IDENTIFIERS

  • Current Taxon Name (Soil Name): BROCKGULCH
  • OSD
  • Series Extent
  • User Site ID: S1984CA105001
  • User Pedon ID: 84CA105001
  • Vegetation Plot ID: S1984CA105001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0539
  • NCSS Pedon Lab Data NASIS Record ID - 54783
  • Print Date: 11/23/2024

    • 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: 40.7625008
  • Std. Longitude: -123.0647202
  • Datum: WGS84
  • Township: 34N
  • Range: 11W
  • Section: 36
  • PLSS Details: 850 feet east and 1,700 feet south of NW corner
  • Location Description: Trinity County, California. 3.3 miles west of Junction City on HWY 299, turn south onto dirt road, go 4.9 miles, pit in road cut.
  • State: California
  • County: CA105—Trinity
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA606—Trinity County, California, Weaverville Area

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed Typic Xerochrepts
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - BROCKGULCH
  • Classificaton Date - 3/12/2002
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Modjeska
  • Taxonomic Class - Loamy-skeletal, mixed, thermic Typic Xerochrept
  • Taxon Kind - variant
  • Classificaton Date - 6/1/1984
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: mountain
  • Slope Shape Across: convex
  • Runoff: very high
  • Drainage Class: well
  • Surface Fragments: 55.00 percent 2- to 75-millimeter 10.00 percent 75- to 250-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1984 (actual site observation date)
  • Air Photo ID: 12J-1
  • Surface Cover Properties:
  • 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

    PISA2

    QUCH2

    TODI

    Pinus sabiniana

    Quercus chrysolepis

    Toxicodendron diversilobum

    California foothill pine

    canyon live oak

    Pacific poison oak

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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

    73

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    579.1

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    190

    1206

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    O—0 to 3 centimeters (0.0 to 1.2 inches); material; fragments.; observed in cut
    A—3 to 18 centimeters (1.2 to 7.1 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/6), dry; extremely gravelly loam; 22 percent clay; strong very fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; 65 percent by volume 2-?-75 millimeter unspecified fragments; slightly acid, pH 6.5; gradual wavy boundary.; observed in cut
    BW—18 to 41 centimeters (7.1 to 16.1 inches); dark yellowish brown (10YR 3/6), yellowish brown (10YR 5/8), dry; extremely gravelly loam; 24 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 3.0 very fine tubular and 3.0 fine tubular pores; 10 percent clay bridges between sand grains; 5 percent by volume 75-?-250 millimeter unspecified fragments and 70 percent by volume 2-?-75 millimeter unspecified fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 84P02945; observed in cut
    C—41 to 92 centimeters (16.1 to 36.2 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/8), dry; extremely gravelly loam; 23 percent clay; weak fine subangular blocky structure; slightly hard, 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; 3.0 very fine tubular and 0.5 fine tubular pores; 35 percent by volume 75-?-250 millimeter unspecified fragments and 45 percent by volume 2-?-75 millimeter unspecified fragments; slightly acid, pH 6.5; abrupt wavy boundary. Lab sample # 84P02946; observed in cut
    R—92 to 115 centimeters (36.2 to 45.3 inches); fragments.; observed in cut