IDENTIFIERS

  • Current Taxon Name (Soil Name): Headwaters
  • OSD
  • Series Extent
  • User Site ID: S2007MT031001
  • User Pedon ID: S07MT031001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0151
  • NCSS Pedon Lab Data NASIS Record ID - 19612
  • 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: 45.8026657
  • Std. Longitude: -111.5863037
  • Datum: WGS84
  • Map Unit: 20C—Headwaters loam, 2 to 8 percent slopes
  • State: Montana
  • County: MT031—Gallatin
  • MLRA: 44B—Central Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT622—Gallatin County Area, Montana
  • 7.5 Minute USGS Quad: 45111-G5—Three Forks SE, Montana
  • PEDON

  • Describers Name: Tony Rolfes
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Aridic Calciustolls
  • Current Taxon Kind: series
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Headwaters
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Aridic Calciustolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/2/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/2/2007 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    2

    808

    Table Mountain

    SCAN

    Ap—0 to 16 centimeters (0.0 to 6.3 inches);, dark brown (10YR 3/3), moist; loam; 20 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, moderately sticky, slightly plastic; 3.0 very fine roots throughout; 8.0 very fine irregular and 8.0 fine irregular pores; 35 percent coarse spherical carbonate masses throughout; 2 percent by volume nonflat indurated 2-40-75 millimeter mixed fragments; strong effervescence; moderately alkaline, pH 7.9, pH meter; clear wavy boundary. Lab sample # 08N01020; moist when described; observed in pit, small
    Bk1—16 to 52 centimeters (6.3 to 20.5 inches);, brown (10YR 5/3), moist; silt loam; 27 percent clay; weak medium subangular blocky, and moderate medium subangular blocky structure; soft, friable, moderately sticky, moderately plastic; 3.0 very fine roots throughout; 8.0 very fine tubular and 8.0 very fine irregular and 8.0 fine tubular and 8.0 fine irregular pores; 10 percent medium spherical carbonate masses throughout; fragments; strong effervescence; moderately alkaline, pH 8.0, pH meter; gradual wavy boundary. Lab sample # 08N01021; moist when described; observed in pit, small
    Bk2—52 to 86 centimeters (20.5 to 33.9 inches);, light yellowish brown (2.5Y 6/4), moist; silt loam; 26 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.8 very fine roots throughout; 8.0 very fine irregular and 8.0 very fine tubular and 8.0 fine tubular and 8.0 fine irregular pores; 10 percent medium spherical carbonate masses throughout and 25 percent medium cylindrical gypsum masses throughout and 25 percent medium threadlike gypsum masses throughout; fragments; violent effervescence; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 08N01022; moist when described; observed in pit, small
    Bky—86 to 100 centimeters (33.9 to 39.4 inches);, light yellowish brown (2.5Y 6/4), moist; silt loam; 20 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine tubular and 3.0 fine irregular pores; 10 percent medium cylindrical gypsum masses throughout and 10 percent medium threadlike gypsum masses throughout; 1 percent by volume nonflat indurated 2-40-75 millimeter mixed fragments; slight effervescence; moderately alkaline, pH 7.9, pH meter; gradual wavy boundary. Lab sample # 08N01023; moist when described; observed in pit, small
    By—100 to 150 centimeters (39.4 to 59.1 inches);, light yellowish brown (2.5Y 6/3), moist; fine sandy loam; 16 percent clay; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.8 very fine irregular and 0.8 very fine tubular pores; 1 percent by volume nonflat indurated 2-40-75 millimeter mixed fragments; noneffervescent; moderately alkaline, pH 7.9, pH meter. Lab sample # 08N01024; slightly moist when described; observed in pit, small