IDENTIFIERS

  • Current Taxon Name (Soil Name): Lennep
  • OSD
  • Series Extent
  • User Site ID: S1963MT111001
  • User Pedon ID: S1963MT111001
  • Vegetation Plot ID: S1963MT111001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5545
  • NCSS Pedon Lab Data NASIS Record ID - 42788
  • Print Date: 2/17/2025

    • LOCATION

  • Township: 2 S
  • Range: 28 E
  • Section: 18
  • PLSS Details: 50' E of trail near SW corner
  • State: Montana
  • County: MT111—Yellowstone

    • PEDON

  • Describers Name: C. A. Mogen
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Lennep
  • Classificaton Date - 7/25/1963
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: old alluvium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/1963 (actual site observation date)
  • 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

    ARFR4

    BOGR2

    BRTE

    ELTR7

    HECOC8

    PASM

    Artemisia frigida

    Bouteloua gracilis

    Bromus tectorum

    Elymus trachycaulus

    Hesperostipa comata ssp. comata

    Pascopyrum smithii

    prairie sagewort

    blue grama

    cheatgrass

    slender wheatgrass

    needle and thread

    western wheatgrass

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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

    0.5

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    E—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2) and pale brown (10YR 6/3) crushed and pale brown (10YR 6/3), dry; loam; soft, friable, slightly sticky, nonplastic; fragments; clear boundary. Lab sample # 40A41640
    B/E—8 to 20 centimeters (3.1 to 7.9 inches); dark brown (10YR 3/3) crushed and very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2) and grayish brown (10YR 5/2) crushed, dry; clay loam; moderate medium prismatic parts to moderate thin platy parts to moderate fine angular blocky structure; hard, friable, slightly sticky, slightly plastic; distinct clay films on all faces of peds; fragments; clear boundary. Lab sample # 40A41641. continuous - phpvsfiid 458007; continuous - phpvsfiid 458007
    Bt1—20 to 30 centimeters (7.9 to 11.8 inches); very dark grayish brown (10YR 3/2) crushed and dark brown (10YR 3/3), grayish brown (10YR 5/2) crushed and dark grayish brown (10YR 4/2), dry; clay; moderate fine prismatic parts to strong very fine angular blocky structure; very hard, friable, moderately sticky, moderately plastic; clay films on all faces of peds; fragments; gradual boundary. continuous - phpvsfiid 458008; continuous - phpvsfiid 458008
    Bt2—30 to 43 centimeters (11.8 to 16.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; clay; strong medium prismatic parts to moderate medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; clay films on all faces of peds; fragments; gradual boundary. Lab sample # 40A41642. continuous - phpvsfiid 458009; continuous - phpvsfiid 458009
    Bt3—43 to 53 centimeters (16.9 to 20.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very hard, firm, moderately sticky, very plastic; clay films; fragments; clear irregular boundary. continuous - phpvsfiid 458010; continuous - phpvsfiid 458010
    BCk—53 to 69 centimeters (20.9 to 27.2 inches); dark grayish brown (2.5Y 4/2), light olive brown (2.5Y 5/3), dry; gravelly clay loam; moderate medium blocky structure; very hard, friable, slightly sticky, slightly plastic; fragments; gradual boundary. Lab sample # 40A41643
    2Ck1—69 to 99 centimeters (27.2 to 39.0 inches); grayish brown (2.5Y 5/2), light brownish gray (2.5Y 6/2), dry; gravelly clay loam; massive; very hard, friable, slightly sticky, slightly plastic; fragments.