IDENTIFIERS

  • Current Taxon Name (Soil Name): Red Bluff
  • OSD
  • Series Extent
  • User Site ID: S1945CA089008
  • User Pedon ID: S1945CA089008
  • Vegetation Plot ID: S1945CA089008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2933
  • NCSS Pedon Lab Data NASIS Record ID - 38062
  • Print Date: 5/19/2024
  • 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: 40.4436111
  • Std. Longitude: -122.4338913
  • Datum: WGS84
  • Location Description: 1.35 miles E. of Olinda.
  • State: California
  • County: CA089—Shasta
  • MLRA: 22—Sierra Nevada Range
  • Non-MLRA Soil Survey Area: CA607—Shasta County Area, California
  • PEDON

  • Describers Name: R. C. Roberts and R. A. Gardner
  • Current Taxonomic Class: Fine, kaolinitic, thermic Ultic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Red Bluff
  • PSC - 36 to 86 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - RED BLUFF
  • Classificaton Date - 4/4/1945
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: valley
  • Landform: terrace
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/4/1945 (actual site observation date)
  • 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

    ARCTO3

    CEANO

    QUBE5

    Arctostaphylos

    Ceanothus

    Quercus berberidifolia

    manzanita

    ceanothus

    scrub oak

    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

    152

    838

    16.7

    27.8

    7.2

    A11—0 to 18 centimeters (0.0 to 7.1 inches); reddish brown (5YR 4/4), dark reddish brown (2.5YR 3/4), moist; gravelly loam; granular structure; slightly hard, friable, slightly plastic; 21.0 roots; fragments; slightly acid, pH 6.1, unspecified; gradual boundary. Lab sample # 40A23137; moist when described;
    A12—18 to 36 centimeters (7.1 to 14.2 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; gravelly clay loam; granular structure; slightly hard, friable, slightly plastic; 21.0 roots; fragments; strongly acid, pH 5.5, unspecified; gradual boundary. Lab sample # 40A23138; moist when described;
    B21T—36 to 61 centimeters (14.2 to 24.0 inches); red (2.5YR 4/6), dark red (10R 3/6), moist; gravelly clay; weak granular structure; hard when dry, firm, moderately plastic; 21.0 roots; fragments; very strongly acid, pH 4.9, unspecified; diffuse wavy boundary. Lab sample # 40A23139; moist when described;
    2B22T—61 to 84 centimeters (24.0 to 33.1 inches); red (2.5YR 4/6), dark red (10R 3/6), moist; very gravelly clay; weak subangular blocky structure; hard when dry, firm, moderately plastic; 0.5 roots; fragments; very strongly acid, pH 4.9, unspecified; diffuse wavy boundary. Lab sample # 40A23140; moist when described;. appears to be weakly cemented with iron oxide; possibility from appearance that this layer is a weathered hardpan.
    2B23T—84 to 104 centimeters (33.1 to 40.9 inches); red (2.5YR 5/6), red (2.5YR 5/6), moist; very gravelly clay; massive; hard when dry, firm, moderately plastic; 0.1 roots; fragments; very strongly acid, pH 4.8, unspecified; diffuse boundary. Lab sample # 40A23141; moist when described;. gravel is highly weathered and crumbles to a mass yellower in color than the soil.
    2B24T—104 to 130 centimeters (40.9 to 51.2 inches); red (2.5YR 5/6), red (2.5YR 5/6), moist; very gravelly clay; massive; hard when dry, firm, moderately plastic; 0.1 roots; fragments; extremely acid, pH 4.4, unspecified. Lab sample # 40A23142; wet when described;