IDENTIFIERS

  • Current Taxon Name (Soil Name): Kobar
  • OSD
  • Series Extent
  • User Site ID: S1956MT103009
  • User Pedon ID: S1956MT103009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3533
  • NCSS Pedon Lab Data NASIS Record ID - 39198
  • Print Date: 11/24/2024

    • 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: 46.2788239
  • Std. Longitude: -107.2165451
  • Datum: WGS84
  • Township: 6N
  • Range: 36E
  • Section: 16
  • PLSS Details: 200 feet west and 40 feet south of the north quarter corner
  • State: Montana
  • County: MT103—Treasure
  • MLRA: 58A—Northern Rolling High Plains, Northern Part
  • Non-MLRA Soil Survey Area: MT103—Treasure County, Montana

    • PEDON

  • Describers Name: R. L. Moshier
  • Current Taxonomic Class: Fine, smectitic Borollic Camborthids
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Kobar
  • Classificaton Date - 1/26/2010
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Nunn
  • Classificaton Date - 10/1/1956
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: fan terrace
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1956 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • 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

    —

    —

    792

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silt loam; columnar parts to weak fine and medium granular structure; hard, friable, slightly sticky, slightly plastic; 21.0 roots; fragments; slightly alkaline, pH 7.8, thymol-blue; abrupt smooth boundary. Lab sample # 40A27267
    Ap2—10 to 23 centimeters (3.9 to 9.1 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), moist; silty clay loam; very hard, friable, slightly sticky, moderately plastic; 21.0 roots; 30 percent clay films on faces of peds; fragments; slight effervescence; slightly alkaline, pH 7.8, thymol-blue; abrupt smooth boundary. Lab sample # 40A27268
    B2—23 to 29 centimeters (9.1 to 11.4 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), moist; silty clay loam; moderate medium prismatic, and moderate medium angular blocky structure; hard, friable, moderately sticky, moderately plastic; 21.0 roots; 30 percent clay films on faces of peds; fragments; strong effervescence; moderately alkaline, pH 8.4, thymol-blue; abrupt smooth boundary. Lab sample # 40A27269. continuous - phpvsfiid 187900; continuous - phpvsfiid 187900
    B31ca—29 to 53 centimeters (11.4 to 20.9 inches); light olive brown (2.5Y 5/3), olive brown (2.5Y 4/3), moist; silt loam; weak medium prismatic, and weak medium and coarse angular blocky structure; hard, friable, moderately sticky, slightly plastic; 21.0 roots; 21.0 very fine and 0.5 fine pores; very dark grayish brown (10YR 3/2), moist, clay films on vertical faces of peds; fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; clear smooth boundary. Lab sample # 40A27270. few soft lime nodules.; patchy - phpvsfiid 187901; patchy - phpvsfiid 187901
    B32ca—53 to 86 centimeters (20.9 to 33.9 inches); pale olive (5Y 6/3), olive (5Y 4/3), moist; silty clay loam; weak coarse prismatic structure; very hard, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine and 0.5 fine pores; clay films; fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual wavy boundary. Lab sample # 40A27271. streaks and nodules of lime.; patchy - phpvsfiid 187902; patchy - phpvsfiid 187902
    C—86 to 114 centimeters (33.9 to 44.9 inches); pale olive (5Y 6/3), olive (5Y 4/3), moist; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 0.5 roots; fragments; strong effervescence; moderately alkaline, pH 8.3, thymol-blue; diffuse smooth boundary. Lab sample # 40A27272
    C2—114 to 150 centimeters (44.9 to 59.1 inches); pale olive (5Y 6/3), olive (5Y 4/3), moist; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; abrupt smooth boundary. Lab sample # 40A27273
    C3—150 to 170 centimeters (59.1 to 66.9 inches); pale olive (5Y 6/3), olive (5Y 5/3), moist; loam, fine sand, stratified very fine sandy loam; massive; soft, very friable, nonsticky, nonplastic; fragments; strong effervescence; moderately alkaline, pH 8.4, thymol-blue. Lab sample # 40A27274