IDENTIFIERS

  • Current Taxon Name (Soil Name): Sumatra
  • OSD
  • Series Extent
  • User Site ID: S1977MT087380
  • User Pedon ID: 77MT087380
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0723
  • NCSS Pedon Lab Data NASIS Record ID - 53510
  • 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: 46.5077782
  • Std. Longitude: -106.8455582
  • Datum: WGS84
  • Township: 9N
  • Range: 39E
  • Section: 29
  • PLSS Details: 1600 feet S and 2000 feet E of the NW corner
  • Location Description: Rosebud County, Montana.
  • State: Montana
  • County: MT087—Rosebud
  • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, nonacid, frigid Ustic Torriorthents
  • 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 #: 380
  • Correlated Information:
  • Soil Name - Sumatra
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Sumatra
  • Taxonomic Class - Fine-silty, mixed, nonacid, frigid Ustic Torriorth
  • Taxon Kind - series
  • Classificaton Date - 7/1/1977
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: upland slope
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1977 (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
  • 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

    824

    25

    1A—0 to 5 centimeters (0.0 to 2.0 inches); light brownish gray (2.5Y 6/2) interior, grayish brown (2.5Y 5/2) interior, moist; silty clay loam; moderate fine granular structure; soft, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 83P03578. common fine roots
    1By—5 to 23 centimeters (2.0 to 9.1 inches); light brownish gray (2.5Y 6/2) interior, grayish brown (2.5Y 5/2) interior, moist; silty clay loam; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; 11 percent fine gypsum masses; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 83P03579. Some vertical cleavage; common fine masses of gypsum concentrations; few fine roots
    1BC—23 to 74 centimeters (9.1 to 29.1 inches); light brownish gray (2.5Y 6/2) interior, grayish brown (2.5Y 5/2) interior, moist; silty clay loam; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; fragments; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 83P03580. few fine roots
    1Cz—74 to 152 centimeters (29.1 to 59.8 inches); light gray (2.5Y 7/2) interior and pale yellow (2.5Y 7/4) interior, light brownish gray (2.5Y 6/2) interior and light yellowish brown (2.5Y 6/4) interior, moist; silty clay loam; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; fragments; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 83P03581. few fine roots