IDENTIFIERS

  • Current Taxon Name (Soil Name): PONTO
  • OSD
  • Series Extent
  • User Site ID: S1977-CA-47-143x
  • User Pedon ID: 77-CA-47-143x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7747143
  • NCSS Pedon Lab Data NASIS Record ID - 42342
  • 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: 41.2378731
  • Std. Longitude: -121.8670883
  • Datum: WGS84
  • Township: 39N
  • Range: 1E
  • Section: 9
  • PLSS Details: NW/4, NW/4
  • State: California
  • County: CA093—Siskiyou
  • MLRA: 22B—Southern Cascade Mountains
  • Non-MLRA Soil Survey Area: CA604—Intermountain Area, Parts of Lassen, Modoc, Shasta, and Siskiyou Counties, California
  • 7.5 Minute USGS Quad: 41121-B7—Dead Horse Summit, California

    • PEDON

  • Describers Name: JIM
  • Current Taxonomic Class: Medial, mesic Andic Xerumbrepts
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - PONTO
  • Taxonomic Class - Medial, mesic Andic Xerumbrepts
  • Classificaton Date - 3/2/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: well
  • Bedrock: tuff, unspecified
  • Geology: Tuff Over Basalt. Geologic Fo formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/2/2009 (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
    • 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

    4

    —

    —

    1189

    —

    270

    1422

    —

    —

    10

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O1—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # UCD03954
    A11—3 to 11 centimeters (1.2 to 4.3 inches);, dark reddish brown (5YR 3/2), dry; gravelly sandy loam; strong very fine granular structure; very friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 21.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 6.0. Lab sample # UCD03955
    A12—11 to 36 centimeters (4.3 to 14.2 inches);, dark reddish brown (5YR 3/3), dry; gravelly sandy loam; strong very fine granular structure; very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 21.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; slightly acid, pH 6.3. Lab sample # UCD03956
    A3—36 to 59 centimeters (14.2 to 23.2 inches);, dark reddish brown (5YR 3/3), dry; gravelly sandy loam; strong very fine granular structure; very friable, nonsticky, nonplastic; 21.0 medium roots throughout and 3.0 fine roots throughout and 21.0 coarse roots throughout; 21.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; neutral, pH 6.6. Lab sample # UCD03957
    B21—59 to 79 centimeters (23.2 to 31.1 inches);, dark reddish brown (5YR 3/4), dry; gravelly sand; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 21.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; neutral, pH 6.7. Lab sample # UCD03958
    B22—79 to 105 centimeters (31.1 to 41.3 inches);, brown (7.5YR 4/4), dry; very gravelly coarse sandy loam; weak medium subangular blocky structure; friable, nonsticky, nonplastic; 3.0 medium roots throughout and 3.0 fine roots throughout; 21.0 very fine irregular pores; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; neutral, pH 7.0. Lab sample # UCD03959
    B3—105 to 140 centimeters (41.3 to 55.1 inches);, brown (7.5YR 4/4), dry; gravelly coarse sandy loam; weak medium subangular blocky structure; friable, nonsticky, nonplastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments. Lab sample # UCD03960
    C—140 to 186 centimeters (55.1 to 73.2 inches);, brown (7.5YR 4/4), dry; gravelly loamy coarse sand; massive; friable, nonsticky, slightly plastic; 0.5 medium roots throughout; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; neutral, pH 6.9. Lab sample # UCD03961