IDENTIFIERS

  • Current Taxon Name (Soil Name): Sites
  • OSD
  • Series Extent
  • User Site ID: S1967-CA-05-034x
  • User Pedon ID: 67-CA-05-034x
  • Vegetation Plot ID: S1967-CA-05-034x
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6705034
  • NCSS Pedon Lab Data NASIS Record ID - 42145
  • Print Date: 4/26/2025

    • 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: 38.3600705
  • Std. Longitude: -120.5943912
  • Datum: WGS84
  • Township: 6N
  • Range: 13E
  • Section: 19
  • PLSS Details: SW/4, NW/4
  • Map Unit: 8162—Nedsgulch-Arpatutu complex, 30 to 60 percent slopes
  • 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-C5—Rail Road Flat, California

    • PEDON

  • Describers Name: JAD
  • Current Taxonomic Class: Fine, parasesquic, mesic Xeric Haplohumults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Sites
  • PSC - 23 to 73 cm.
  • Classificaton Date - 1/3/2018
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SITES
  • Taxonomic Class - Clayey, kaolinitic, mesic Xeric Haplohumults
  • Classificaton Date - 1/21/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: well
  • Bedrock: schist, unspecified
  • Geology: Schist. Geologic Formation: Ca formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/21/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - native shrubs
  • 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

    PIPO

    Pinus ponderosa

    ponderosa pine

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    —

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

    ochric epipedon

    argillic horizon

    0—23

    23—122

    —23—

    —99—
    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

    32

    —

    —

    831

    —

    78

    864

    —

    —

    11.1

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    —

    —

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); black (10YR 2/1), brown (10YR 4/3), dry; slightly decomposed plant material; fragments. Lab sample # UCD00910
    Oe—2 to 5 centimeters (0.8 to 2.0 inches); moderately decomposed plant material; fragments. Lab sample # UCD00911
    A—5 to 23 centimeters (2.0 to 9.1 inches); reddish brown (5YR 4/3), brown (7.5YR 5/4), dry; gravelly loam; 43 percent sand; 33 percent silt; 24 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 21.0 medium roots throughout and 21.0 fine roots throughout and 21.0 coarse roots throughout; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.4; clear smooth boundary. Lab sample # UCD00912
    BAt—23 to 46 centimeters (9.1 to 18.1 inches); reddish brown (5YR 4/4), reddish brown (5YR 5/4), dry; clay loam; 37 percent sand; 32 percent silt; 31 percent clay; weak fine subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 21.0 medium roots throughout and 21.0 fine roots throughout and 21.0 coarse roots throughout; 30 percent clay films between sand grains; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.4; clear smooth boundary. Lab sample # UCD00913
    Bt1—46 to 84 centimeters (18.1 to 33.1 inches); dark red (2.5YR 3/6), reddish brown (2.5YR 5/4), dry; clay; 17 percent sand; 20 percent silt; 63 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 75 percent clay films on all faces of peds and 75 percent clay films on surfaces along pores; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.4; diffuse boundary. Lab sample # UCD00914
    Bt2—84 to 122 centimeters (33.1 to 48.0 inches); 50 percent dark red (2.5YR 3/6) and 50 percent 2.5YR 3/8 (2.5YR 3/8), red (2.5YR 5/6), dry; clay; 13 percent sand; 21 percent silt; 66 percent clay; very hard, firm, moderately sticky, moderately plastic; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.9; gradual boundary. Lab sample # UCD00915
    C1—122 to 152 centimeters (48.0 to 59.8 inches); clay; 11 percent sand; 35 percent silt; 54 percent clay; massive; hard, friable, moderately sticky, moderately plastic; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.6; gradual boundary. Lab sample # UCD00916
    C2—152 to 183 centimeters (59.8 to 72.0 inches); clay loam; 22 percent sand; 39 percent silt; 40 percent clay; massive; hard, friable, moderately sticky, moderately plastic; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.5. Lab sample # UCD00917