IDENTIFIERS

  • Current Taxon Name (Soil Name): Pendroy
  • OSD
  • Series Extent
  • User Site ID: S1977MT055028
  • User Pedon ID: 77MT055028
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 78P0074
  • NCSS Pedon Lab Data NASIS Record ID - 45084
  • Print Date: 2/17/2025
  • 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: 48.0172234
  • Std. Longitude: -105.3194427
  • Datum: WGS84
  • Township: 26N
  • Range: 50E
  • Section: 7
  • PLSS Details: 292 meters E and 456 meters N of the SW corner
  • Location Description: McCone County, Montana.
  • State: Montana
  • County: MT055—McCone
  • PEDON

  • Current Taxonomic Class: Very-fine, smectitic, frigid Udorthentic Chromusterts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 28
  • Correlated Information:
  • Soil Name - Pendroy
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Pendroy
  • Taxonomic Class - Very-fine, montmorillonitic (calcareous) Ustertic
  • Taxon Kind - variant
  • Classificaton Date - 3/1/1977
  • Moisture Class - ustic
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1977 (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

    1A1p—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (5Y 3/1) interior, dark gray (5Y 4/1) interior, dry; silty clay; weak medium subangular blocky, and strong very fine granular structure; hard, firm, moderately sticky, moderately plastic; 5.5 very fine roots; fragments; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 78P00394. many very fine roots
    1A12—10 to 18 centimeters (3.9 to 7.1 inches); very dark gray (5Y 3/1) interior, dark gray (2.5Y 4/1) interior, dry; clay; strong coarse prismatic, and moderate medium and coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 5.5 very fine roots; fragments; strongly alkaline, pH 8.7, hellige-truog; clear smooth boundary. Not sampled.; many very fine roots
    1B2sa—18 to 33 centimeters (7.1 to 13.0 inches); very dark gray (5Y 3/1) interior, dark gray (2.5Y 4/1) interior, dry; clay; strong fine and medium prismatic, and strong fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; 5.5 very fine roots; 1 percent fine salt masses; fragments; very strongly alkaline, pH 9.1, hellige-truog; clear wavy boundary. Lab sample # 78P00395. few fine salt masses concentrations; many very fine roots
    1B31sa—33 to 79 centimeters (13.0 to 31.1 inches); very dark gray (5Y 3/1) interior, dark gray (5Y 4/1) interior, dry; clay; moderate medium subangular blocky, and moderate and strong angular blocky structure; very hard, very firm, very sticky, very plastic; 5.5 very fine roots; 11 percent fine salt masses; fragments; very strongly alkaline, pH 9.2, hellige-truog; gradual wavy boundary. Lab sample # 78P00396. common fine salt masses concentrations; many very fine roots
    1B32cssa—79 to 102 centimeters (31.1 to 40.2 inches); dark gray (5Y 4/1) interior, gray (5Y 5/1) interior, dry; clay; weak and moderate medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 2.5 very fine roots; 2 percent fine and medium gypsum masses; fragments; strongly alkaline, pH 8.5, hellige-truog; abrupt wavy boundary. Not sampled.; few to common fine and medium masses of gypsum concentrations; common very fine roots
    1C1cs—102 to 152 centimeters (40.2 to 59.8 inches); dark gray (5Y 4/1) interior, gray (5Y 5/1) interior, dry; clay; massive; very hard, very firm, very sticky, very plastic; 0.5 very fine roots; 11 percent medium and coarse gypsum masses; fragments; strongly alkaline, pH 8.5, hellige-truog. Not sampled.; common medium and coarse masses of gypsum concentrations; few very fine roots