IDENTIFIERS

  • Current Taxon Name (Soil Name): CHOOP
  • OSD
  • Series Extent
  • User Site ID: S1972-CA-53-011x
  • User Pedon ID: 72-CA-53-011x
  • Vegetation Plot ID: S1972-CA-53-011x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7253011
  • NCSS Pedon Lab Data NASIS Record ID - 42265
  • Print Date: 3/2/2025

    • 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: 40.6551704
  • Std. Longitude: -122.7583008
  • Datum: WGS84
  • Township: 32N
  • Range: 8W
  • Section: 3
  • PLSS Details: SE/4, SW/4
  • State: California
  • County: CA105—Trinity
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA606—Trinity County, California, Weaverville Area
  • 7.5 Minute USGS Quad: 40122-F7—Lewiston, California

    • PEDON

  • Describers Name: JIM, WRA, FH
  • Current Taxonomic Class: Mixed, mesic Typic Xeropsamments
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - CHOOP
  • Taxonomic Class - Mixed, mesic Typic Xeropsamments
  • Classificaton Date - 2/27/2009
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: somewhat excessively
  • Bedrock: diorite
  • Geology: Quartz Diorite. Geologic Forma formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/27/2009 (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

    —

    —

    —
    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

    69

    —

    —

    869

    —

    90

    1651

    —

    —

    11.7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (2.5Y 3/2), grayish brown (2.5Y 5/2), dry; gravelly loamy coarse sand; weak medium granular structure; soft, very friable; 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 5.7; abrupt wavy boundary. Lab sample # UCD00972
    AC—13 to 30 centimeters (5.1 to 11.8 inches); light yellowish brown (2.5Y 6/4), light gray (2.5Y 7/2), dry; gravelly loamy coarse sand; weak fine granular structure; soft, very friable; 21.0 medium roots throughout and 0.5 fine roots throughout and 21.0 coarse roots throughout; 3.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.8; clear irregular boundary. Lab sample # UCD00973
    C1—30 to 53 centimeters (11.8 to 20.9 inches); pale yellow (2.5Y 7/4), pale yellow (2.5Y 8/2), dry; gravelly loamy coarse sand; single grain; slightly hard, friable; 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; moderately acid, pH 5.7; clear irregular boundary. Lab sample # UCD00974
    Cr—53 to 81 centimeters (20.9 to 31.9 inches); 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 very fine irregular pores; fragments; moderately acid, pH 5.8. Lab sample # UCD00975