IDENTIFIERS

  • Current Taxon Name (Soil Name): Hotaw
  • OSD
  • Series Extent
  • Local Phase: deep
  • User Site ID: S1985CA105004
  • User Pedon ID: 85CA105004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0259
  • NCSS Pedon Lab Data NASIS Record ID - 58064
  • Print Date: 2/17/2025

    • 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: 40.7342911
  • Std. Longitude: -122.8452759
  • Datum: WGS84
  • Location Description: Turn W off of Rush Cr. Rd. at N end of Bridge, Rush Cr. turn S on dirt Rd. go 1.8 mi, take right fork
  • State: California
  • County: CA105—Trinity

    • PEDON

  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Ultic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Hotaw
  • PSC - 53 to 103 cm.
  • Classificaton Date - 11/26/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Huntmount V
  • Classificaton Date - 7/1/1985
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1985 (actual site observation date)
  • Surface Cover Properties:
  • 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

    52

    —

    —

    702

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

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    O—0 to 5 centimeters (0.0 to 2.0 inches); partially decomposed organic matter; fragments. Leaves, needles and grass seams.
    A—5 to 15 centimeters (2.0 to 5.9 inches); light brownish gray (10YR 6/2) interior, very dark brown (10YR 2/2) interior, moist; loam; 20 percent clay; moderate very fine and fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 2.5 very fine tubular pores; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 86P01489. 5% fine gravel.; common medium and coarse roots; common very fine and fine roots
    BA—15 to 33 centimeters (5.9 to 13.0 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; sandy clay loam; 23 percent clay; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 2.5 fine and medium roots; 2.5 very fine tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 86P01490. 10% fine gravel.; common fine and medium roots; few very fine roots
    Bt1—33 to 58 centimeters (13.0 to 22.8 inches); pale brown (10YR 6/3) interior, dark yellowish brown (10YR 4/4) interior, moist; sandy clay loam; 24 percent clay; weak fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 2.5 medium and coarse roots; 2.5 very fine tubular and 0.5 fine tubular pores; 15 percent faint clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 86P01491. 10% fine gravel.; few clay films surface features in root channels and/or pores; common medium and coarse roots; few very fine roots
    Bt2—58 to 81 centimeters (22.8 to 31.9 inches); pale brown (10YR 6/3) interior, dark yellowish brown (10YR 4/6) interior, moist; sandy clay loam; 24 percent clay; weak fine and medium subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; 2.5 fine and medium roots and 0.5 coarse roots; 2.5 very fine tubular pores; 15 percent distinct clay films in root channels and/or pores; fragments; strongly acid, pH 5.5, hellige-truog; gradual wavy boundary. Lab sample # 86P01492. 10% fine gravel.; few clay films surface features in root channels and/or pores; common fine and medium roots; few coarse roots
    Bt3—81 to 114 centimeters (31.9 to 44.9 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/6) interior, moist; fine gravelly sandy clay loam; 32 percent clay; weak fine and medium subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; 2.5 fine and medium roots and 0.5 coarse roots; 2.5 very fine tubular pores; 15 percent distinct clay films on faces of peds and in pores; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 86P01493. 20% fine gravel.; few clay films surface features on faces of peds and in pores; common fine and medium roots; few coarse roots
    Crt—114 to 140 centimeters (44.9 to 55.1 inches); weathered bedrock; fragments. Soft, crumbly granitic rock, clay films lime fractures and voids, also granitic rock appears to be forming clay in place to 6' or more in road cuts.