IDENTIFIERS

  • Current Taxon Name (Soil Name): NEUNS
  • OSD
  • Series Extent
  • User Site ID: S1954-CA-06-012x
  • User Pedon ID: 54-CA-06-012x
  • Vegetation Plot ID: S1954-CA-06-012x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD5406012
  • NCSS Pedon Lab Data NASIS Record ID - 41217
  • Print Date: 4/21/2026

    • 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: 39.3835144
  • Std. Longitude: -122.7109909
  • Datum: WGS84
  • Township: 18N
  • Range: 8W
  • Section: 25
  • State: California
  • County: CA021—Glenn
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA021—Glenn County, California
  • 7.5 Minute USGS Quad: 39122-D6—Saint John Mountain, California

    • PEDON

  • Describers Name: RAG, JEM-SCS
  • Current Taxonomic Class: Loamy-skeletal, mixed, mesic Ultic Haploxeralfs
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - NEUNS
  • Taxonomic Class - Loamy-skeletal, mixed, mesic Ultic Haploxeralfs
  • Classificaton Date - 11/27/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Landscape: mountains
  • Landform: mountain slope
  • Drainage Class: somewhat excessively
  • Bedrock: metavolcanics
  • Geology: Metamorphosed Intermediate Vol formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/27/2008 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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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    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

    20

    —

    —

    1676

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    0

    1016

    —

    —

    8.3

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    —

    —

    —

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    Oe—0 to 3 centimeters (0.0 to 1.2 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; fragments. Lab sample # UCD03676
    A1—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 4/3), very dark brown (10YR 2/2), moist; very gravelly coarse sandy loam; strong medium granular structure; soft, very friable; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # UCD03677
    B2t—13 to 36 centimeters (5.1 to 14.2 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; very gravelly sandy clay loam; moderate medium granular structure; slightly hard, friable; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.9; gradual smooth boundary. Lab sample # UCD03678
    B3t—36 to 100 centimeters (14.2 to 39.4 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; very gravelly sandy clay loam; moderate medium granular structure; slightly hard, friable; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.8; abrupt irregular boundary. Lab sample # UCD03679
    R—100 to 100 centimeters (39.4 to 39.4 inches); fragments. Lab sample # UCD03680