IDENTIFIERS

  • Current Taxon Name (Soil Name): Nedsgulch
  • OSD
  • Series Extent
  • User Site ID: R09CA630SMM006
  • User Pedon ID: S2009SMM006
  • Vegetation Plot ID: R09CA630SMM006
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0452
  • NCSS Pedon Lab Data NASIS Record ID - 24749
  • 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: 38.3574982
  • Std. Longitude: -120.4208298
  • Datum: WGS84
  • Township: 6N
  • Range: 14 E
  • Section: 22
  • PLSS Details: about 2570 feet west and 1940 feet north of the southeast corner
  • Location Description: about 6 miles east of the community of Railroad Flat, CA, near the Black Rock Mine
  • Map Unit: 8162—Nedsgulch-Arpatutu 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: Fine-loamy, mixed, semiactive, mesic Ultic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Nedsgulch
  • PSC - 70 to 120 cm.
  • Classificaton Date - 12/28/2015
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Schaad
  • Classificaton Date - 5/13/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium over Calaveras Complex residuum weathered from metasedimentary rock
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: well
  • Bedrock: moderately coherent strong weathered metasedimentary rock, unspecified at 201cm with 10 to <45
  • Geology: Calaveras Complex Melange formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/13/2009 (actual site observation date)
  • Plant Association Name: Sierra Mixed Conifer SMC1
  • 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

    ACMA3

    ADBI

    CADE27

    MAIAN

    PIPO

    PSME

    TODI

    TRBOL

    Acer macrophyllum

    Adenocaulon bicolor

    Calocedrus decurrens

    Maianthemum

    Pinus ponderosa

    Pseudotsuga menziesii

    Toxicodendron diversilobum

    Trientalis borealis ssp. latifolia

    bigleaf maple

    American trailplant

    incense cedar

    mayflower

    ponderosa pine

    Douglas-fir

    Pacific poison oak

    broadleaf starflower

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

    ochric epipedon

    cambic horizon

    argillic horizon

    0—18

    20—70

    70—201

    —35—

    —-

    —100—
    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

    38

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    957

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    310

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    Oe—3 to 5 centimeters (1.2 to 2.0 inches); moderately decomposed plant material; fragments; abrupt wavy boundary.
    A—5 to 20 centimeters (2.0 to 7.9 inches); brown (7.5YR 5/3), dark brown (7.5YR 3/3), moist; gravelly loam; 40 percent sand; 16 percent clay; weak fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 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; 5 percent by volume nonflat indurated 30-?-76 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat very strongly coherent cemented 2-?-10 millimeter schist, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary.
    BA—20 to 40 centimeters (7.9 to 15.7 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; very gravelly loam; 40 percent sand; 16 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.8 medium roots and 3.0 fine roots and 0.8 coarse roots; 3.0 very fine tubular and 3.0 fine tubular pores; 5 percent by volume indurated 30-?-76 millimeter volcanic, unspecified fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary.
    Bt1—40 to 70 centimeters (15.7 to 27.6 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; gravelly loam; 40 percent sand; 18 percent clay; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 3.0 very fine roots and 0.8 medium roots and 3.0 fine roots and 0.8 coarse roots; 3.0 very fine tubular and 3.0 fine tubular pores; 20 percent distinct brown (7.5YR 4/3), dry, clay films on all faces of peds; 25 percent by volume nonflat 2-?-76 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. discontinuous - phpvsfiid 473357; discontinuous - phpvsfiid 473357
    Bt2—70 to 94 centimeters (27.6 to 37.0 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; gravelly loam; 40 percent sand; 27 percent clay; moderate coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots and 3.0 medium roots and 0.8 fine roots and 3.0 coarse roots; 3.0 very fine tubular and 0.8 fine tubular pores; 50 percent prominent clay films on all faces of peds; 25 percent by volume nonflat 2-?-76 millimeter metasedimentary, unspecified fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. discontinuous - phpvsfiid 473358; discontinuous - phpvsfiid 473358
    Bt3—94 to 110 centimeters (37.0 to 43.3 inches); light yellowish brown (10YR 6/4), brown (7.5YR 5/4), moist; gravelly clay loam; 25 percent sand; 32 percent clay; strong coarse subangular blocky structure; very hard, 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 very fine tubular and 0.8 fine tubular pores; 80 percent prominent clay films on all faces of peds; 5 percent by volume nonflat very strongly coherent cemented 76-?-250 millimeter metasedimentary, unspecified fragments and 12 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. continuous - phpvsfiid 473359; continuous - phpvsfiid 473359
    Bt4—110 to 140 centimeters (43.3 to 55.1 inches); 70 percent light yellowish brown (10YR 6/4) and 30 percent yellowish brown (10YR 5/6), yellowish brown (10YR 5/4), moist; silty clay loam; 18 percent sand; 32 percent clay; moderate coarse subangular blocky structure; very hard, 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; 0.8 very fine irregular and 0.8 fine irregular pores; 80 percent prominent clay films on all faces of peds; 5 percent by volume nonflat 2-?-76 millimeter metasedimentary, unspecified fragments; moderately acid, pH 5.8, hellige-truog; abrupt wavy boundary. continuous - phpvsfiid 473360; continuous - phpvsfiid 473360
    BCt—140 to 201 centimeters (55.1 to 79.1 inches); 50 percent light yellowish brown (10YR 6/4) and 50 percent yellowish brown (10YR 5/6), brown (10YR 5/3), moist; gravelly clay loam; 22 percent sand; 30 percent clay; weak coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots and 0.8 medium roots and 0.8 fine roots; 0.8 very fine irregular and 0.8 fine irregular pores; 30 percent prominent clay films on all faces of peds; 15 percent by volume nonflat moderately coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments and 30 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; moderately acid, pH 5.6, hellige-truog. discontinuous - phpvsfiid 473361; discontinuous - phpvsfiid 473361