IDENTIFIERS

  • Current Taxon Name (Soil Name): Cagwin
  • OSD
  • Series Extent
  • User Site ID: S1999CA017004
  • User Pedon ID: 99CA017004
  • Vegetation Plot ID: S1999CA017004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - NSSL
  • Lab Pedon # - 00P0187
  • NCSS Pedon Lab Data NASIS Record ID - 11695
  • Print Date: 12/4/2024

    • 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: 38.8879929
  • Std. Longitude: -120.0330124
  • Datum: WGS84
  • Map Unit: 7411—Cagwin-Rock outcrop complex, 5 to 15 percent slopes, extremely stony
  • State: California
  • County: CA017—El Dorado
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada
  • 7.5 Minute USGS Quad: 38120-H1—Emerald Bay, California

    • PEDON

  • Describers Name: LA
  • Current Taxonomic Class: Sandy, isotic, frigid Humic Dystroxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Cagwin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/7/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Cagwin
  • Taxonomic Class - Sandy, isotic, frigid Humic Xeropsamment
  • Taxon Kind - series
  • Classificaton Date - 9/23/1999
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from granodiorite over residuum weathered from granodiorite
  • Landform: mountain
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Bedrock: granodiorite
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/23/1999 (actual site observation date)
  • 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

    ARTEM

    ARTEM

    PIJE

    Artemisia

    Artemisia

    Pinus jeffreyi

    sagebrush

    sagebrush

    Jeffrey pine

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

    umbric epipedon

    0—38

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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

    10

    —

    —

    1945

    —

    90

    —

    —

    —

    —

    —

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    11

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); dark yellowish brown (10YR 4/4); fragments. Lab sample # 99187-40; observed in trench
    A1—2 to 4 centimeters (0.8 to 1.6 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; gravelly loamy sand; 80 percent sand; 16 percent silt; 4 percent clay; weak very fine granular, and weak fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 30 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 99187-40; observed in trench
    A2—4 to 19 centimeters (1.6 to 7.5 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; gravelly loamy sand; 80 percent sand; 16 percent silt; 4 percent clay; weak very fine granular, and weak fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; 25 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 99187-40; observed in trench
    BC—19 to 38 centimeters (7.5 to 15.0 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly loamy sand; 85 percent sand; 13 percent silt; 2 percent clay; weak very fine granular, and weak fine granular structure; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 2.0 fine roots throughout; 25 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 99187-40; observed in trench
    C1—38 to 56 centimeters (15.0 to 22.0 inches); pale brown (10YR 6/3), yellowish brown (10YR 5/4), moist; gravelly sand; 90 percent sand; 9 percent silt; 1 percent clay; structureless single grain; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 2.0 medium roots throughout and 1.0 coarse roots throughout; 30 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 99187-40; observed in trench
    C2—56 to 104 centimeters (22.0 to 40.9 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/4), moist; gravelly sand; 95 percent sand; 4 percent silt; 1 percent clay; structureless single grain; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 2.0 very coarse roots throughout and 1.0 fine roots throughout and 2.0 coarse roots throughout; 25 percent by volume nonflat 2-?-75 millimeter granodiorite fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 99187-40; observed in trench
    Cr—104 centimeters (40.9 inches); fragments. Lab sample # 99187-40; observed in trench