IDENTIFIERS

  • Current Taxon Name (Soil Name): Bonta
  • OSD
  • Series Extent
  • User Site ID: S1969CA065001
  • User Pedon ID: S1969CA065001
  • Vegetation Plot ID: S1969CA065001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0059
  • NCSS Pedon Lab Data NASIS Record ID - 43632
  • Print Date: 11/26/2024

    • 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: 33.8325005
  • Std. Longitude: -116.8952789
  • Datum: WGS84
  • Township: 4S
  • Range: 1E
  • Section: 8
  • PLSS Details: SE1/4 SE1/4
  • Location Description: The US Forest Service Nixon Plots nursery area, on North Mountain, on the northwest flanks of the San Jacinto Mountain mass, south of Beaumont, California.
  • State: California
  • County: CA065—Riverside
  • MLRA: 20—Southern California Mountains
  • Non-MLRA Soil Survey Area: CA679—Western Riverside Area, California

    • PEDON

  • Describers Name: F. F. Peterson and C. S. Holzhey.
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Bonta
  • Taxonomic Class - Coarse-loamy, mixed Typic Xerochrepts
  • PSC - 31 to 81 cm.
  • Classificaton Date - 6/27/1969
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: mountainside
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/1969 (actual site observation date)
  • Surface Cover Properties:
  • 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

    ARCTO3

    CEANO

    CEMOG

    Arctostaphylos

    Ceanothus

    Cercocarpus montanus var. glaber

    manzanita

    ceanothus

    birchleaf mountain mahogany

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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

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    1097

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    584

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    Ap1—0 to 5 centimeters (0.0 to 2.0 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; sandy loam; massive; friable, nonsticky, nonplastic; fragments; slightly acid, pH 6.5, unspecified. Lab sample # 69C00309. Horizon subdivided for laboratory study.
    Ap2—5 to 20 centimeters (2.0 to 7.9 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; sandy loam; massive; friable, nonsticky, nonplastic; fragments; slightly acid, pH 6.5, unspecified. Lab sample # 69C00310. Horizon subdivided for laboratory study.
    Ap3—20 to 30 centimeters (7.9 to 11.8 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; sandy loam; massive; friable, nonsticky, nonplastic; fragments; slightly acid, pH 6.5, unspecified. Lab sample # 69C00311. Horizon subdivided for laboratory study.
    A14—30 to 58 centimeters (11.8 to 22.8 inches); brown (10YR 4/3) and dark yellowish brown (10YR 4/4) crushed, pale brown (10YR 6/3), dry; sandy loam; massive; friable, nonsticky, nonplastic; fragments; 20 percent krotovinas (volume percent); slightly acid, pH 6.5, unspecified; gradual smooth boundary. Lab sample # 69C00312
    A15—58 to 79 centimeters (22.8 to 31.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; sandy loam; massive; friable, nonsticky, nonplastic; fragments; slightly acid, pH 6.5, unspecified; clear smooth boundary. Lab sample # 69C00313. Few krotovinas; few brown 1-3 mm linear clay flows, a few slightly clay impregnated bands (10YR 4/4 moist, uncrushed, in the 10YR 4/3 moist matrix).
    B21t—79 to 135 centimeters (31.1 to 53.1 inches); dark yellowish brown (10YR 4/4), brown (10YR 5/3), dry; sandy loam; massive; firm, nonsticky, nonplastic; fragments; slightly acid, pH 6.5, unspecified; clear smooth boundary. Lab sample # 69C00314. 1/4 to 1/2 inch wide horizontal slightly clay impregnated bands at 3 to 5 inch intervals (bands: dark yellowish brown 10YR 4/4, moist; matrix: brown 10YR 4/3, moist).
    IIB22t—135 to 163 centimeters (53.1 to 64.2 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; sandy loam; massive; firm, nonsticky, nonplastic; fragments; slightly acid, pH 6.5, unspecified. Lab sample # 69C00315. Clear 1/2 to 3/4 inch wide, wavy horizontal somewhat clay impregnated bands at 3 to 4 inch intervals in the upper 8 inches of the horizon, with 2/8 to 1 inch wide bands at 2 inch intervals in the lower parts of the horizon, with a few vertical clay bands (bands: 10YR 3/4, moist; matrix: 10YR 4/3, moist; clayey bands in this and above horizon are slightly sticky, a few roots; slightly acid; increased amounts of medium and coarse sand-sized mica in this sedimentary layer. A few 2 inch diameter krotovinas present.