IDENTIFIERS

  • Current Taxon Name (Soil Name): Carbo
  • OSD
  • Series Extent
  • User Site ID: S2003MT612003
  • User Pedon ID: 03MT001004
  • Vegetation Plot ID: S2003MT612003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N1011
  • NCSS Pedon Lab Data NASIS Record ID - 16117
  • Print Date: 5/20/2024

    • 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: 45.1450005
  • Std. Longitude: -112.8874969
  • Datum: WGS84
  • Map Unit: 225E—Sa-Sk aridic calciustepts-Tibson association, 15 to 35 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: Gary Berger and Ken Scalzone
  • Current Taxonomic Class: Sandy-skeletal, carbonatic, frigid Aridic Calciustepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Carbo
  • Taxonomic Class - Sandy-skeletal, carbonatic, frigid Aridic Calciustepts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/4/2003
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcic alluvium
  • Landscape: upland
  • Landform: hill
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/4/2003 (actual site observation date)
  • Plant Association Name: ARNON2/HECOC8
  • 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

    ACHY

    ARNO4

    CHRYS9

    HECO26

    PHLOX

    PIFL2

    POA

    PSSP6

    Achnatherum hymenoides

    Artemisia nova

    Chrysothamnus

    Hesperostipa comata

    Phlox

    Pinus flexilis

    Poa

    Pseudoroegneria spicata

    Indian ricegrass

    black sagebrush

    rabbitbrush

    needle and thread

    phlox

    limber pine

    bluegrass

    bluebunch 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

    30

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    1957

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    200

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    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; gravelly loam; 15 percent clay; weak very fine granular, and weak fine granular structure; soft, very friable, slightly sticky, nonplastic; 10.0 very fine roots throughout and 0.5 very coarse roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; carbonate, finely disseminated throughout; 30 percent by volume rounded 2-?-75 millimeter mixed fragments; violent effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N05136
    Bk—8 to 20 centimeters (3.1 to 7.9 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; gravelly loam; 16 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 0.5 very coarse roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; carbonate, finely disseminated throughout and carbonate, finely disseminated on bottom of rock fragments; 1 percent by volume rounded 76-?-250 millimeter mixed fragments and 25 percent by volume rounded 2-?-75 millimeter mixed fragments; violent effervescence; moderately alkaline, pH 8.2; clear wavy boundary. Lab sample # 03N05137
    Bkq1—20 to 46 centimeters (7.9 to 18.1 inches); pink (7.5YR 7/3), light brown (7.5YR 6/3), moist; very gravelly sandy loam; 14 percent clay; weak very coarse subangular blocky structure; hard, friable, moderately sticky, nonplastic; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout; 25 percent coarse irregular carbonate masses throughout and 10 percent fine platy silica masses on bottom of rock fragments and 25 percent medium irregular carbonate masses throughout; 1 percent by volume rounded 76-?-250 millimeter mixed fragments and 50 percent by volume rounded 2-?-75 millimeter mixed fragments; violent effervescence; strongly alkaline, pH 8.6; clear wavy boundary. Lab sample # 03N05138
    Bkq2—46 to 109 centimeters (18.1 to 42.9 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; extremely gravelly loamy sand; 4 percent clay; weak very coarse subangular blocky structure; soft, very friable, nonsticky, nonplastic; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout; 25 percent coarse irregular carbonate masses throughout and 10 percent fine platy silica masses on bottom of rock fragments and 25 percent medium irregular carbonate masses throughout; 1 percent by volume rounded 76-?-250 millimeter mixed fragments and 65 percent by volume rounded 2-?-75 millimeter mixed fragments; violent effervescence; strongly alkaline, pH 8.6; clear wavy boundary. Lab sample # 03N05139
    Bkq3—109 to 152 centimeters (42.9 to 59.8 inches); pink (5YR 7/4), light reddish brown (5YR 6/4), moist; extremely cobbly sand; 2 percent clay; weak very coarse subangular blocky structure; loose, nonsticky, nonplastic; 4.0 very fine roots throughout and 4.0 fine roots throughout; 25 percent coarse irregular carbonate masses throughout and 10 percent fine platy silica masses on bottom of rock fragments and 25 percent medium irregular carbonate masses throughout; 25 percent by volume rounded 2-?-75 millimeter mixed fragments and 35 percent by volume rounded 76-?-250 millimeter mixed fragments; violent effervescence; moderately alkaline, pH 8.0. Lab sample # 03N05140