IDENTIFIERS

  • Current Taxon Name (Soil Name): Bolack
  • OSD
  • Series Extent
  • User Site ID: S1987MT077842
  • User Pedon ID: 87MT077842
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0434
  • NCSS Pedon Lab Data NASIS Record ID - 61538
  • 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: 46.9390602
  • Std. Longitude: -112.9764709
  • Datum: WGS84
  • Township: 14N
  • Range: 11W
  • Section: 27
  • PLSS Details: 3200 feet S and 2250 feet E of NW corner
  • State: Montana
  • County: MT077—Powell

    • PEDON

  • Current Taxonomic Class: Fine, mixed, frigid Typic Haplaquolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 842
  • Correlated Information:
  • Soil Name - Bolack
  • Classificaton Date - 7/11/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Bohnley
  • Taxonomic Class - Fine-silty, mixed, frigid Typic Haplaquoll
  • Classificaton Date - 11/1/1987
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1987 (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

    1

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    Oi—0 to 8 centimeters (0.0 to 3.1 inches); 5.5 very fine and fine roots and 2.5 medium roots; 2.5 fine vesicular pores; fragments; slight effervescence. common medium roots; many very fine and fine roots
    A—8 to 26 centimeters (3.1 to 10.2 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; moderate fine granular structure; hard, friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots and 2.5 medium roots; 2.5 fine vesicular pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 89P02434. common medium roots; many very fine and fine roots
    C1—26 to 69 centimeters (10.2 to 27.2 inches); light brownish gray (10YR 6/2) and yellowish red (5YR 4/6), light gray (10YR 7/2) and yellowish red (5YR 5/6), dry; silty clay loam; weak fine granular structure; hard, friable, moderately sticky, slightly plastic; 5.5 very fine and fine roots and 2.5 medium roots; 2.5 fine vesicular pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 89P02435. common medium roots; many very fine and fine roots
    C2g—69 to 89 centimeters (27.2 to 35.0 inches); gray (5Y 6/1), light gray (5Y 7/1), dry; silty clay loam; very hard, firm, slightly sticky, moderately plastic; 5.5 very fine and fine roots and 2.5 medium roots; 2.5 fine vesicular pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 89P02436. common medium roots; many very fine and fine roots
    AB/C—89 to 110 centimeters (35.0 to 43.3 inches); very dark gray (10YR 3/1) and gray (5Y 6/1) and yellowish red (5YR 4/6), dark gray (10YR 4/1) and light gray (5Y 7/1) and yellowish red (5YR 5/6), dry; silty clay loam; very hard, firm, slightly sticky, moderately plastic; 5.5 very fine and fine roots and 2.5 medium roots; 2.5 fine vesicular pores; fragments; slight effervescence; gradual wavy boundary. Lab sample # 89P02437. common medium roots; many very fine and fine roots
    Cbg—110 to 160 centimeters (43.3 to 63.0 inches); gray (5Y 6/1) and yellowish red (5YR 4/6), light gray (5Y 7/1) and yellowish red (5YR 5/6), dry; silty clay loam; hard, friable, moderately sticky, moderately plastic; 5.5 very fine and fine roots and 2.5 medium roots; 2.5 fine vesicular pores; fragments; slight effervescence. Lab sample # 89P02438. common medium roots; many very fine and fine roots