IDENTIFIERS

  • Current Taxon Name (Soil Name): Orofino
  • OSD
  • Series Extent
  • User Site ID: S1993MT043010
  • User Pedon ID: 93MT043010
  • Vegetation Plot ID: S1993MT043010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0680
  • NCSS Pedon Lab Data NASIS Record ID - 66023
  • Print Date: 11/22/2024

    • LOCATION

  • Township: 3N
  • Range: 3W
  • Section: 5
  • PLSS Details: 100 feet S and 300 feet E of NW corner, NW 1/4
  • State: Montana
  • County: MT043—Jefferson

    • PEDON

  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Orofino
  • Taxonomic Class - Fine-loamy, mixed Argic Cryoborolls
  • Classificaton Date - 7/14/1993
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: mountainside
  • Drainage Class: well
  • Surface Fragments: 20.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/1993 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    ACHIL

    ARCO

    ARTR

    CAREX

    FEID

    JUCO

    LUPIN

    PICO

    POSE

    PSME

    RHUS

    Achillea

    Arabis cobrensis

    Arisaema triphyllum

    Carex

    Festuca idahoensis

    Juncus compressus

    Lupinus

    Pinus contorta

    Poa secunda

    Pseudotsuga menziesii

    Rhus

    yarrow

    sagebrush rockcress

    Jack in the pulpit

    sedge

    Idaho fescue

    roundfruit rush

    lupine

    lodgepole pine

    Sandberg bluegrass

    Douglas-fir

    sumac

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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

    30

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    2153

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    180

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); black (10YR 2/1), very dark grayish brown (10YR 3/2), dry; cobbly coarse sandy loam; weak fine granular structure; slightly hard, very friable, slightly sticky, nonplastic; 10.0 very fine and fine roots and 0.5 medium roots; 15 percent clay films; 10 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 75-162-250 millimeter unspecified fragments; noneffervescent; slightly acid, pH 6.4, unspecified; clear wavy boundary. Lab sample # 93P04705. high organic material.
    A2—5 to 13 centimeters (2.0 to 5.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; cobbly coarse sandy loam; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 10.0 very fine and fine roots and 0.5 medium roots; 10 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 75-162-250 millimeter unspecified fragments; noneffervescent; neutral, pH 6.6, unspecified; clear wavy boundary. Lab sample # 93P04706
    Bt1—13 to 28 centimeters (5.1 to 11.0 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; gravelly sandy clay loam; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 10.0 very fine and fine roots; 55 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds; 10 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; moderately acid, pH 6.0, unspecified; clear wavy boundary. Lab sample # 93P04707
    Bt2—28 to 51 centimeters (11.0 to 20.1 inches); dark yellowish brown (10YR 3/4), brown (10YR 4/3), dry; gravelly sandy clay loam; moderate coarse prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 10.0 very fine and fine roots; 55 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds; 5 percent by volume 75-162-250 millimeter unspecified fragments and 18 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly acid, pH 6.2, unspecified; gradual wavy boundary. Lab sample # 93P04708
    Bt3—51 to 74 centimeters (20.1 to 29.1 inches); dark yellowish brown (10YR 3/4), olive brown (2.5Y 4/4), dry; gravelly coarse sandy loam; weak coarse prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 3.0 very fine and fine roots and 0.5 medium roots; 15 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds; fragments; noneffervescent; slightly acid, pH 6.4, unspecified; gradual wavy boundary. Lab sample # 93P04709
    BC—74 to 99 centimeters (29.1 to 39.0 inches); very dark grayish brown (2.5Y 3/2), grayish brown (2.5Y 5/2), dry; very gravelly loamy coarse sand; weak medium subangular blocky structure; 3.0 very fine roots; fragments; noneffervescent; neutral, pH 6.6, unspecified; clear wavy boundary. Lab sample # 93P04710. BC horizon is grus-like except for roots, fragments are <10-15mm.
    Cr—99 to 132 centimeters (39.0 to 52.0 inches);, grayish brown (2.5Y 5/2), dry; fragments; abrupt smooth boundary. Lab sample # 93P04711. decomposed granite bedrock.
    R—132 centimeters (52.0 inches); fragments. fractured granite bedrock.