IDENTIFIERS

  • Current Taxon Name (Soil Name): Sieben
  • OSD
  • Series Extent
  • User Site ID: S1991MT049009
  • User Pedon ID: 91MT049009
  • Vegetation Plot ID: S1991MT049009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0508
  • NCSS Pedon Lab Data NASIS Record ID - 64747
  • Print Date: 12/4/2024

    • 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: 46.8874016
  • Std. Longitude: -112.1064453
  • Datum: WGS84
  • Township: 13N
  • Range: 4W
  • Section: 15
  • PLSS Details: 1900 feet S and 50 feet E of NW corner
  • State: Montana
  • County: MT049—Lewis and Clark

    • PEDON

  • Describers Name: LCB, AS
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 9
  • Sampled As Information:
  • Soil Name - Sieben
  • Taxonomic Class - Loamy-skeletal, mixed Aridic Argiborolls
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/26/1978
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/26/1978 (actual site observation date)
  • Air Photo ID: 6P-85
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGSP

    Agropyron spicatum

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    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

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    1237

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    225

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    A1—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; gravelly loam; moderate very fine platy parts to moderate very fine granular structure; slightly hard, very friable, slightly sticky, nonplastic; 21.0 very fine roots; 20 percent by volume unspecified fragments; very slight effervescence; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 92P02954
    A2—13 to 23 centimeters (5.1 to 9.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; gravelly loam; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular pores; 20 percent by volume unspecified fragments; very slight effervescence; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 92P02955
    Bt1—23 to 43 centimeters (9.1 to 16.9 inches); dark brown (10YR 3/3) and brown (10YR 4/3) crushed, pale brown (10YR 6/3) crushed and brown (10YR 5/3), dry; very gravelly clay loam; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 3.0 very fine roots; 21.0 very fine interstitial and tubular pores; 45 percent by volume unspecified fragments; very slight effervescence; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 92P02956
    Bt2—43 to 53 centimeters (16.9 to 20.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; very gravelly loam; weak fine subangular blocky structure; slightly hard, very friable, moderately sticky, slightly plastic; 3.0 very fine roots; 21.0 very fine interstitial and tubular pores; 10 percent faint clay films on faces of peds; 55 percent by volume unspecified fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary. Lab sample # 92P02957. thin lime casts on undersides of frags
    Bk1—53 to 76 centimeters (20.9 to 29.9 inches); pale brown (10YR 6/3), very pale brown (10YR 7/3), dry; very gravelly loam; weak fine and medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots; 21.0 very fine interstitial and tubular pores; 21 percent lime masses; 55 percent by volume unspecified fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 92P02958. few cobbles; lime coatings and moderately thick casts on undersides of frags; many seams and soft masses of lime
    Bk2—76 to 104 centimeters (29.9 to 40.9 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; extremely gravelly loam; massive; slightly hard, very firm, slightly sticky, slightly plastic; 0.5 very fine roots; 75 percent by volume 2-39-75 millimeter unspecified fragments and 75 percent by volume 75-162-250 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 92P02959. lime casts, cemented sand, and fine gravel on undersides of frags
    Bk3—104 to 152 centimeters (40.9 to 59.8 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; extremely gravelly sandy loam; massive; slightly hard, very friable, slightly sticky, nonplastic; 75 percent by volume unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 92P02960. thin lime casts on undersides of frags