IDENTIFIERS

  • Current Taxon Name (Soil Name): Whitearth
  • OSD
  • Series Extent
  • User Site ID: S1985MT047008
  • User Pedon ID: 85MT047008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0428
  • NCSS Pedon Lab Data NASIS Record ID - 58233
  • Print Date: 4/23/2025

    • 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: 47.6647224
  • Std. Longitude: -114.3174973
  • Datum: WGS84
  • Township: 22N
  • Range: 21W
  • Section: 17
  • PLSS Details: 2550 feet E and 1400 feet N of the SW corner
  • State: Montana
  • County: MT047—Lake

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, frigid Typic Natrixeralfs
  • 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 #: 8
  • Correlated Information:
  • Soil Name - Whitearth
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Whitearth
  • Taxonomic Class - Fine-silty, mixed, frigid Xerollic Natrargid
  • Taxon Kind - series
  • Classificaton Date - 9/1/1985
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1985 (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

    2

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    824

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    1Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) interior, light brownish gray (10YR 6/2) interior, dry; silt loam; moderate medium subangular blocky, and moderate medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Range in colors 10YR 6 or 7 dry 2 chrom and 4 or 5 not 2 chroma.; common very fine roots
    1Bt—13 to 23 centimeters (5.1 to 9.1 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; silty clay loam; 33 percent clay; moderate medium prismatic, and moderate medium subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 2.5 very fine roots; 2.5 very fine tubular pores; 15 percent distinct brown (10YR 5/3) clay films on faces of peds; fragments; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 86P02544. few clay films surface features on faces of peds; common very fine roots
    1Bk—23 to 81 centimeters (9.1 to 31.9 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; silty clay loam; 37 percent clay; weak medium and coarse prismatic, and moderate coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine tubular pores; fragments; strong effervescence, by hcl, 1n; very strongly alkaline, pH 9.4, hellige-truog; clear wavy boundary. Lab sample # 86P02545. Range in colors 10YR 7 or 8 dry 3 or 4 chroma 5 or 6 not 2 chroma.; few very fine roots
    1C1—81 to 124 centimeters (31.9 to 48.8 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 8/2) interior, dry; silt loam; 23 percent silt; massive, and moderate fine platy; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine tubular pores; fragments; strongly alkaline, pH 9.0, hellige-truog; clear wavy boundary.
    1C2—124 to 152 centimeters (48.8 to 59.8 inches); brown (10YR 5/3) interior, very pale brown (10YR 7/3) interior, dry; silt loam; 26 percent silt; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog.