IDENTIFIERS

  • Current Taxon Name (Soil Name): CONTRA COSTA
  • OSD
  • Series Extent
  • User Site ID: S1956-CA-11-024
  • User Pedon ID: 56-CA-11-024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD5611024
  • NCSS Pedon Lab Data NASIS Record ID - 41305
  • Print Date: 11/11/2024
  • 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: 39.4452515
  • Std. Longitude: -122.4741669
  • Datum: WGS84
  • Township: 18N
  • Range: 6w
  • Section: 1
  • PLSS Details: NE/4
  • State: California
  • County: CA021—Glenn
  • MLRA: 15—Central California Coast Range
  • Non-MLRA Soil Survey Area: CA021—Glenn County, California
  • 7.5 Minute USGS Quad: 39122-D4—Rail Canyon, California
  • PEDON

  • Describers Name: ELB
  • Current Taxonomic Class: Fine, mixed, thermic Typic Xerochrepts
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - CONTRA COSTA
  • Taxonomic Class - Fine, mixed, thermic Typic Xerochrepts
  • Classificaton Date - 2/23/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: RES
  • Bedrock: sandstone, unspecified
  • Geology: Sandstone And Shale formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/23/2009 (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

    52.5

    488

    338

    508

    16.7

    O1/O2—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # UCD04266
    A1—3 to 16 centimeters (1.2 to 6.3 inches); dark brown (7.5YR 3/4), brown (7.5YR 5/4), dry; clay loam; moderate coarse granular structure; hard, friable, moderately sticky, slightly plastic; 21.0 fine roots throughout; 21.0 medium irregular and 21.0 fine irregular pores; fragments; neutral, pH 6.9; abrupt wavy boundary. Lab sample # UCD04267
    B1—16 to 33 centimeters (6.3 to 13.0 inches);, brown (7.5YR 5/4), dry; clay loam; moderate very coarse angular blocky structure; very hard, firm, very sticky, moderately plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 very fine irregular and 3.0 fine irregular pores; 10 percent clay films on all faces of peds; fragments; neutral, pH 6.7; clear wavy boundary. Lab sample # UCD04268. continuous - phpvsfiid 663151; continuous - phpvsfiid 663151
    B2t—33 to 56 centimeters (13.0 to 22.0 inches); dark reddish brown (5YR 3/4), brown (7.5YR 4/3), dry; clay; strong very coarse angular blocky structure; very hard, very firm, very sticky, moderately plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 very fine irregular and 3.0 fine irregular pores; 10 percent clay films on all faces of peds and 10 percent clay films on surfaces along pores; fragments; neutral, pH 6.7; clear wavy boundary. Lab sample # UCD04269. continuous - phpvsfiid 663152; continuous - phpvsfiid 663153; continuous - phpvsfiid 663152; continuous - phpvsfiid 663153
    B3t—56 to 89 centimeters (22.0 to 35.0 inches); dark reddish brown (5YR 3/4), brown (7.5YR 5/4), dry; clay; moderate coarse subangular blocky structure; very hard, firm, very sticky, moderately plastic; 0.5 medium roots throughout; 3.0 very fine irregular and 3.0 fine irregular pores; 10 percent clay films on all faces of peds; fragments; slightly acid, pH 6.5; abrupt irregular boundary. Lab sample # UCD04270. patchy - phpvsfiid 663154; patchy - phpvsfiid 663154
    R—89 to 89 centimeters (35.0 to 35.0 inches); sand; fragments. Lab sample # UCD04271