IDENTIFIERS

  • Current Taxon Name (Soil Name): unnamed
  • OSD
  • Series Extent
  • User Site ID: S1976CA035103
  • User Pedon ID: S1976CA035103
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3385
  • NCSS Pedon Lab Data NASIS Record ID - 38500
  • Print Date: 12/17/2024

    • LOCATION

  • Township: 34N
  • Range: 6E
  • Section: 10
  • PLSS Details: NW 1/4, SW 1/4
  • State: California
  • County: CA035—Lassen
  • Non-MLRA Soil Survey Area: CA708—Lassen National Forest, California, Parts of Lassen, Plumas, Butte, Shasta, and Siskiyou Counties

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed, mesic Ultic Haploxeralfs
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - unnamed
  • Taxonomic Class - Loamy-skeletal, mixed, mesic Ultic Haploxeralfs
  • Classificaton Date - 7/14/1976
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from rhyolite
  • Landform: flow plain
  • Slope Complexity: simple
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/1976 (actual site observation date)
  • Air Photo ID: 11139
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    fragipan

    ochric epipedon

    argillic horizon

    —

    0—24

    54—130

    —-

    —-

    —-
    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

    2

    —

    —

    1609

    —

    270

    483

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 4 centimeters (0.0 to 1.6 inches); slightly decomposed plant material; fragments. Lab sample # 40A26286
    A11—4 to 14 centimeters (1.6 to 5.5 inches); light brown (7.5YR 6/4), dark brown (7.5YR 3/2), moist; gravelly loamy sand; weak fine granular, and moderate fine granular structure; soft, very friable, nonsticky, nonplastic; rapid permeability; 21.0 very fine and fine roots; 0.5 fine tubular pores; 40 percent by volume 2-?-76 millimeter unspecified fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # 40A26287; dry when described;
    A12—14 to 33 centimeters (5.5 to 13.0 inches); light brown (7.5YR 6/4), dark reddish brown (5YR 3/4), moist; gravelly sandy loam; moderate medium subangular blocky structure; hard, friable, nonsticky, nonplastic; moderately rapid permeability; 21.0 very fine and fine roots and 0.5 medium roots; 3.0 very fine and fine tubular and 21.0 very fine interstitial pores; 50 percent by volume 2-?-76 millimeter unspecified fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 40A26288; dry when described;
    B1—33 to 58 centimeters (13.0 to 22.8 inches); gravelly sandy clay loam; massive, and moderate fine subangular blocky; hard, friable, moderately sticky, slightly plastic; slow permeability; 3.0 medium roots and 0.5 fine roots and 0.5 coarse roots; 21.0 very fine and fine interstitial and 21.0 very fine and fine tubular and 21.0 medium tubular and 3.0 coarse tubular pores; 40 percent by volume 2-?-76 millimeter unspecified fragments; neutral, pH 6.7; clear smooth boundary. Lab sample # 40A26289; dry when described;
    Bt21—58 to 74 centimeters (22.8 to 29.1 inches); pink (7.5YR 7/4), brown (7.5YR 4/4), moist; gravelly sandy clay loam; massive, and weak medium subangular blocky; hard, very friable, moderately sticky, slightly plastic; slow permeability; 3.0 medium roots and 0.5 fine roots; 21.0 very fine and fine tubular pores; 10 percent thin clay films on all faces of peds; 30 percent by volume 2-?-76 millimeter unspecified fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 40A26290; dry when described;
    Bx22—74 to 134 centimeters (29.1 to 52.8 inches); reddish yellow (7.5YR 6/6), brown (7.5YR 4/4), moist; gravelly sandy clay loam; massive, and moderate fine subangular blocky; extremely hard, very friable, moderately sticky, slightly plastic; slow permeability; 0.5 medium roots and 3.0 fine roots; 3.0 very fine and fine tubular pores; 30 percent distinct clay films on surfaces along pores; 60 percent by volume 2-?-76 millimeter unspecified fragments; neutral, pH 6.7; gradual smooth boundary. Lab sample # 40A26291; moist when described;
    Cr—134 to 149 centimeters (52.8 to 58.7 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; very gravelly clay loam; massive; slightly hard, friable, nonsticky, slightly plastic; slow permeability; 21.0 very fine interstitial pores; 30 percent thick clay films; 20 percent by volume 76-?-250 millimeter unspecified fragments and 40 percent by volume 2-?-76 millimeter unspecified fragments; neutral, pH 6.7. Lab sample # 40A26292; moist when described;