IDENTIFIERS

  • Current Taxon Name (Soil Name): Nicholson
  • OSD
  • Series Extent
  • User Site ID: S2003MT612001
  • User Pedon ID: 03MT001002
  • Vegetation Plot ID: S2003MT612001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N1009
  • NCSS Pedon Lab Data NASIS Record ID - 16115
  • 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: 45.1494446
  • Std. Longitude: -112.8811111
  • Datum: WGS84
  • Map Unit: 143D—Michelson-Hysoop complex, 2 to 15 percent slopes
  • State: Montana
  • County: MT001—Beaverhead
  • MLRA: 43B—Central Rocky Mountains
  • Non-MLRA Soil Survey Area: MT612—Horse Prairie-South Valley Area - Part of Beaverhead County, Montana
  • 7.5 Minute USGS Quad: 45112-B8—Bannack, Montana

    • PEDON

  • Describers Name: Ken Scalzone and Gary Berger
  • Current Taxonomic Class: Fine-loamy, carbonatic Ustic Argicryolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Nicholson
  • Taxonomic Class - Fine-loamy, carbonatic Ustic Argicryolls
  • PSC - 8 to 58 cm.
  • Classificaton Date - 9/3/2003
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - ustic
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landform: low hill
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Surface Fragments: 10.00 percent 76- to 250-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/3/2003 (actual site observation date)
  • Plant Association Name: AGSP/FEID/ARTR2
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    ARTR2

    CHRYS9

    FEID

    KOMA

    PHHO

    VICIA

    Agropyron spicatum

    Artemisia tridentata

    Chrysothamnus

    Festuca idahoensis

    Koeleria macrantha

    Phlox hoodii

    Vicia

    —

    big sagebrush

    rabbitbrush

    Idaho fescue

    prairie Junegrass

    spiny phlox

    vetch

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    8—58

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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

    15

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    1914

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    70

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    A—0 to 8 centimeters (0.0 to 3.1 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; loam; 13 percent clay; moderate medium granular structure; soft, very friable, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 4.0 very fine tubular and 4.0 fine tubular pores; 10 percent by volume rounded 2-?-75 millimeter mixed fragments; noneffervescent; neutral, pH 6.6; clear smooth boundary. Lab sample # 03N05123
    Bt—8 to 25 centimeters (3.1 to 9.8 inches); dark brown (7.5YR 3/3), brown (7.5YR 5/3), dry; clay loam; 28 percent clay; moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 4.0 very fine tubular and 4.0 fine tubular pores; 25 percent distinct clay films on all faces of peds and 25 percent distinct dark brown (7.5YR 3/3) clay films on surfaces along pores; 15 percent by volume rounded 2-?-75 millimeter mixed fragments; noneffervescent; neutral, pH 6.6; clear wavy boundary. Lab sample # 03N05124. discontinuous - phpvsfiid 267959; discontinuous - phpvsfiid 267960; discontinuous - phpvsfiid 267959; discontinuous - phpvsfiid 267960
    Btk—25 to 58 centimeters (9.8 to 22.8 inches); brown (7.5YR 4/3), pinkish gray (7.5YR 7/2), dry; loam; 23 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 10 percent faint brown (7.5YR 5/2) clay films on surfaces along pores and 10 percent faint dark brown (10YR 3/3) clay films on all faces of peds; 30 percent medium irregular carbonate masses throughout; 25 percent by volume rounded 2-?-75 millimeter mixed fragments; strong effervescence; neutral, pH 7.0; clear wavy boundary. Lab sample # 03N05125. discontinuous - phpvsfiid 267961; discontinuous - phpvsfiid 267962; discontinuous - phpvsfiid 267961; discontinuous - phpvsfiid 267962
    Bk—58 to 107 centimeters (22.8 to 42.1 inches); light reddish brown (5YR 6/3), pink (5YR 7/3), dry; sandy loam; 10 percent clay; weak coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 0.5 very fine roots throughout; 0.5 fine tubular pores; 25 percent coarse irregular carbonate masses throughout; 5 percent by volume rounded 76-?-250 millimeter mixed fragments and 20 percent by volume rounded 2-?-75 millimeter mixed fragments; violent effervescence; moderately alkaline, pH 8.4; gradual wavy boundary. Lab sample # 03N05126
    2Bk—107 to 152 centimeters (42.1 to 59.8 inches); red (2.5YR 4/8), red (2.5YR 4/6), dry; clay loam; 33 percent clay; moderate coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 fine tubular pores; 10 percent fine dendritic carbonate masses throughout; 20 percent by volume rounded 76-?-250 millimeter mixed fragments and 20 percent by volume rounded 2-?-75 millimeter mixed fragments; slight effervescence; strongly alkaline, pH 8.6. Lab sample # 03N05127