ponderosa

    Pseudotsuga menziesii

    Ribes

    Trientalis borealis ssp. latifolia

    white fir

    bigleaf maple

    incense cedar

    mountain misery

    Pacific dogwood

    sugar pine

    ponderosa pine

    Douglas-fir

    currant

    broadleaf starflower

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

    andic soil properties

    umbric epipedon

    cambic horizon

    argillic horizon

    8—78

    8—57

    57—90

    90—220

    —70—

    —49—

    —33—

    —130—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    10/19/2007

    50

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    9
    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

    37

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    1342

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    340

    1270

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    Oi—0 to 4 centimeters (0.0 to 1.6 inches); slightly decomposed plant material; fragments.
    Oe—4 to 8 centimeters (1.6 to 3.1 inches); moderately decomposed plant material; fragments.
    A—8 to 20 centimeters (3.1 to 7.9 inches); dark brown (7.5YR 3/3) broken face, very dark brown (7.5YR 2.5/2) crushed, moist; medial sandy loam; 56 percent sand; 34 percent silt; 10 percent clay; weak fine subangular blocky parts to weak fine granular structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 8.0 very fine roots throughout and 3.0 medium roots throughout and 8.0 fine roots throughout; 8.0 very fine irregular and 8.0 fine irregular pores; 10 percent by volume nonflat subrounded indurated 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; dry when described; observed in trench
    AB—20 to 57 centimeters (7.9 to 22.4 inches); brown (7.5YR 5/3) broken face, dark brown (7.5YR 3/3) crushed, moist; medial sandy loam; 55 percent sand; 34 percent silt; 11 percent clay; weak coarse subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 8.0 very fine roots throughout and 3.0 medium roots throughout and 8.0 fine roots throughout and 3.0 coarse roots throughout; 8.0 very fine irregular and 8.0 fine irregular pores; 10 percent by volume nonflat subrounded indurated 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method; slightly acid, pH 6.4, hellige-truog; gradual wavy boundary.; dry when described; observed in trench
    Bw1—57 to 78 centimeters (22.4 to 30.7 inches); brown (7.5YR 5/4) broken face, dark brown (7.5YR 3/4) crushed, moist; medial loam; 51 percent sand; 35 percent silt; 14 percent clay; weak coarse subangular blocky structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 8.0 very fine irregular and 0.8 medium tubular and 8.0 fine irregular and 0.8 coarse tubular pores; 2 percent by volume nonflat subrounded strongly coherent cemented 75-163-250 millimeter volcanic, unspecified fragments observed by visual inspection method and 10 percent by volume nonflat subrounded indurated 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; clear wavy boundary.; dry when described; observed in trench
    Bw2—78 to 90 centimeters (30.7 to 35.4 inches); brown (7.5YR 5/4) broken face, dark brown (7.5YR 3/4) crushed, moist; gravelly medial loam; 45 percent sand; 37 percent silt; 18 percent clay; moderate coarse subangular blocky parts to weak medium subangular blocky structure; soft, friable, nonsticky, slightly plastic; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.8 coarse roots throughout; 8.0 very fine irregular and 0.8 medium tubular and 8.0 fine irregular and 0.8 coarse tubular pores; 5 percent by volume nonflat subrounded strongly coherent cemented 75-163-250 millimeter volcanic, unspecified fragments observed by visual inspection method and 15 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.; dry when described; observed in trench
    2Bt1—90 to 120 centimeters (35.4 to 47.2 inches); brown (7.5YR 5/4) broken face, dark yellowish brown (10YR 4/4) crushed, moist; gravelly clay loam; 36 percent sand; 36 percent silt; 28 percent clay; moderate coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 0.8 fine tubular and 3.0 fine irregular pores; 40 percent distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; 30 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method; moderately acid, pH 6.0, hellige-truog; clear wavy boundary.; moist when described; observed in trench
    2Bt2—120 to 140 centimeters (47.2 to 55.1 inches); brown (7.5YR 5/4) broken face, brown (7.5YR 4/4) crushed, moist; clay loam; 32 percent sand; 36 percent silt; 32 percent clay; strong coarse subangular blocky structure; extremely hard, slightly rigid, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 0.8 very fine irregular and 3.0 very fine tubular and 3.0 fine tubular pores; 80 percent prominent brown (7.5YR 4/4), moist, clay films on all faces of peds; 1 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method; moderately acid, pH 6.0, hellige-truog; clear wavy boundary.; moist when described; observed in trench
    2Bt3—140 to 165 centimeters (55.1 to 65.0 inches); brown (7.5YR 4/3) broken face, dark brown (7.5YR 3/4) crushed, moist; clay; 12 percent sand; 30 percent silt; 58 percent clay; strong coarse subangular blocky structure; extremely hard, slightly rigid, very sticky, very plastic; 3.0 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 0.8 very fine irregular and 0.8 fine irregular pores; 95 percent prominent dark brown (7.5YR 3/4), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.9, hellige-truog; gradual wavy boundary.; moist when described; observed in trench. darker color may indicate an old surface
    2Bt4—165 to 190 centimeters (65.0 to 74.8 inches); brown (7.5YR 5/4) broken face, brown (7.5YR 4/4) crushed, moist; clay; 9 percent sand; 38 percent silt; 53 percent clay; strong coarse subangular blocky structure; rigid, rigid, very sticky, very plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 0.8 very fine irregular and 0.8 fine irregular pores; 95 percent prominent brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.9, hellige-truog; clear wavy boundary.; moist when described; observed in trench
    2BCt—190 to 220 centimeters (74.8 to 86.6 inches); 50 percent brown (7.5YR 5/4) broken face and 50 percent very pale brown (10YR 7/3) crushed, 50 percent brown (7.5YR 4/4) crushed and 50 percent brown (10YR 5/3) broken face, moist; paracobbly loam; 41 percent sand; 32 percent silt; 27 percent clay; massive; extremely hard, slightly rigid, moderately sticky, moderately plastic; 0.8 very fine roots throughout; 0.8 very fine irregular and 0.8 fine irregular pores; 30 percent prominent brown (7.5YR 4/4), moist, clay films on rock fragments; 20 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter volcanic, unspecified fragments observed by visual inspection method and 35 percent by volume nonflat subrounded moderately coherent cemented 2-39-75 millimeter tuff breccia fragments observed by visual inspection method and 40 percent by volume nonflat subrounded moderately coherent cemented 75-163-250 millimeter tuff breccia fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; clear wavy boundary.; moist when described; observed in trench