IDENTIFIERS

  • Current Taxon Name (Soil Name): TRAILHEAD
  • OSD
  • Series Extent
  • User Site ID: S1962-CA-12-024x
  • User Pedon ID: 62-CA-12-024x
  • Vegetation Plot ID: S1962-CA-12-024x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6212024
  • NCSS Pedon Lab Data NASIS Record ID - 42001
  • Print Date: 9/24/2024
  • 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: 41.2853241
  • Std. Longitude: -123.9310074
  • Datum: WGS84
  • Township: 10N
  • Range: 2E
  • Section: 3
  • PLSS Details: NW/4, SE/4
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41123-C8—Holter Ridge, California
  • PEDON

  • Describers Name: JEM, RCH, BFS, JAD
  • Current Taxonomic Class: Clayey, mixed, isomesic Oxyaquic Palehumults
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - TRAILHEAD
  • Taxonomic Class - Clayey, mixed, isomesic Oxyaquic Palehumults
  • Classificaton Date - 1/28/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: RES
  • Drainage Class: well
  • Bedrock: sandstone, unspecified
  • Geology: Hard Sandstone formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/28/2009 (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
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PSEUD7

    Pseudotsuga

    Douglas-fir

    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

    25

    457

    90

    2286

    11.1

    O1—0 to 8 centimeters (0.0 to 3.1 inches); fragments. Lab sample # UCD04315
    A1—8 to 21 centimeters (3.1 to 8.3 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; gravelly clay loam; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 21.0 very fine tubular and 21.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # UCD04316
    A3—21 to 36 centimeters (8.3 to 14.2 inches); dark reddish brown (5YR 3/3), brown (7.5YR 5/4), dry; silty clay; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 21.0 very fine irregular and 21.0 very fine tubular pores; fragments; strongly acid, pH 5.4; clear smooth boundary. Lab sample # UCD04317
    B1t—36 to 79 centimeters (14.2 to 31.1 inches); 5YR 3/6 (5YR 3/6), light red (2.5YR 6/6), dry; clay; moderate fine subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 21.0 medium roots throughout and 3.0 fine roots throughout and 21.0 coarse roots throughout; 21.0 very fine tubular pores; 75 percent clay films on surfaces along pores; fragments; strongly acid, pH 5.3; gradual smooth boundary. Lab sample # UCD04318
    B21t—79 to 122 centimeters (31.1 to 48.0 inches); dark red (2.5YR 3/6), red (2.5YR 5/8), dry; clay; weak medium subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 very fine roots throughout and 3.0 medium roots throughout and 0.5 fine roots throughout and 3.0 coarse roots throughout; 3.0 very fine tubular pores; clay films between sand grains and clay films on surfaces along pores; fragments; strongly acid, pH 5.4; diffuse smooth boundary. Lab sample # UCD04319. continuous - phpvsfiid 663166; continuous - phpvsfiid 663167; continuous - phpvsfiid 663166; continuous - phpvsfiid 663167
    B22t—122 to 183 centimeters (48.0 to 72.0 inches); dark red (2.5YR 3/6), light red (2.5YR 6/8), dry; clay; weak medium subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular pores; clay films on all faces of peds and clay films on surfaces along pores; fragments; moderately acid, pH 5.6; diffuse smooth boundary. Lab sample # UCD04320. continuous - phpvsfiid 663168; continuous - phpvsfiid 663169; continuous - phpvsfiid 663168; continuous - phpvsfiid 663169
    B23t—183 to 211 centimeters (72.0 to 83.1 inches); dark red (2.5YR 3/6), light red (2.5YR 6/6), dry; gravelly clay; moderate fine subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 very fine tubular pores; clay films on all faces of peds; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.7. Lab sample # UCD04321. continuous - phpvsfiid 663170; continuous - phpvsfiid 663170