IDENTIFIERS

  • Current Taxon Name (Soil Name): Half Moon
  • OSD
  • Series Extent
  • User Site ID: S1992MT053002
  • User Pedon ID: 92MT053002
  • Vegetation Plot ID: S1992MT053002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0648
  • NCSS Pedon Lab Data NASIS Record ID - 64887
  • 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: 48.0441666
  • Std. Longitude: -115.0855560
  • Datum: WGS84
  • Township: 26N
  • Range: 27W
  • Section: 4
  • PLSS Details: 2500 feet E and 900 feet S of NW corner
  • Location Description: North of Middle Thompson Lake along US Highway 2.
  • State: Montana
  • County: MT053—Lincoln
  • MLRA: 43A—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: MT651—Sanders and Parts of Lincoln and Flathead Counties, Montana
  • 7.5 Minute USGS Quad: 48115-A1—Thompson Lakes, Montana

    • PEDON

  • Describers Name: TW and CS
  • Current Taxonomic Class: Fine-silty, mixed, active, frigid Typic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Half Moon
  • PSC - 10 to 48 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Half Moon
  • Taxonomic Class - Fine-silty, mixed Glossic Eutroboralf
  • Taxon Kind - series
  • Classificaton Date - 4/28/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/28/1992 (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

    ANRA

    ARCO

    ARUV

    BERE

    CARU

    LAOC

    PICO

    PIEN

    PIPO

    PSME

    SPBE

    SYAL

    Antennaria racemosa

    Arabis cobrensis

    Arctostaphylos uva-ursi

    Berberis repens

    Calamagrostis rubescens

    Larix occidentalis

    Pinus contorta

    Picea engelmannii

    Pinus ponderosa

    Pseudotsuga menziesii

    Spiraea beauverdiana

    Symphoricarpos albus

    raceme pussytoes

    sagebrush rockcress

    kinnikinnick

    —

    pinegrass

    western larch

    lodgepole pine

    Engelmann spruce

    ponderosa pine

    Douglas-fir

    —

    common snowberry

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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

    6

    —

    —

    1030

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    180

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    O—0 to 2 centimeters (0.0 to 0.8 inches); fragments.
    E—2 to 12 centimeters (0.8 to 4.7 inches); light brownish gray (10YR 6/2), very pale brown (10YR 8/2), dry; silt loam; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 0.5 coarse roots; fragments; slight effervescence; slightly acid, pH 6.4, hellige-truog; clear wavy boundary. Lab sample # 92P03898
    E/Bt—12 to 25 centimeters (4.7 to 9.8 inches); 70 percent light brownish gray (10YR 6/2), 70 percent very pale brown (10YR 8/2), dry; silt loam; weak coarse platy parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 0.5 coarse roots; 30 percent clay films on faces of peds; fragments; slight effervescence; moderately acid, pH 6.0, hellige-truog. Lab sample # 92P03899
    E/Bt—25 to 25 centimeters (9.8 to 9.8 inches); 30 percent brown (10YR 5/3), 30 percent very pale brown (10YR 7/3), dry; silty clay loam; fragments; clear wavy boundary. Lab sample # 92P03899
    Bt—25 to 50 centimeters (9.8 to 19.7 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silty clay loam; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 fine roots and 0.5 coarse roots; 30 percent clay films on faces of peds; fragments; slight effervescence; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 92P03900
    Bk—50 to 99 centimeters (19.7 to 39.0 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silt loam; weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots; fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog; clear wavy boundary. Lab sample # 92P03901
    C—99 to 154 centimeters (39.0 to 60.6 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silt loam; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; slight effervescence; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 92P03902