IDENTIFIERS

  • Current Taxon Name (Soil Name): POST
  • OSD
  • Series Extent
  • User Site ID: S1965MT047007
  • User Pedon ID: S1965MT047007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3637
  • NCSS Pedon Lab Data NASIS Record ID - 39302
  • Print Date: 12/17/2024

    • 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: 47.4576607
  • Std. Longitude: -114.2020798
  • Datum: WGS84
  • Township: 20N
  • Range: 20W
  • Section: 30
  • PLSS Details: 420 feet east and 132 feet north of SW 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

  • Describers Name: C. A. Mogen
  • Current Taxonomic Class: Very-fine, illitic, frigid Typic Natrixerolls
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - POST
  • PSC - 15 to 53 cm.
  • Classificaton Date - 2/1/2006
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Post
  • Classificaton Date - 7/16/1965
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • 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:
  • 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

    —

    —

    896

    —

    406

    —

    —

    6.7

    19.4

    —

    —

    —

    —

    —

    —

    —

    —

    —
    AP—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; weak medium platy structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 fine pores; fragments; abrupt boundary. Lab sample # 40A27998; moist when described;
    B21T—15 to 23 centimeters (5.9 to 9.1 inches); 60 percent light gray (10YR 7/1), brown (10YR 5/3), moist; clay; strong medium columnar parts to moderate fine and medium angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; fragments; gradual wavy boundary. Lab sample # 40A27999; moist when described;
    B22T—23 to 30 centimeters (9.1 to 11.8 inches); light brownish gray (10YR 6/2), light brown (7.5YR 6/3) and brown (7.5YR 5/3) and brown (7.5YR 4/3) and brown (10YR 5/3), moist; clay; strong medium prismatic parts to moderate fine and medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 fine vesicular pores; dark brown (7.5YR 3/3), moist, clay films on faces of peds; fragments; gradual boundary. Lab sample # 40A28000; moist when described;. patchy - phpvsfiid 189638; patchy - phpvsfiid 189638
    B23T—30 to 41 centimeters (11.8 to 16.1 inches); very pale brown (10YR 7/3), brown (7.5YR 5/4) and pinkish gray (7.5YR 7/2) and brown (7.5YR 5/3), moist; clay; weak coarse prismatic parts to weak fine and medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; fragments; gradual boundary. Lab sample # 40A28001; moist when described;
    B24T—41 to 53 centimeters (16.1 to 20.9 inches); very pale brown (10YR 7/3), brown (7.5YR 5/4) and pinkish gray (7.5YR 7/2) and brown (7.5YR 5/3), moist; clay; weak coarse prismatic parts to moderate medium platy structure; extremely hard, firm, very sticky, very plastic; 3.0 fine and medium pores; fragments; slight effervescence; gradual boundary. Lab sample # 40A28002; moist when described;
    C1CA—53 to 69 centimeters (20.9 to 27.2 inches); very pale brown (10YR 7/3), brown (7.5YR 5/4) and brown (7.5YR 5/3) and brown (7.5YR 4/3), moist; clay; strong medium and coarse platy structure; extremely hard, firm, very sticky, very plastic; fragments; slight effervescence; clear boundary. Lab sample # 40A28003; moist when described;
    C2—69 to 97 centimeters (27.2 to 38.2 inches); pinkish gray (7.5YR 7/2), pinkish gray (7.5YR 6/2) and dark gray (10YR 4/1) and brown (7.5YR 5/2), moist; clay; strong medium and coarse platy structure; extremely hard, firm, very sticky, very plastic; fragments; slight effervescence; clear boundary. Lab sample # 40A28004; moist when described;
    C3—97 to 135 centimeters (38.2 to 53.1 inches); pinkish gray (7.5YR 7/2), light brown (7.5YR 6/4) and light yellowish brown (10YR 6/4) and white (10YR 8/1) and brown (7.5YR 5/2), moist; clay; strong medium and coarse platy structure; extremely hard, very sticky, very plastic; 21.0 roots; fragments; slight effervescence; clear boundary. Lab sample # 40A28005; moist when described;
    2C4—135 to 170 centimeters (53.1 to 66.9 inches); pinkish gray (7.5YR 7/2), light brown (7.5YR 6/4) and light yellowish brown (10YR 6/4) and white (10YR 8/1) and brown (7.5YR 5/2), moist; silty clay; strong medium and coarse platy structure; 21.0 roots; fragments; slight effervescence; abrupt boundary. Lab sample # 40A28006; moist when described;
    3C5—170 to 196 centimeters (66.9 to 77.2 inches); white (10YR 8/1), grayish brown (10YR 5/2), moist; silt; massive; hard when dry, very friable, nonsticky, nonplastic; fragments; slight effervescence. Lab sample # 40A28007; moist when described;