IDENTIFIERS

  • Current Taxon Name (Soil Name): Bowdoin
  • OSD
  • Series Extent
  • User Site ID: S1967MT005003
  • User Pedon ID: S1967MT005003
  • Vegetation Plot ID: S1967MT005003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3648
  • NCSS Pedon Lab Data NASIS Record ID - 39313
  • 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: 48.4063187
  • Std. Longitude: -108.4157867
  • Datum: WGS84
  • Township: 31N
  • Range: 25E
  • Section: 36
  • PLSS Details: 400 feet south and 1120 feet west of NE corner
  • State: Montana
  • County: MT005—Blaine
  • MLRA: 52—Brown Glaciated Plains
  • Non-MLRA Soil Survey Area: MT608—Blaine County and Part of Phillips County Area, Montana
  • 7.5 Minute USGS Quad: 48108-D4—Coburg, Montana
  • PEDON

  • Describers Name: C. A. Mogen and R. L. Moshier
  • Current Taxonomic Class: Very-fine, montmorillonitic (calcareous), frigid Udorthentic Chromusterts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Bowdoin
  • Taxonomic Class - Very-fine, montmorillonitic (calcareous), frigid Udorthentic Chromusterts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/27/1967
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: terrace
  • Runoff: very low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/27/1967 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PASM

    Pascopyrum smithii

    western wheatgrass

    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

    701

    305

    7.2

    20

    -9.4

    A1—0 to 20 centimeters (0.0 to 7.9 inches); gray (5Y 6/1), very dark gray (5Y 3/1), moist; clay; weak fine subangular blocky structure; extremely hard, extremely firm, moderately sticky, very plastic; fragments; slight effervescence; diffuse boundary. Lab sample # 40A28101. 2 to 3 inch wide cracks 6 to 12 inches apart.
    C—20 to 33 centimeters (7.9 to 13.0 inches); gray (5Y 6/1), very dark gray (5Y 3/1), moist; clay; massive; extremely hard, extremely firm, moderately sticky, very plastic; 0.1 very fine and fine pores; 1 percent fine carbonate nodules; fragments; slight effervescence; diffuse boundary. Lab sample # 40A28102. very few fine nodules of lime; 1 to 2 inch wide cracks.
    C2—33 to 63 centimeters (13.0 to 24.8 inches); gray (5Y 6/1), very dark gray (5Y 3/1), moist; clay; massive; extremely hard, extremely firm, moderately sticky, very plastic; 0.1 very fine and fine pores; fragments; slight effervescence; diffuse boundary. Lab sample # 40A28103
    C3—63 to 89 centimeters (24.8 to 35.0 inches); gray (5Y 6/1), very dark gray (5Y 3/1), moist; silty clay; massive; extremely hard, very firm, moderately sticky, very plastic; fragments; slight effervescence; abrupt wavy boundary. Lab sample # 40A28104
    3C3—89 to 109 centimeters (35.0 to 42.9 inches); light gray (5Y 7/2), olive gray (5Y 4/2), moist; silty clay loam; massive; very hard, friable, slightly sticky, slightly plastic; 1 percent gypsum crystals, unspecified; fragments; slight effervescence; abrupt wavy boundary. Lab sample # 40A28105
    3C4—109 to 130 centimeters (42.9 to 51.2 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay, clay; weak fine subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; slickensides (pedogenic); 1 percent gypsum crystals, unspecified; fragments; slight effervescence; abrupt wavy boundary. Lab sample # 40A28106
    4C5—130 to 175 centimeters (51.2 to 68.9 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; loam, fine sandy loam; soft, very friable, nonsticky, nonplastic; fragments; slight effervescence. Lab sample # 40A28107