IDENTIFIERS

  • Current Taxon Name (Soil Name): Brocko
  • OSD
  • Series Extent
  • User Site ID: S1970MT007001
  • User Pedon ID: S1970MT007001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3688
  • NCSS Pedon Lab Data NASIS Record ID - 39353
  • 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: 46.0332375
  • Std. Longitude: -111.5841904
  • Datum: WGS84
  • Township: 3N
  • Range: 1E
  • Section: 9
  • PLSS Details: 1300 feet east and 200 feet north of SW corner
  • State: Montana
  • County: MT007—Broadwater
  • MLRA: 44B—Central Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT609—Broadwater County Area, Montana
  • PEDON

  • Describers Name: J. A. Olsen
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, frigid Borollic Calciorthids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Brocko
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Brockway
  • Classificaton Date - 12/1/1970
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: terrace
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1970 (actual site observation date)
  • Surface Cover Properties:
  • 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

    1359

    279

    5.6

    16.7

    -6.7

    AP—0 to 15 centimeters (0.0 to 5.9 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; silt loam; weak fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; fragments; strong effervescence; abrupt smooth boundary. Lab sample # 40A28437
    C1CA—15 to 48 centimeters (5.9 to 18.9 inches); very pale brown (10YR 8/3), pale brown (10YR 6/3), moist; silt loam; weak coarse prismatic structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 3.0 very fine and fine pores; 1 percent medium lime masses; fragments; violent effervescence; gradual smooth boundary. Lab sample # 40A28438
    C2CA—48 to 81 centimeters (18.9 to 31.9 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; silt loam; weak coarse prismatic structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 3.0 very fine and fine pores; fragments; violent effervescence; diffuse smooth boundary. Lab sample # 40A28439
    C3—81 to 124 centimeters (31.9 to 48.8 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; silt loam; weak coarse prismatic structure; slightly hard, very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots; 0.5 very fine and fine pores; fragments; violent effervescence; gradual smooth boundary. Lab sample # 40A28440
    C4CS—124 to 152 centimeters (48.8 to 59.8 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; silt loam; weak coarse subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots; 0.5 very fine and fine pores; 1 percent fine gypsum threads; fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A28441
    C5—152 to 183 centimeters (59.8 to 72.0 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; silt loam; weak coarse subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots; 0.5 very fine and fine pores; fragments; violent effervescence. Lab sample # 40A28442