IDENTIFIERS

  • Current Taxon Name (Soil Name): Tanna
  • OSD
  • Series Extent
  • User Site ID: S1977MT077215
  • User Pedon ID: 77MT077215
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0440
  • NCSS Pedon Lab Data NASIS Record ID - 61544
  • Print Date: 5/30/2024

    • 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: 46.5023956
  • Std. Longitude: -112.7267380
  • Datum: WGS84
  • Township: 9N
  • Range: 9W
  • Section: 28
  • PLSS Details: 3600 feet S and 600 feet W of NE corner
  • State: Montana
  • County: MT077—Powell

    • PEDON

  • Current Taxonomic Class: Fine, mixed Aridic Argiborolls
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 215
  • Correlated Information:
  • Soil Name - Tanna
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Tanna
  • Taxonomic Class - Fine, montmorillonitic Aridic Argiboroll
  • Taxon Kind - series
  • Classificaton Date - 8/1/1977
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1977 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    5

    —

    —

    1442

    —

    180

    —

    —

    —

    —

    —

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    —

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    A1—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; loam; moderate medium, and weak fine platy structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots; 5.5 very fine and fine interstitial and tubular pores; fragments; slight effervescence; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 89P02462. many very fine and fine roots
    B1—13 to 20 centimeters (5.1 to 7.9 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silty clay loam; moderate fine subangular blocky, and moderate medium granular structure; slightly hard, friable, moderately sticky, moderately plastic; 5.5 very fine and fine roots; 5.5 very fine and fine interstitial and tubular pores; fragments; slight effervescence; neutral, pH 6.8, bromthymol blue; clear smooth boundary. Lab sample # 89P02463. many very fine and fine roots
    B2t—20 to 38 centimeters (7.9 to 15.0 inches); dark brown (10YR 3/3), dark brown (10YR 3/3) and brown (10YR 4/3), dry; silty clay loam; strong medium prismatic, and strong medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 very fine roots; 0.5 very fine and fine discontinuous tubular and tubular pores; fragments; slight effervescence; neutral, pH 7.0, bromthymol blue; clear smooth boundary. Lab sample # 89P02464. common very fine roots
    B3ca—38 to 79 centimeters (15.0 to 31.1 inches); grayish brown (2.5Y 5/2), yellowish brown (10YR 5/4) and light brownish gray (2.5Y 6/2), dry; silty clay loam; moderate medium prismatic, and strong medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 0.5 very fine and fine tubular and discontinuous tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.2, thymol-blue; gradual smooth boundary. Lab sample # 89P02465. few very fine and fine roots
    Cr—79 to 152 centimeters (31.1 to 59.8 inches);, grayish brown (2.5Y 5/2), dry; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; fragments; slight effervescence; moderately alkaline, pH 8.0, cresol red. Lab sample # 89P02466. vch land semiconsolidated siltstone that textures to silty clay loam; few very fine and fine roots