IDENTIFIERS

  • Current Taxon Name (Soil Name): Gefo
  • OSD
  • Series Extent
  • User Site ID: 99CA693-003
  • User Pedon ID: S99CA017005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 00P0188
  • NCSS Pedon Lab Data NASIS Record ID - 11696
  • Print Date: 2/2/2025

    • 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: 38.9365444
  • Std. Longitude: -120.0801056
  • Datum: WGS84
  • Map Unit: 7452—Gefo gravelly loamy coarse sand, 9 to 30 percent slopes
  • Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada

    • PEDON

  • Describers Name: FFF, LA
  • Current Taxonomic Class: Sandy, mixed, frigid Humic Dystroxerepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Gefo
  • Classificaton Date - 10/7/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Gefo
  • Classificaton Date - 10/5/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: glacial drift derived from metasedimentary rock
  • Landform: outwash plain
  • Surface Fragments: 10.00 percent nonflat 2- to 75-millimeter metasedimentary, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/5/1999 (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
    • 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

    9

    —

    —

    1938

    —

    100

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    0 to 5 centimeters (0.0 to 2.0 inches); fragments.
    A1—5 to 8 centimeters (2.0 to 3.1 inches); brown (10YR 4/3), very dark brown (10YR 2/2), moist; gravelly loamy sand; 75 percent sand; 19 percent silt; 6 percent clay; moderate very fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots; 28 percent by volume nonflat 2-?-75 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # OP 1427S; slightly dry when described;
    A2—8 to 25 centimeters (3.1 to 9.8 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; gravelly loamy sand; 80 percent sand; 13 percent silt; 7 percent clay; moderate very fine granular, and weak subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 5.0 very fine roots and 3.0 medium roots and 0.5 fine roots; 22 percent by volume nonflat 2-?-75 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # OP 1428S; slightly dry when described;
    Bw1—25 to 38 centimeters (9.8 to 15.0 inches); dark yellowish brown (10YR 4/4), very dark brown (7.5YR 2.5/2), moist; gravelly loamy sand; 85 percent sand; 9 percent silt; 6 percent clay; moderate very fine granular, and weak coarse subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots and 2.0 medium roots and 0.3 fine roots; 20 percent by volume nonflat 2-?-75 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary. Lab sample # OP 1429S; slightly moist when described;
    Bw2—38 to 102 centimeters (15.0 to 40.2 inches); dark yellowish brown (10YR 4/4), dark brown (7.5YR 3/4), moist; gravelly loamy sand; 87 percent sand; 6 percent silt; 7 percent clay; moderate very fine granular, and weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 1.0 very fine roots and 1.0 very coarse roots and 2.0 medium roots and 1.0 fine roots and 2.0 coarse roots; 17 percent by volume nonflat 2-?-75 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # OP 1430S; slightly moist when described;
    C1—102 to 132 centimeters (40.2 to 52.0 inches); yellowish brown (10YR 5/6), dark yellowish brown (10YR 3/6), moist; loamy sand; 87 percent sand; 6 percent silt; 7 percent clay; massive; 2.0 medium roots and 1.0 fine roots; 1 percent by volume nonflat 75-?-250 millimeter metasedimentary, unspecified fragments and 12 percent by volume nonflat 2-?-75 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # OP 1431S; moderately moist when described;
    C2—132 to 155 centimeters (52.0 to 61.0 inches); brownish yellow (10YR 6/6), dark yellowish brown (10YR 3/6), moist; gravelly loamy sand; 82 percent sand; 8 percent silt; 10 percent clay; massive; 0.1 very fine roots and 0.5 medium roots and 0.5 fine roots; 2 percent by volume nonflat 75-?-250 millimeter metasedimentary, unspecified fragments and 20 percent by volume nonflat 2-?-75 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.5, hellige-truog. Lab sample # OP 1432S; moderately moist when described;