IDENTIFIERS

  • Current Taxon Name (Soil Name): Yorktree
  • OSD
  • Series Extent
  • User Site ID: S1978CA045113
  • User Pedon ID: 78CA045113
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0522
  • NCSS Pedon Lab Data NASIS Record ID - 48293
  • 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: 39.1650009
  • Std. Longitude: -123.2799988
  • Datum: WGS84
  • Township: 15N
  • Range: 13W
  • Section: 15
  • PLSS Details: 2000 feet E and 1800 feet N of SW corner
  • State: California
  • County: CA045—Mendocino
  • MLRA: 15—Central California Coast Range

    • PEDON

  • Describers Name: RB and SJB
  • Current Taxonomic Class: Fine, mixed, superactive, mesic Ultic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 113
  • Correlated Information:
  • Soil Name - Yorktree
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Yorktree
  • Taxonomic Class - Fine, mixed, mesic Ultic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 7/1/1978
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains or deeply dissected plateaus
  • Slope Shape Down: concave
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1978 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    34

    —

    —

    439

    —

    90

    97

    —

    —

    15

    22

    8

    —

    —

    —

    —

    —

    —

    —

    —
    1A1—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 5/3) interior, dark brown (10YR 3/3) interior, moist; loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; 5.5 very fine and fine tubular and 2.5 fine tubular pores; fragments; neutral, pH 6.6, hellige-truog; clear wavy boundary. Lab sample # 80P02944. few medium roots; common very fine and fine roots
    1A12—13 to 30 centimeters (5.1 to 11.8 inches); brown (10YR 5/3) interior, dark brown (10YR 3/3) interior, moist; loam; moderate medium angular blocky, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 coarse roots; 5.5 very fine and fine tubular and 0.5 coarse tubular pores; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # 80P02945. Patchy silt flows.; few coarse roots; common very fine and fine roots
    1A13—30 to 46 centimeters (11.8 to 18.1 inches); yellowish brown (10YR 5/4) interior, dark brown (10YR 3/3) interior, moist; gravelly loam; moderate fine and medium subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots and 0.5 medium and coarse roots; 5.5 very fine and fine tubular pores; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # 80P02946. Patchy silt flows. 25% 1.5-30 gravel and 5% 3-7 cobble (stone line).; few very fine and fine roots; few medium and coarse roots
    1B21t—46 to 61 centimeters (18.1 to 24.0 inches); brown (10YR 5/3) interior, dark brown (10YR 3/3) interior and brown (10YR 4/3) crushed, moist; gravelly clay loam; strong fine subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 fine roots and 2.5 coarse roots; 5.5 very fine and fine tubular and 2.5 medium tubular pores; 37 percent clay films on faces of peds and 37 percent clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 80P02947. 25% 1.5-30 gravel and 5% 3-7 cobbles (stone line).; common clay films surface features on faces of peds; common clay films surface features in root channels and/or pores; few fine roots; common coarse roots
    1B22t—61 to 107 centimeters (24.0 to 42.1 inches); brown (10YR 5/3) interior, dark brown (10YR 3/3) interior and brown (10YR 4/3) crushed, moist; clay; moderate medium subangular blocky, and moderate fine angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots and 2.5 medium roots; 5.5 very fine and fine tubular pores; 55 percent clay films on faces of peds and 55 percent clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 80P02948. Ten percent 10-20 mm gravel; slickensides.; many clay films surface features on faces of peds; many clay films surface features in root channels and/or pores; common medium roots; few very fine and fine roots
    1B23t—107 to 130 centimeters (42.1 to 51.2 inches); brown (10YR 5/3) interior, very dark grayish brown (10YR 3/2) interior and brown (10YR 4/3) crushed, moist; gravelly clay loam; moderate fine and medium subangular blocky structure; hard, very firm, moderately sticky, moderately plastic; 2.5 very fine roots; 5.5 very fine tubular and 2.5 fine tubular pores; 55 percent clay films on faces of peds and 55 percent clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 80P02949. 25% gravel 1-3 mm; slickensides.; many clay films surface features on faces of peds; many clay films surface features in root channels and/or pores; common very fine roots
    1R—130 to 135 centimeters (51.2 to 53.1 inches); weathered bedrock; fragments. Not sampled. Fractured graywacke.