IDENTIFIERS

  • Current Taxon Name (Soil Name): COHASSET
  • OSD
  • Series Extent
  • User Site ID: S1954-CA-52-005
  • User Pedon ID: 54-CA-52-005
  • Vegetation Plot ID: S1954-CA-52-005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD5452005
  • NCSS Pedon Lab Data NASIS Record ID - 41258
  • Print Date: 4/3/2025

    • 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: 40.3232155
  • Std. Longitude: -121.7528534
  • Datum: WGS84
  • Township: 29N
  • Range: 2E
  • Section: 33
  • State: California
  • County: CA103—Tehama
  • MLRA: 22B—Southern Cascade Mountains
  • Non-MLRA Soil Survey Area: CA645—Tehama County, California
  • 7.5 Minute USGS Quad: 40121-C7—Finley Butte, California

    • PEDON

  • Describers Name: KDG, OCO, JIM
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Ultic Haploxeralfs
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - COHASSET
  • Taxonomic Class - Fine-loamy, mixed, mesic Ultic Haploxeralfs
  • Classificaton Date - 2/25/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Drainage Class: well
  • Bedrock: volcanic breccia, unspecified
  • Geology: Andesite Breccia. Geologic For 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

    QUKE

    Quercus kelloggii

    California black oak

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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

    24

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    1067

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    270

    1016

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    11.7

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    O1/O2—0 to 8 centimeters (0.0 to 3.1 inches); fragments; abrupt smooth boundary. Lab sample # UCD01000
    A1—8 to 18 centimeters (3.1 to 7.1 inches); brown (7.5YR 5/4), dark reddish brown (5YR 3/4), moist; loam; strong fine granular parts to strong medium granular structure; soft, very friable, nonsticky; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # UCD01001
    A3—18 to 46 centimeters (7.1 to 18.1 inches); brown (7.5YR 5/4), dark reddish brown (5YR 3/4), moist; loam; medium granular structure; slightly hard, friable, slightly sticky; fragments; moderately acid, pH 5.8; gradual wavy boundary. Lab sample # UCD01002
    B1t—46 to 82 centimeters (18.1 to 32.3 inches); brown (7.5YR 5/4), reddish brown (5YR 4/4), moist; clay loam; strong medium subangular blocky structure; hard, friable, slightly sticky; 0.5 medium roots throughout; 21.0 fine irregular pores; fragments; strongly acid, pH 5.3; gradual irregular boundary. Lab sample # UCD01003
    B2t—82 to 148 centimeters (32.3 to 58.3 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; clay loam; hard, friable, slightly sticky; 10 percent clay films; fragments; very strongly acid, pH 4.8; diffuse boundary. Lab sample # UCD01004. patchy - phpvsfiid 662312; patchy - phpvsfiid 662312
    Cr—148 to 148 centimeters (58.3 to 58.3 inches); fragments. Lab sample # UCD01005