IDENTIFIERS

  • Current Taxon Name (Soil Name): Bigdraw
  • OSD
  • Series Extent
  • User Site ID: S1988MT089007
  • User Pedon ID: 88MT089007
  • Vegetation Plot ID: S1988MT089007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0091
  • NCSS Pedon Lab Data NASIS Record ID - 61195
  • Print Date: 1/11/2025

    • 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: 47.8452797
  • Std. Longitude: -114.6216660
  • Datum: WGS84
  • Township: 24N
  • Range: 24W
  • Section: 13
  • PLSS Details: 900 feet E and 900 feet S of NW corner
  • State: Montana
  • County: MT089—Sanders

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, active, frigid Typic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Bigdraw
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Bigdraw
  • Taxonomic Class - Fine-loamy, mixed, frigid Typic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 9/1/1988
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1988 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGSP

    FESC

    PUTR

    Agropyron spicatum

    Festuca scabrella

    Puccinellia triflora

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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

    24

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    914

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    0

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    A1—0 to 10 centimeters (0.0 to 3.9 inches); dark gray (10YR 4/1), black (10YR 2/1), moist; loam; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots and 2.5 coarse roots; fragments; slight effervescence; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 89P00804. common coarse roots; many very fine and fine roots
    A2—10 to 25 centimeters (3.9 to 9.8 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly loam; moderate medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots and 0.5 coarse roots; fragments; slight effervescence; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 89P00805. few coarse roots; many very fine and fine roots
    Bt—25 to 53 centimeters (9.8 to 20.9 inches); very pale brown (10YR 7/4), brownish yellow (10YR 6/6), moist; gravelly clay loam; moderate medium angular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 2.5 very fine and fine roots; 2.5 very fine and fine tubular pores; fragments; slight effervescence; neutral, pH 7.2, hellige-truog; gradual wavy boundary. Lab sample # 89P00806. common very fine and fine roots
    C/Bk—53 to 89 centimeters (20.9 to 35.0 inches); very pale brown (10YR 7/4), brownish yellow (10YR 6/6), moist; gravelly loam; weak medium subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 0.5 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 89P00807. few very fine and fine roots
    Crbk—89 centimeters (35.0 inches); fragments; slight effervescence; slightly alkaline, pH 7.8, hellige-truog. Lab sample # 89P00808. semi-consolidated tuff