IDENTIFIERS

  • Current Taxon Name (Soil Name): COPENHAVER
  • OSD
  • Series Extent
  • User Site ID: S1999MT077001
  • User Pedon ID: 99MT077001
  • Vegetation Plot ID: S1999MT077001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 99P0428
  • NCSS Pedon Lab Data NASIS Record ID - 11287
  • Print Date: 11/21/2024

    • 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: 46.3511391
  • Std. Longitude: -112.4970016
  • Datum: WGS84
  • Township: 7N
  • Range: 7W
  • Section: 20
  • PLSS Details: NE1/4
  • Location Description: Gunsite Pass
  • State: Montana
  • County: MT077—Powell
  • Non-MLRA Soil Survey Area: MT644—Powell County Area, Montana
  • 7.5 Minute USGS Quad: 46112-C4—Thunderbolt Creek, Montana

    • PEDON

  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Copenhaver
  • Taxonomic Class - Loamy-skeletal, mixed, superactive Lithic Argicryo
  • Taxon Kind - series
  • Classificaton Date - 7/9/1999
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/1999 (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

    CAGA3

    CAREX

    CIRSI

    DESC

    TARAX

    VICIA

    Carex garberi

    Carex

    Cirsium

    Delphinium scaposum

    Taraxacum

    Vicia

    elk sedge

    sedge

    thistle

    tall mountain larkspur

    dandelion

    vetch

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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

    12

    —

    —

    2384

    —

    350

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    R—; fragments. Volcanic Bedrock.
    A—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; very stony loam; 22 percent clay; weak very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots; 10 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 75-162-250 millimeter unspecified fragments and 20 percent by volume 250-425-600 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 99P02428. reaction: eo
    Bt1—20 to 36 centimeters (7.9 to 14.2 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; very cobbly sandy clay loam; 26 percent clay; moderate very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 1.0 very fine and fine roots; 10 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 35 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 99P02429. reaction: eo
    Bt2—36 to 49 centimeters (14.2 to 19.3 inches); brown (10YR 4/3), brown (10YR 5/3), dry; very channery sandy clay loam; 30 percent clay; weak coarse prismatic structure; hard, firm, slightly sticky, moderately plastic; 1.0 very fine roots; 20 percent by volume 2-39-75 millimeter unspecified fragments and 40 percent by volume 75-162-250 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; gradual wavy boundary. Lab sample # 99P02430. reaction: eo