IDENTIFIERS

  • Current Taxon Name (Soil Name): Weaverville
  • OSD
  • Series Extent
  • User Site ID: S1983CA105011
  • User Pedon ID: 83CA105011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0086
  • NCSS Pedon Lab Data NASIS Record ID - 53780
  • Print Date: 4/28/2025

    • 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: 40.7261124
  • Std. Longitude: -122.9797211
  • Datum: WGS84
  • Township: 33N
  • Range: 10W
  • Section: 11
  • PLSS Details: 702 meters E and 458 meters S of NW corner
  • Location Description: 3.5 km W of Weaverville on Oregon St.
  • State: California
  • County: CA105—Trinity
  • MLRA: 5—Siskiyou-Trinity Area

    • PEDON

  • Describers Name: D. Howell
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Ultic Palexeralfs
  • 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 #: 11
  • Correlated Information:
  • Soil Name - Weaverville
  • PSC - 38 to 88 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Weaverville
  • Taxonomic Class - Fine, oxidic, mesic Ultic Palexeralf
  • Taxon Kind - series
  • Classificaton Date - 10/1/1983
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: hillside or mountainside
  • Slope Shape Down: convex
  • Runoff: high
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1983 (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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—10

    38—200

    —-

    —-
    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

    36

    —

    —

    1081

    —

    0

    300

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 3 centimeters (0.0 to 1.2 inches); undecomposed organic matter; fragments. not sampled
    A—3 to 13 centimeters (1.2 to 5.1 inches); reddish brown (5YR 5/4) interior, dark reddish brown (5YR 3/4) crushed, moist; clay loam; 28 percent clay; strong very fine and fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 fine and medium roots; 2.5 very fine tubular and 0.5 fine tubular pores; 10 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 84P00424. common fine and medium roots
    Bt1—13 to 41 centimeters (5.1 to 16.1 inches); yellowish red (5YR 5/6) interior, dark reddish brown (2.5YR 3/4) crushed, moist; gravelly clay loam; 30 percent clay; moderate fine and medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 2.5 very fine and fine tubular and 0.5 medium tubular pores; 37 percent clay films on faces of peds and in pores; 20 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 84P00425. common clay films surface features on faces of peds and in pores; common very fine and fine roots; common medium and coarse roots
    Bt2—41 to 72 centimeters (16.1 to 28.3 inches); yellowish red (5YR 4/6) interior, dark red (2.5YR 3/6) crushed, moist; gravelly clay loam; 35 percent clay; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 2.5 very fine tubular and 0.5 fine tubular pores; 55 percent clay films on faces of peds and in pores; 25 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; moderately acid, pH 5.8, hellige-truog; gradual wavy boundary. Lab sample # 84P00426. many clay films surface features on faces of peds and in pores; common very fine and fine roots; common medium and coarse roots
    Bt3—72 to 102 centimeters (28.3 to 40.2 inches); yellowish red (5YR 4/6) interior, dark red (2.5YR 3/6) crushed, moist; gravelly clay; 41 percent clay; moderate fine and medium subangular blocky structure; very hard, friable, very sticky, very plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 2.5 very fine tubular and 0.5 fine tubular pores; 55 percent clay films on faces of peds and in pores; 25 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; moderately acid, pH 5.8, hellige-truog; gradual wavy boundary. Lab sample # 84P00427. many clay films surface features on faces of peds and in pores; common very fine and fine roots; common medium and coarse roots
    Bt4—102 to 145 centimeters (40.2 to 57.1 inches); red (2.5YR 4/8) interior, red (2.5YR 4/6) crushed, moist; gravelly clay; 46 percent clay; moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; 2.5 very fine roots and 0.5 fine to coarse roots; 0.5 very fine and fine tubular pores; 55 percent clay films on faces of peds and in pores; 30 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; strongly acid, pH 5.3, hellige-truog; gradual wavy boundary. Lab sample # 84P00428. Common manganese stains. Some shot; many clay films surface features on faces of peds and in pores; common very fine roots; few fine to coarse roots
    Bt5—145 to 203 centimeters (57.1 to 79.9 inches); red (2.5YR 4/8) interior, red (2.5YR 4/6) crushed, moist; very gravelly clay; 46 percent clay; moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine and fine roots and 0.5 medium and coarse roots; 0.5 very fine and fine tubular pores; 55 percent clay films on faces of peds and in pores; 35 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 84P00429. Common manganese stains. Some shot; many clay films surface features on faces of peds and in pores; few very fine and fine roots; few medium and coarse roots