IDENTIFIERS

  • Current Taxon Name (Soil Name): Ethridge
  • OSD
  • Series Extent
  • User Site ID: S1956MT103010
  • User Pedon ID: S1956MT103010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3534
  • NCSS Pedon Lab Data NASIS Record ID - 39199
  • Print Date: 11/13/2024

    • 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: 46.2924347
  • Std. Longitude: -107.2165451
  • Datum: WGS84
  • Township: 6N
  • Range: 36E
  • Section: 9
  • PLSS Details: 400 feet south and 100 feet west of the southeast 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, frigid Aridic Argiborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Ethridge
  • Classificaton Date - 1/27/2010
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Nunn
  • Classificaton Date - 10/2/1956
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/2/1956 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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 8 centimeters (0.0 to 3.1 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; silty clay loam; strong fine and medium platy structure; very hard, friable, moderately sticky, moderately plastic; 21.0 roots; fragments; very slight effervescence; slightly alkaline, pH 7.5, thymol-blue; abrupt smooth boundary. Lab sample # 40A27275
    Ap2—8 to 17 centimeters (3.1 to 6.7 inches); very dark grayish brown (2.5Y 3/2), light olive brown (2.5Y 5/3), dry; silty clay loam; columnar structure; very hard, friable, moderately sticky, moderately plastic; 21.0 roots; 30 percent clay films; fragments; very slight effervescence; slightly alkaline, pH 7.6, thymol-blue; abrupt smooth boundary. Lab sample # 40A27276. cloddy structure with occasional thin clay skins.
    B2—17 to 28 centimeters (6.7 to 11.0 inches); olive (5Y 4/3) and olive (5Y 4/3), olive (5Y 5/3), dry; silty clay loam; moderate medium prismatic, and moderate medium and coarse angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine and fine pores; 30 percent clay films on faces of peds; fragments; strong effervescence; moderately alkaline, pH 7.9, thymol-blue; clear wavy boundary. Lab sample # 40A27277. continuous - phpvsfiid 187904; continuous - phpvsfiid 187904
    B31—28 to 44 centimeters (11.0 to 17.3 inches); olive (5Y 5/3), pale olive (5Y 6/3), dry; silty clay loam; weak coarse angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine pores; 30 percent clay films on vertical faces of peds; fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual wavy boundary. Lab sample # 40A27278. patchy - phpvsfiid 187905; patchy - phpvsfiid 187905
    B32ca—44 to 61 centimeters (17.3 to 24.0 inches); olive gray (5Y 4/2), light olive gray (5Y 6/2), dry; silty clay loam; weak coarse prismatic structure; very hard, friable, very sticky, moderately plastic; 21.0 roots; 21.0 very fine and 0.5 fine pores; clay films on vertical faces of peds; carbonate nodules; fragments; strong effervescence; strongly alkaline, pH 8.5, thymol-blue; gradual wavy boundary. Lab sample # 40A27279. scattered seams and nodules of lime.; patchy - phpvsfiid 187889; patchy - phpvsfiid 187889
    B33ca—61 to 76 centimeters (24.0 to 29.9 inches); olive (5Y 5/3), pale olive (5Y 6/3), dry; silty clay loam; weak coarse prismatic structure; hard, friable, moderately sticky, moderately plastic; 0.5 roots; 21.0 very fine and 0.5 fine pores; 30 percent clay films; carbonate nodules; fragments; strong effervescence; strongly alkaline, pH 8.8, thymol-blue; diffuse wavy boundary. Lab sample # 40A27280. few soft nodules and seams of lime.
    C1—76 to 114 centimeters (29.9 to 44.9 inches); olive (5Y 5/3), light olive gray (5Y 6/2), dry; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 0.5 roots; 21.0 very fine pores; fragments; strong effervescence; strongly alkaline, pH 8.7, thymol-blue; abrupt smooth boundary. Lab sample # 40A27281
    C2—114 to 163 centimeters (44.9 to 64.2 inches); olive (5Y 5/3), light olive gray (5Y 6/2), dry; stratified loam to fine sand to very fine sandy loam; massive; slightly hard, very friable, nonsticky, nonplastic; fragments; strong effervescence; moderately alkaline, pH 8.4, thymol-blue. Lab sample # 40A27282. few streaks of gypsum.