IDENTIFIERS

  • Current Taxon Name (Soil Name): Brocko
  • OSD
  • Series Extent
  • User Site ID: S1985MT007004
  • User Pedon ID: 85MT007004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0778
  • NCSS Pedon Lab Data NASIS Record ID - 57044
  • Print Date: 11/27/2024

    • 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: 45.8991661
  • Std. Longitude: -111.6158371
  • Datum: WGS84
  • Township: 2N
  • Range: 1E
  • Section: 28
  • PLSS Details: 490 feet E and 1600 feet S of NW corner
  • State: Montana
  • County: MT007—Broadwater
  • MLRA: 43B—Central Rocky Mountains

    • PEDON

  • Describers Name: R. Richardson, J. Rogers and W. Braker
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Brocko
  • Taxonomic Class - Coarse-silty, mixed Borollic Calciorthids
  • Classificaton Date - 7/1/1985
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1985 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    3

    —

    —

    1296

    —

    135

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    —

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    1Ap—0 to 15 centimeters (0.0 to 5.9 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; very fine sandy loam; moderate fine and medium platy structure; friable, slightly sticky, nonplastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 85P04126. many fine and medium roots; many coarse roots
    1Bk1—15 to 48 centimeters (5.9 to 18.9 inches); light gray (10YR 7/2) interior and very pale brown (10YR 7/3) interior, brown (10YR 5/3) interior, moist; silt loam; 15 percent clay; weak medium and coarse prismatic, and weak fine and medium subangular blocky structure; friable, slightly sticky, nonplastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 tubular pores; 30 percent threadlike lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; gradual wavy boundary. Lab sample # 85P04127. many soft masses of lime concentrations; many fine and medium roots; many coarse roots
    1Bk2—48 to 64 centimeters (18.9 to 25.2 inches); very pale brown (10YR 7/3) interior, brown (10YR 5/3) interior, moist; silt loam; 15 percent clay; weak medium and coarse prismatic structure; friable, slightly sticky, nonplastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 tubular pores; 11 percent threadlike lime masses; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; gradual wavy boundary. Lab sample # 85P04128. common soft masses of lime concentrations; many fine and medium roots; many coarse roots
    1Bk3—64 to 79 centimeters (25.2 to 31.1 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; silt loam; 15 percent clay; weak medium and coarse prismatic structure; friable, slightly sticky, nonplastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 tubular pores; 1 percent threadlike lime masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; gradual wavy boundary. Lab sample # 85P04129. few soft masses of lime concentrations; many fine and medium roots; many coarse roots
    1Bkz—79 to 91 centimeters (31.1 to 35.8 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; sandy loam; 15 percent clay; weak medium and coarse prismatic structure; friable, slightly sticky, nonplastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 tubular pores; 1 percent threadlike gypsum masses and 1 percent threadlike lime masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.6, hellige-truog; abrupt smooth boundary. Lab sample # 85P04130. few masses of gypsum concentrations; few soft masses of lime concentrations; many fine and medium roots; many coarse roots
    2Bk1—91 to 127 centimeters (35.8 to 50.0 inches); very pale brown (10YR 8/3) interior, very pale brown (10YR 7/3) interior, moist; very fine sandy loam; 19 percent clay; massive; friable, moderately sticky, moderately plastic; 0.5 fine and medium roots; 5.5 tubular pores; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 85P04131. few fine and medium roots
    2Bk2—127 to 152 centimeters (50.0 to 59.8 inches); very pale brown (10YR 7/4) interior, light yellowish brown (10YR 6/4) interior, moist; sandy clay loam; 22 percent clay; massive; friable, moderately sticky, moderately plastic; 5.5 tubular pores; 11 percent threadlike lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 85P04132. common soft masses of lime concentrations