IDENTIFIERS

  • Current Taxon Name (Soil Name): SHERIDAN
  • OSD
  • Series Extent
  • User Site ID: S1974CA041001
  • User Pedon ID: 74CA041001
  • Vegetation Plot ID: S1974CA041001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 74C0012
  • NCSS Pedon Lab Data NASIS Record ID - 44773
  • 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: 38.0866661
  • Std. Longitude: -122.9430542
  • Datum: WGS84
  • Location Description: Marin County, California. In Point Reyes National Seashore, 1.9 miles east of Sir Francis Drake Blvd. on Vision Road, on proposed burn site.
  • State: California
  • County: CA041—Marin
  • MLRA: 15—Central California Coast Range
  • Non-MLRA Soil Survey Area: CA041—Marin County, California

    • PEDON

  • Describers Name: T. Cook & D. Nettleton
  • Current Taxonomic Class: Coarse-loamy, mixed Pachic Xerumbrepts
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x then edited
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - SHERIDAN
  • PSC - 25 to 84 cm.
  • Classificaton Date - 11/26/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Unnamed
  • Classificaton Date - 6/1/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: steep mountain slope
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1974 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    GAYLU

    PIMU

    Gaylussacia

    Pinus muricata

    huckleberry

    Bishop pine

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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

    38

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    280.4

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    863

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    A11—0 to 8 centimeters (0.0 to 3.1 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; gravelly sandy loam; moderate very fine single grain, and moderate fine single grain; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 21.0 medium roots and 21.0 fine roots and 0.5 coarse roots; 21.0 very fine interstitial and 21.0 fine interstitial and 0.5 fine tubular pores; 20 percent by volume 2-?-75 millimeter unspecified fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # 74C00078
    O—8 to 0 centimeters (3.1 to 0.0 inches); highly decomposed plant material; very fine single grain, and fine single grain; fragments; clear wavy boundary.
    A12—8 to 20 centimeters (3.1 to 7.9 inches); very dark brown (10YR 2/2), very dark grayish brown (10YR 3/2), dry; gravelly sandy loam; weak fine subangular blocky, and weak medium subangular blocky, and weak very fine single grain, and weak fine single grain; soft, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 21.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 21.0 very fine interstitial and 21.0 fine interstitial and 0.5 fine tubular pores; 20 percent by volume 2 - 75-? millimeter unspecified fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # 74C00079
    A13—20 to 40 centimeters (7.9 to 15.7 inches); dark brown (10YR 3/3), dark grayish brown (10YR 4/2), dry; gravelly sandy loam; weak fine subangular blocky, and weak medium subangular blocky, and weak very fine single grain, and weak fine single grain; soft, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 21.0 very fine interstitial and 21.0 fine interstitial and 0.5 fine tubular pores; 20 percent by volume 2-?-75 millimeter unspecified fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 74C00080
    A14—40 to 66 centimeters (15.7 to 26.0 inches); very dark brown (10YR 2/2), brown (10YR 4/3), dry; gravelly sandy loam; weak medium subangular blocky, and weak fine single grain; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 medium roots and 0.5 fine roots and 3.0 coarse roots; 3.0 very fine interstitial and 0.5 very fine tubular pores; 25 percent by volume 2-?-75 millimeter unspecified fragments; moderately acid, pH 5.8. Lab sample # 74C00081
    AC—66 to 84 centimeters (26.0 to 33.1 inches); very dark brown (10YR 2/2), yellowish brown (10YR 5/6), dry; gravelly sandy loam; weak medium subangular blocky, and weak fine single grain; very friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 medium roots and 0.5 fine roots; 3.0 very fine interstitial and 0.5 fine tubular pores; 40 percent by volume 20-?-75 millimeter unspecified fragments; moderately acid, pH 5.6; clear irregular boundary. Lab sample # 74C00082
    C—84 to 107 centimeters (33.1 to 42.1 inches); dark yellowish brown (10YR 4/4); 10 percent clay films on all faces of peds; fragments. Lab sample # 74C00083