IDENTIFIERS

  • Current Taxon Name (Soil Name): Sites
  • OSD
  • Series Extent
  • User Site ID: S1972-CA-04-029x
  • User Pedon ID: 72-CA-04-029x
  • Vegetation Plot ID: S1972-CA-04-029x
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7204029
  • NCSS Pedon Lab Data NASIS Record ID - 42234
  • Print Date: 2/16/2025

    • 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: 39.6444359
  • Std. Longitude: -121.2074509
  • Datum: WGS84
  • Township: 21N
  • Range: 7E
  • Section: 28
  • PLSS Details: SW/4, SW/4
  • State: California
  • County: CA007—Butte
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-F2—Cascade, California

    • PEDON

  • Describers Name: JIM, WRA, FWH, WRP
  • Current Taxonomic Class: Fine, parasesquic, mesic Xeric Haplohumults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Sites
  • PSC - 31 to 81 cm.
  • Classificaton Date - 12/11/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SITES
  • Taxonomic Class - Clayey, oxidic, mesic Xeric Haplohumults
  • Classificaton Date - 2/25/2009
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/25/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • 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—31

    31—143

    —31—

    —112—
    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

    6

    —

    —

    1274

    —

    225

    1727

    —

    —

    12.2

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    —

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # UCD01869
    A—3 to 18 centimeters (1.2 to 7.1 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 4/4), dry; clay loam; 40 percent sand; 32 percent silt; 28 percent clay; moderate fine granular structure; friable, nonsticky, slightly plastic; 0.5 fine roots throughout; 3.0 fine tubular pores; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # UCD01870
    AB—18 to 31 centimeters (7.1 to 12.2 inches); 5YR 3/6 (5YR 3/6), yellowish red (5YR 4/6), dry; very gravelly clay loam; 32 percent sand; 30 percent silt; 38 percent clay; moderate medium granular parts to moderate fine granular structure; friable, slightly sticky, slightly plastic; 3.0 fine roots throughout; 3.0 fine irregular pores; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # UCD01871
    BAt—31 to 46 centimeters (12.2 to 18.1 inches); dark red (2.5YR 3/6), yellowish red (5YR 5/6), dry; clay; 27 percent sand; 29 percent silt; 44 percent clay; weak medium subangular blocky parts to weak fine subangular blocky structure; firm, slightly sticky, moderately plastic; 3.0 medium roots throughout and 3.0 fine roots throughout; 0.5 fine tubular pores; 10 percent clay films on all faces of peds; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # UCD01872
    Bt1—46 to 67 centimeters (18.1 to 26.4 inches); dark red (2.5YR 3/6), yellowish red (5YR 5/8), dry; clay; 15 percent sand; 31 percent silt; 54 percent clay; moderate fine subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; 30 percent clay films on all faces of peds; fragments; strongly acid, pH 5.4; clear smooth boundary. Lab sample # UCD01873
    Bt2—67 to 107 centimeters (26.4 to 42.1 inches); red (2.5YR 4/6), yellowish red (5YR 5/8), dry; gravelly clay; 13 percent sand; 34 percent silt; 53 percent clay; strong medium subangular blocky parts to strong medium angular blocky structure; firm, moderately sticky, moderately plastic; 0.5 fine roots throughout; 3.0 fine tubular pores; clay films on all faces of peds; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.2; gradual smooth boundary. Lab sample # UCD01874. continuous - phpvsfiid 662570; continuous - phpvsfiid 662570
    BCt—107 to 143 centimeters (42.1 to 56.3 inches); 5YR 4/8 (5YR 4/8), yellowish red (5YR 5/6), dry; gravelly clay; 21 percent sand; 31 percent silt; 48 percent clay; massive; firm, slightly sticky, moderately plastic; 3.0 fine tubular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.2. Lab sample # UCD01875