IDENTIFIERS

  • Current Taxon Name (Soil Name): unnamed
  • OSD
  • Series Extent
  • User Site ID: S1972CA049025
  • User Pedon ID: S1972CA049025
  • Vegetation Plot ID: S1972CA049025
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0117
  • NCSS Pedon Lab Data NASIS Record ID - 44051
  • Print Date: 4/28/2024

    • 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: 41.5616684
  • Std. Longitude: -120.3955536
  • Datum: WGS84
  • Township: 43N
  • Range: 14E
  • Section: 18
  • PLSS Details: 1050 feet south and 1627 feet weest of the east 1/4 corner
  • Location Description: On south side of Highway 299
  • State: California
  • County: CA049—Modoc

    • PEDON

  • Describers Name: Wayne B. Sheldon & Barry R. Kaufman
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Xerollic Durargids
  • Pedon Record Orgin: NASIS
  • Pedon #: 25
  • Correlated Information:
  • Soil Name - unnamed
  • Classificaton Date - 7/24/2007
  • Sampled As Information:
  • Soil Name - Thoms
  • Classificaton Date - 10/5/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: cobbly and stony alluvium derived from igneous rock
  • Landform: lake terrace
  • Runoff: very low
  • Drainage Class: well
  • Surface Fragments: 80.00 percent 76- to 600-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/5/1972 (actual site observation date)
  • Air Photo ID: BUW15DD33
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    ARAR8

    BRTE

    POA

    Artemisia arbuscula

    Bromus tectorum

    Poa

    little sagebrush

    cheatgrass

    bluegrass

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    duripan

    ochric epipedon

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    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

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    1532

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    270

    305

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    9.4

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    A1—0 to 13 centimeters (0.0 to 5.1 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; loam; weak medium and coarse granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine roots; 0.5 very fine interstitial and 0.5 very fine tubular pores; 15 percent by volume 76-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 72C00696
    Bt2—13 to 23 centimeters (5.1 to 9.1 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 4/4), moist; clay loam; moderate medium angular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots; 0.5 very fine interstitial and 0.5 very fine tubular pores; 30 percent distinct clay films on all faces of peds and 30 percent distinct clay films on surfaces along pores; 10 percent by volume 2-?-76 millimeter unspecified fragments; slightly acid, pH 6.3; clear wavy boundary. Lab sample # 72C00697
    Bt3—23 to 31 centimeters (9.1 to 12.2 inches); brown (7.5YR 4/4), brown (7.5YR 4/4), moist; clay; moderate medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine interstitial and 0.5 very fine tubular pores; 10 percent distinct clay films on surfaces along pores and 30 percent distinct dark brown (7.5YR 3/2), dry, clay films on all faces of peds; 30 percent by volume 76-?-250 millimeter unspecified fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # 72C00698
    Csm1—31 to 56 centimeters (12.2 to 22.0 inches); reddish yellow (7.5YR 6/6), yellowish red (5YR 4/6), moist; cemented material; weak very fine and fine platy structure; very hard, very firm by silica; 10 percent thin clay bridges and 10 percent thin clay films; 30 percent fine distinct black (N 2/0), dry, manganese masses; fragments; abrupt smooth boundary. Lab sample # 72C00699
    Csm2—56 to 86 centimeters (22.0 to 33.9 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/4), moist; cemented material; massive; very hard, very firm by silica; 30 percent fine distinct black (N 2/0), dry, manganese masses; fragments. Lab sample # 72C00700