IDENTIFIERS

  • Current Taxon Name (Soil Name): POST
  • OSD
  • Series Extent
  • User Site ID: S1984MT047007
  • User Pedon ID: 84MT047007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0360
  • NCSS Pedon Lab Data NASIS Record ID - 56076
  • 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: 47.4696045
  • Std. Longitude: -114.1315231
  • Datum: WGS84
  • Township: 20N
  • Range: 20W
  • Section: 27
  • PLSS Details: 600 feet south and 1980 feet east of the northwest corner
  • State: Montana
  • County: MT047—Lake
  • MLRA: 44A—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT629—Lake County Area, Montana
  • PEDON

  • Current Taxonomic Class: Very-fine, illitic, frigid Typic Natrixerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - POST
  • PSC - 41 to 74 cm.
  • Classificaton Date - 8/2/2004
  • Sampled As Information:
  • Soil Name - Post
  • Taxonomic Class - Very-fine, illitic, frigid Typic Natrixeroll
  • Taxon Kind - series
  • Classificaton Date - 8/19/1984
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: lacustrine deposits
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/19/1984 (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

    930

    315

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; 24 percent clay; weak fine granular structure; soft, very friable; 5 percent by volume 75-?-250 millimeter unspecified fragments and 5 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear smooth boundary.
    AB—25 to 41 centimeters (9.8 to 16.1 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; 24 percent clay; moderate medium subangular blocky structure; soft, very friable; 5 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; neutral, pH 7.0, phenol red; clear smooth boundary.
    Bt—41 to 74 centimeters (16.1 to 29.1 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay; 60 percent clay; strong medium angular blocky structure; very hard, very firm; 3 percent by volume 75-?-250 millimeter unspecified fragments and 10 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.8, phenol red; clear wavy boundary. Lab sample # 85P01724
    Bk1—74 to 107 centimeters (29.1 to 42.1 inches); brown (10YR 4/3), brown (10YR 5/3), moist; silty clay loam; 45 percent clay; strong medium subangular blocky structure; very hard, very firm; 10 percent by volume 2-?-75 millimeter unspecified fragments; strong effervescence; very strongly alkaline, pH 9.2, thymol-blue; clear smooth boundary. Lab sample # 85P01725
    Bk2—107 to 152 centimeters (42.1 to 59.8 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; silty clay loam; 40 percent clay; massive; hard, firm; 10 percent by volume 2-?-75 millimeter unspecified fragments; slight effervescence; very strongly alkaline, pH 9.2, thymol-blue. Lab sample # 85P01726