IDENTIFIERS

  • Current Taxon Name (Soil Name): POST
  • OSD
  • Series Extent
  • User Site ID: S1965MT047006
  • User Pedon ID: S1965MT047006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3636
  • NCSS Pedon Lab Data NASIS Record ID - 39301
  • 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: 47.4279404
  • Std. Longitude: -114.1584625
  • Datum: WGS84
  • Township: 19N
  • Range: 20W
  • Section: 9
  • PLSS Details: 150 feet south and 600 feet east of north quarter corner
  • State: Montana
  • County: MT047—Lake
  • MLRA: 44A—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT629—Lake County Area, Montana
  • 7.5 Minute USGS Quad: 47114-D2—Charlo, Montana
  • PEDON

  • Current Taxonomic Class: Very-fine, illitic, frigid Typic Natrixerolls
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - POST
  • PSC - 20 to 53 cm.
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - Post
  • Classificaton Date - 7/16/1965
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: terrace
  • Drainage Class: well
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/16/1965 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    914

    381

    AP—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2) crushed and gray (10YR 5/1), very dark brown (10YR 2/2) crushed, moist; silt loam; moderate fine and medium granular structure; soft, very friable, slightly sticky, slightly plastic; fragments; abrupt wavy boundary. Lab sample # 40A27989
    A&B—15 to 20 centimeters (5.9 to 7.9 inches); light gray (10YR 7/2) crushed, very pale brown (10YR 8/2) and brown (10YR 5/3) crushed and brown (7.5YR 5/2), moist; silty clay loam; strong medium prismatic parts to moderate fine and medium subangular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; fragments; clear irregular boundary. Lab sample # 40A27990
    B21T—20 to 33 centimeters (7.9 to 13.0 inches); light brownish gray (10YR 6/2), light gray (10YR 7/2) and brown (7.5YR 5/3) crushed and brown (7.5YR 4/3) and brown (7.5YR 5/2), moist; clay; strong medium and coarse prismatic structure; extremely hard, very firm, very sticky, very plastic; 0.5 very fine and fine pores; distinct clay films on horizontal faces of peds and pressure faces on all faces of peds; fragments; gradual wavy boundary. Lab sample # 40A27991
    B22T—33 to 53 centimeters (13.0 to 20.9 inches); light brownish gray (10YR 6/2), light gray (10YR 7/2) and brown (7.5YR 5/3) crushed and brown (7.5YR 4/3) and brown (7.5YR 5/2), moist; clay; strong coarse prismatic parts to strong medium subangular blocky, and strong very fine and fine subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 0.5 very fine and fine pores; distinct clay films on all faces of peds and pressure faces on all faces of peds; fragments; gradual wavy boundary. Lab sample # 40A27992
    B3CA—53 to 71 centimeters (20.9 to 28.0 inches); very pale brown (10YR 7/3), light brown (7.5YR 6/4) and brown (7.5YR 5/4) and brown (10YR 5/3) crushed and brown (7.5YR 4/2), moist; silty clay; strong medium and coarse prismatic parts to strong fine and medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine pores; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A27993
    C1CA—71 to 97 centimeters (28.0 to 38.2 inches); light gray (10YR 7/2), light brown (7.5YR 6/4) and brown (7.5YR 5/2) and brown (7.5YR 5/3), moist; clay; strong coarse platy parts to weak subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; fragments; slight effervescence. Lab sample # 40A27994
    C2—97 to 140 centimeters (38.2 to 55.1 inches); light gray (10YR 7/2), light brown (7.5YR 6/4) and brown (10YR 5/3) and pale brown (10YR 6/3), moist; clay; extremely hard, firm, moderately sticky, very plastic; fragments; slight effervescence. Lab sample # 40A27995
    C3—140 to 188 centimeters (55.1 to 74.0 inches); very pale brown (10YR 7/4), brown (10YR 5/3) and pale brown (10YR 6/3), moist; clay; weak coarse and very coarse platy, and massive; extremely hard, very firm, moderately sticky, very plastic; 0.5 roots; fragments; slight effervescence. Lab sample # 40A27996
    2C4—188 to 213 centimeters (74.0 to 83.9 inches); very pale brown (10YR 7/4), pale brown (10YR 6/3) and brown (10YR 4/3), moist; clay, silty clay; weak coarse platy structure; very hard, firm, moderately sticky, moderately plastic; fragments; slight effervescence. Lab sample # 40A27997