IDENTIFIERS

  • Current Taxon Name (Soil Name): GERDRUM
  • OSD
  • Series Extent
  • User Site ID: S1971MT069003
  • User Pedon ID: S1971MT069003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3721
  • NCSS Pedon Lab Data NASIS Record ID - 39386
  • Print Date: 5/30/2024
  • 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: 46.8804817
  • Std. Longitude: -108.3782578
  • Datum: WGS84
  • Township: 13N
  • Range: 26E
  • Section: 14
  • PLSS Details: 65 feet east of southeast corner
  • State: Montana
  • County: MT069—Petroleum
  • MLRA: 58A—Northern Rolling High Plains, Northern Part
  • Non-MLRA Soil Survey Area: MT069—Petroleum County, Montana
  • PEDON

  • Current Taxonomic Class: Fine, smectitic Borollic Natrargids
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - GERDRUM
  • Classificaton Date - 11/23/2005
  • Sampled As Information:
  • Soil Name - Tealer
  • Classificaton Date - 6/1/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium derived from shale
  • Landform: undulating upland slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1971 (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

    1006

    78

    A2—0 to 1 centimeters (0.0 to 0.4 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; very fine sandy loam; massive; soft, very friable, nonsticky, nonplastic; 21.0 fine vesicular pores; fragments. Lab sample # 40A28673
    Bc—1 to 3 centimeters (0.4 to 1.2 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay; massive; extremely hard, friable, moderately sticky, very plastic; fragments. Lab sample # 40A28673
    Bt21—3 to 6 centimeters (1.2 to 2.4 inches);, dark grayish brown (10YR 4/2), moist; clay; strong very fine subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 3.0 fine roots; 21.0 fine pores; faint light brownish gray (10YR 6/2), moist, skeletans; fragments; clear wavy boundary. Lab sample # 40A28673
    Bt22—6 to 22 centimeters (2.4 to 8.7 inches);, dark grayish brown (10YR 4/2), moist; clay; moderate fine and medium prismatic, and strong fine and medium subangular blocky structure; extremely hard, friable, moderately sticky, very plastic; 3.0 fine roots; 3.0 fine pores; skeletans on vertical faces of peds; fragments; clear wavy boundary. Lab sample # 40A28674
    Bt23—22 to 46 centimeters (8.7 to 18.1 inches);, dark grayish brown (2.5Y 4/2), moist; clay; strong fine and medium angular blocky, and moderate fine and medium prismatic structure; extremely hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine pores; 10 percent fine gypsum crystals, unspecified; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A28675
    Bsc3—46 to 74 centimeters (18.1 to 29.1 inches);, dark grayish brown (2.5Y 4/2), moist; clay; strong fine and medium angular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine pores; 10 percent fine gypsum crystals, unspecified; fragments; strong effervescence; clear wavy boundary. Lab sample # 40A28676
    Csc1—74 to 105 centimeters (29.1 to 41.3 inches);, very dark gray (5Y 3/1), moist; clay; weak coarse prismatic, and strong very fine and fine granular structure; extremely hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine pores; 75 percent gypsum crystals, unspecified; fragments; strong effervescence; diffuse wavy boundary. Lab sample # 40A28677
    Csc2—105 to 134 centimeters (41.3 to 52.8 inches);, very dark gray (5Y 3/1), moist; clay; weak very coarse prismatic, and strong very fine and fine granular structure; very hard, friable, moderately sticky, moderately plastic; 0.5 fine roots in cracks; 0.5 fine pores; 30 percent fine gypsum crystals, unspecified; fragments; slight effervescence; diffuse wavy boundary. Lab sample # 40A28678
    Csc3—134 to 168 centimeters (52.8 to 66.1 inches); light olive brown (2.5Y 5/3), olive (5Y 4/3), moist; clay loam; weak very coarse prismatic, and strong very fine and fine granular structure; very hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine pores; fragments; slight effervescence. Lab sample # 40A28679
    Csc4—168 to 188 centimeters (66.1 to 74.0 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; slightly hard, very friable, slightly sticky, slightly plastic; fragments; strong effervescence; abrupt wavy boundary. Lab sample # 40A28680
    Csc5—188 to 215 centimeters (74.0 to 84.6 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; very gravelly loam; massive; slightly sticky, slightly plastic; fragments. Lab sample # 40A28681