IDENTIFIERS

  • Current Taxon Name (Soil Name): Robson
  • OSD
  • Series Extent
  • User Site ID: S1981NV015301
  • User Pedon ID: 81NV015301
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0327
  • NCSS Pedon Lab Data NASIS Record ID - 50564
  • Print Date: 12/11/2024

    • 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: 39.4679794
  • Std. Longitude: -117.6173325
  • Datum: WGS84
  • Township: 19N
  • Range: 39E
  • Section: 32
  • PLSS Details: 2300 feet N and 2100 feet W of SE corner
  • State: Nevada
  • County: NV015—Lander
  • MLRA: 24—Humboldt Basin and Range Area

    • PEDON

  • Describers Name: CEJ and GJS
  • Current Taxonomic Class: Clayey-skeletal, smectitic, frigid Lithic Xerollic Haplargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 301
  • Correlated Information:
  • Soil Name - Robson
  • PSC - 8 to 38 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Robson
  • Taxonomic Class - Clayey-skeletal, montmorillonitic, frigid Lithic X
  • Taxon Kind - series
  • Classificaton Date - 10/1/1981
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1981 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    8—38

    —-
    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

    17

    —

    —

    2184

    —

    90

    28

    —

    —

    6.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) interior, light brownish gray (10YR 6/2) interior, dry; very stony loam; 17 percent clay; moderate fine platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.5 fine and medium roots; 5.5 very fine and fine vesicular and tubular pores; fragments; slight effervescence, by hcl, 1n; neutral, pH 7.2, hellige-truog; abrupt smooth boundary. Lab sample # 82P01694. 10% gravel.; common fine and medium roots
    1Bt1—8 to 10 centimeters (3.1 to 3.9 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; gravelly clay loam; 28 percent clay; moderate medium subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 2.5 fine and medium roots; 2.5 very fine and fine interstitial and tubular pores; 15 percent faint clay films between sand grains; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.4, hellige-truog; abrupt smooth boundary. Lab sample # 82P01695. 20% gravel.; few clay films surface features between sand grains; common fine and medium roots
    1Bt2—10 to 23 centimeters (3.9 to 9.1 inches); dark yellowish brown (10YR 4/4) interior, yellowish brown (10YR 5/4) interior, dry; extremely cobbly clay; 48 percent clay; strong fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; 2.5 very fine and fine roots; 2.5 very fine tubular pores; 37 percent distinct clay films on faces of peds; 5 percent by volume 250-425-600 millimeter mixed fragments and 60 percent by volume 75-162-250 millimeter mixed fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.4, hellige-truog; clear wavy boundary. Lab sample # 82P01696. 20% gravel.; common clay films surface features on faces of peds; common very fine and fine roots
    1Bt3—23 to 38 centimeters (9.1 to 15.0 inches); dark yellowish brown (10YR 4/4) interior, dark yellowish brown (10YR 4/4) interior, dry; very cobbly clay; 56 percent clay; strong medium prismatic structure; extremely hard, firm, very sticky, very plastic; 0.5 very fine and fine roots; 2.5 fine interstitial and tubular pores; 55 percent distinct pressure faces; 30 percent by volume 75-162-250 millimeter mixed fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; abrupt wavy boundary. Lab sample # 82P01697. 20% gravel.; many pressure faces surface features; few very fine and fine roots
    1R—38 to 64 centimeters (15.0 to 25.2 inches); weathered bedrock; fragments. Hard conglomerate bedrock. Not sampled.