IDENTIFIERS

  • Current Taxon Name (Soil Name): ALTURAS
  • OSD
  • Series Extent
  • User Site ID: S1973CA049004
  • User Pedon ID: S1973CA049004
  • Vegetation Plot ID: S1973CA049004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0095
  • NCSS Pedon Lab Data NASIS Record ID - 44729
  • Print Date: 11/21/2024

    • 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: 41.6627769
  • Std. Longitude: -120.4147186
  • Datum: WGS84
  • Township: 44N
  • Range: 13E
  • Section: 13
  • PLSS Details: 1.4 miles W on County Rd 209 from HWY 395 to railroad tracks, 0.2 miles W on dirt road and 102 feet S of E-W fence in the NW1/4 of the NE1/4
  • State: California
  • County: CA049—Modoc
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: CA603—Modoc County, California, Alturas Area

    • PEDON

  • Describers Name: Wayne B Sheldon and John O Borgen
  • Current Taxonomic Class: Fine, mixed, mesic Typic Natrixerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - ALTURAS
  • PSC - 32 to 82 cm.
  • Classificaton Date - 8/19/2008
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Alturas
  • Classificaton Date - 9/17/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine textured alluvium derived from igneous rock
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/17/1973 (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

    BRJA

    CIRSI

    FESTU

    PHLEU

    TRIFO

    Bromus japonicus

    Cirsium

    Festuca

    Phleum

    Trifolium

    Japanese brome

    thistle

    fescue

    timothy

    clover

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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

    1

    —

    —

    1437

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    45

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    A11—0 to 5 centimeters (0.0 to 2.0 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; silt loam; weak medium and coarse platy structure; hard, friable, moderately sticky, slightly plastic; 3.0 very fine roots and 0.5 very fine roots; 3.0 very fine tubular pores; 7 percent carbonate concretions; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 73C00648
    A12—5 to 25 centimeters (2.0 to 9.8 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; loam; weak fine and medium subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 3.0 very fine roots and 0.1 fine roots; 0.5 very fine tubular pores; 5 percent carbonate concretions; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 73C00649
    A13—25 to 32 centimeters (9.8 to 12.6 inches); gray (10YR 6/1), very dark gray (10YR 3/1), moist; clay loam; weak medium and coarse angular blocky structure; hard, very friable, moderately sticky, slightly plastic; 3.0 very fine roots and 0.1 fine roots; 3.0 very fine tubular pores; 5 percent carbonate concretions; fragments; moderately alkaline, pH 8.0, thymol-blue; clear wavy boundary. Lab sample # 73C00650
    B21t—32 to 56 centimeters (12.6 to 22.0 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay loam; moderate very fine and fine prismatic parts to fine and medium angular blocky structure; very hard, very friable, moderately sticky, moderately plastic; 0.5 very fine roots and 0.1 fine roots; 3.0 very fine and fine tubular and 0.5 very fine interstitial pores; 30 percent thick clay films on surfaces along pores and 75 percent thin clay films on all faces of peds; 3 percent carbonate concretions; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 73C00651
    B22tca—56 to 76 centimeters (22.0 to 29.9 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay loam; weak fine and medium prismatic parts to fine and medium angular blocky structure; hard, very friable, moderately sticky, moderately plastic; 0.5 very fine roots and 0.1 fine roots; 0.1 very fine tubular pores; clay films on surfaces along pores and 75 percent thin clay films on all faces of peds; 8 percent carbonate concretions; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 73C00652
    B3tca—76 to 107 centimeters (29.9 to 42.1 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; clay loam; massive; hard, very friable, moderately sticky, moderately plastic; 0.1 very fine roots; 0.5 very fine interstitial and 0.5 very fine tubular pores; clay bridges on all faces of peds and 75 percent thick clay films on all faces of peds; 8 percent carbonate concretions; fragments; moderately alkaline, pH 8.0, thymol-blue; clear irregular boundary. Lab sample # 73C00653
    C1—107 to 127 centimeters (42.1 to 50.0 inches); grayish brown (10YR 5/2), yellowish brown (10YR 5/6), moist; gravelly loam; massive; slightly hard, very friable, very weakly coherent, slightly sticky, slightly plastic; 0.1 very fine roots; 0.5 very fine tubular and 3.0 very fine interstitial pores; 4 percent carbonate concretions; 15 percent by volume rounded 2-?-75 millimeter unspecified fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 73C00654
    C2—127 to 148 centimeters (50.0 to 58.3 inches); dark brown (10YR 3/3), very dark grayish brown (2.5Y 3/2), moist; gravelly sandy loam; massive; slightly hard, very friable, weakly coherent, slightly sticky, nonplastic; 21.0 very fine interstitial and 0.1 very fine tubular pores; 2 percent carbonate concretions; 30 percent by volume rounded 2-?-75 millimeter unspecified fragments; moderately alkaline, pH 8.0, thymol-blue. Lab sample # 73C00655