IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackcreek
  • OSD
  • Series Extent
  • User Site ID: S1992MT053007
  • User Pedon ID: copyof92MT053007
  • Vegetation Plot ID: S1992MT053007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0714
  • NCSS Pedon Lab Data NASIS Record ID - 64953
  • Print Date: 2/16/2025
  • 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: 48.0461121
  • Std. Longitude: -115.1077805
  • Datum: WGS84
  • Township: 26N
  • Range: 27W
  • Section: 5
  • PLSS Details: 2300 feet E and 300 feet S of NW corner
  • Location Description: Near the Lower of 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, calcareous, frigid Typic Endoaquepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Blackcreek
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/15/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Blackwood
  • Classificaton Date - 5/29/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: terrace
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/29/1992 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • 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

    ALNUS

    ARCO

    BEOC2

    COCA

    EQAR

    PIEN

    PIGL

    POTEN

    SALIX

    STSM

    Alnus

    Arabis cobrensis

    Betula occidentalis

    Cocculus carolinus

    Equisetum arvense

    Picea engelmannii

    Picea glauca

    Potentilla

    Salix

    Strigula smaragdula

    alder

    sagebrush rockcress

    water birch

    Carolina coralbead

    field horsetail

    Engelmann spruce

    white spruce

    cinquefoil

    willow

    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

    1036

    A—0 to 10 centimeters (0.0 to 3.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 fine and medium roots and 0.5 coarse roots; fragments; slight effervescence; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # 92P04346
    Bw—10 to 30 centimeters (3.9 to 11.8 inches); dark gray (10YR 4/1), gray (10YR 6/1), dry; silt loam; weak medium platy parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 fine and medium roots; fragments; slight effervescence; neutral, pH 7.2, hellige-truog; gradual wavy boundary. Lab sample # 92P04347
    Bk—30 to 69 centimeters (11.8 to 27.2 inches); olive gray (5Y 5/2), light gray (5Y 7/2), dry; silty clay loam; 1 percent brown (10YR 4/3) fine faint mottles; weak medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 medium roots; fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog; gradual wavy boundary. Lab sample # 92P04348
    C1—69 to 91 centimeters (27.2 to 35.8 inches); gray (5Y 6/1), white (5Y 8/1), dry; silty clay loam; 3 percent brown (10YR 4/3) fine distinct mottles; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 92P04349
    C2—91 to 107 centimeters (35.8 to 42.1 inches); light gray (5Y 7/2), pale yellow (5Y 8/2), dry; silt; 21 percent yellowish brown (10YR 5/6) medium prominent mottles; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; slight effervescence; neutral, pH 6.8, hellige-truog; gradual wavy boundary. Lab sample # 92P04350
    2C—107 to 152 centimeters (42.1 to 59.8 inches); gray (10YR 5/1), gray (10YR 6/1), dry; stratified sand to silt; massive; loose, loose, nonsticky, nonplastic; fragments; slight effervescence; neutral, pH 6.8, hellige-truog. Lab sample # 92P04351