IDENTIFIERS

  • Current Taxon Name (Soil Name): Blacklake
  • OSD
  • Series Extent
  • User Site ID: S1992MT053005
  • User Pedon ID: 92MT053005
  • Vegetation Plot ID: S1992MT053005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0712
  • NCSS Pedon Lab Data NASIS Record ID - 64951
  • Print Date: 12/4/2024

    • 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: 48.0480537
  • Std. Longitude: -115.1133347
  • Datum: WGS84
  • Township: 27N
  • Range: 27W
  • Section: 32
  • PLSS Details: 1000 feet E and 500 feet N of SW corner
  • Location Description: Near Upper Thompson Lake.
  • State: Montana
  • County: MT053—Lincoln
  • MLRA: 43A—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: MT651—Sanders and Parts of Lincoln and Flathead Counties, Montana
  • 7.5 Minute USGS Quad: 48115-A1—Thompson Lakes, Montana

    • PEDON

  • Describers Name: TW
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, nonacid, frigid Histic Humaquepts
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Blacklake
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Blackbird
  • Taxonomic Class - Fine-silty, mixed, calcareous, frigid Mollic Halaq
  • Classificaton Date - 6/2/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: depression
  • Slope Shape Down: concave
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/2/1992 (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

    TYPHA

    Typha

    cattail

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    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

    0

    —

    —

    1018

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    Oa—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) muck; weak fine granular structure; soft, nonsticky, nonplastic; fragments; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 92P04336
    A—20 to 23 centimeters (7.9 to 9.1 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; silty clay loam; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 92P04337
    C1—23 to 66 centimeters (9.1 to 26.0 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 92P04337
    C2—66 to 81 centimeters (26.0 to 31.9 inches); gray (10YR 6/1), white (10YR 8/1), dry; silt; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; slightly hard, friable, nonsticky, nonplastic; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 92P04338
    C3—81 to 107 centimeters (31.9 to 42.1 inches); grayish brown (2.5Y 5/2), light gray (2.5Y 7/2), dry; silt loam; 1 percent yellowish brown (10YR 5/4) fine distinct mottles; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; gradual wavy boundary. Lab sample # 92P04339
    C4—107 to 152 centimeters (42.1 to 59.8 inches); olive brown (2.5Y 4/4) and light brownish gray (2.5Y 6/2), olive brown (2.5Y 4/4), dry; silt loam, very fine sandy loam; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 92P04340