IDENTIFIERS

  • Current Taxon Name (Soil Name): unnamed
  • OSD
  • Series Extent
  • User Site ID: S1976CA035105
  • User Pedon ID: S1976CA035105
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3386
  • NCSS Pedon Lab Data NASIS Record ID - 38501
  • Print Date: 11/21/2024

    • LOCATION

  • Township: 33N
  • Range: 6E
  • Section: 2
  • PLSS Details: SE 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: Clayey over loamy-skeletal, montmorillonitic, frigid Vertic Argixerolls
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - unnamed
  • Taxonomic Class - Clayey over loamy-skeletal, montmorillonitic, frigid Vertic Argixerolls
  • Classificaton Date - 7/9/1976
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: basic alluvium
  • Landform: basin floor
  • Slope Complexity: simple
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/1976 (actual site observation date)
  • Air Photo ID: 11141
  • 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

    mollic epipedon

    argillic horizon

    0—56

    7—125

    —-

    —-
    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

    1

    —

    —

    1719

    —

    270

    483

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—; slightly decomposed plant material; fragments.
    A1—0 to 7 centimeters (0.0 to 2.8 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; strong fine subangular blocky, and strong fine granular structure; hard, friable, moderately sticky, very plastic; moderately slow permeability; 21.0 very fine and fine roots; 0.5 very fine tubular and 0.5 fine interstitial pores; fragments; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 40A26293; dry when described;
    Bt2—7 to 56 centimeters (2.8 to 22.0 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; strong coarse prismatic, and strong coarse angular blocky structure; very hard, friable, very sticky, very plastic; very slow permeability; 21.0 very fine and fine roots; 0.5 very fine interstitial and 0.5 very fine tubular and 0.5 fine tubular pores; distinct clay films on all faces of peds; 70 percent by volume 76-?-250 millimeter unspecified fragments; slightly alkaline, pH 7.8; clear wavy boundary. Lab sample # 40A26294; dry when described;. continuous - phpvsfiid 283542; continuous - phpvsfiid 283542
    2Bt2—56 to 125 centimeters (22.0 to 49.2 inches); reddish yellow (7.5YR 6/6), brown (7.5YR 4/4), moist; gravelly clay loam; massive; very hard, very friable, moderately sticky, moderately plastic; 0.5 very fine roots; 30 percent thin clay films; 50 percent by volume 2-?-76 millimeter unspecified fragments; moderately alkaline, pH 8.0. Lab sample # 40A26295; dry when described;