IDENTIFIERS

  • Current Taxon Name (Soil Name): Gilluly Family
  • OSD
  • Series Extent
  • User Site ID: S10MT059002
  • User Pedon ID: S2010MT059002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 11N0167
  • NCSS Pedon Lab Data NASIS Record ID - 46310
  • Print Date: 4/28/2025
  • 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: 46.7797183
  • Std. Longitude: -110.6215749
  • Datum: WGS84
  • State: Montana
  • County: MT059—Meagher
  • MLRA: 43B—Central Rocky Mountains
  • Non-MLRA Soil Survey Area: MT632—Lewis and Clark National Forest Area, Montana
  • PEDON

  • Describers Name: J Brooker & M Hansen
  • Current Taxonomic Class: Fine-loamy Typic Argicryolls
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Gilluly Family
  • Taxonomic Class - Fine-loamy Typic Argicryolls
  • Classificaton Date - 9/29/2010
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from limestone over residuum weathered from shale
  • Landscape: mountains
  • Landform: ridge
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/29/2010 (actual site observation date)
  • Plant Association Name: Loamy
  • 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

    5

    247

    340

    685

    781

    Spur Park

    SNOTEL

    A—0 to 16 centimeters (0.0 to 6.3 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; silt loam; 24 percent clay; moderate fine subangular blocky structure; 5.0 very fine roots and 1.0 medium roots and 3.0 fine roots; 5.0 fine tubular and 5.0 fine dendritic tubular pores; 2 percent by volume nonflat 2-?-75 millimeter limestone, unspecified fragments; noneffervescent; slightly acid, pH 6.2, bromthymol blue; clear smooth boundary. Lab sample # 11N00775
    Bt—16 to 30 centimeters (6.3 to 11.8 inches); dark yellowish brown (10YR 3/4), brown (10YR 4/3), dry; silty clay loam; 30 percent clay; moderate medium subangular blocky structure; 2.0 very fine roots and 1.0 medium roots and 1.0 fine roots; 10.0 very fine tubular and 10.0 very fine dendritic tubular pores; 5 percent by volume nonflat 2-?-75 millimeter limestone, unspecified fragments; noneffervescent; neutral, pH 6.8, bromthymol blue; clear wavy boundary. Lab sample # 11N00776
    2Btk—30 to 67 centimeters (11.8 to 26.4 inches); brown (7.5YR 4/4), brown (7.5YR 4/3), dry; very cobbly silty clay loam; 28 percent clay; weak medium subangular blocky structure; 1.0 very fine roots and 1.0 fine roots; 3.0 very fine tubular and 3.0 very fine dendritic tubular pores; 10 percent medium carbonate concretions on bottom of rock fragments; 15 percent by volume nonflat 2-?-75 millimeter limestone, unspecified fragments and 25 percent by volume nonflat 75-?-250 millimeter limestone, unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, chlorophenol red; clear wavy boundary. Lab sample # 11N00777
    3Bk—67 to 105 centimeters (26.4 to 41.3 inches); dark olive brown (2.5Y 3/3), light olive brown (2.5Y 5/4), dry; fine sandy loam; 10 percent clay; weak fine subangular blocky structure; 0.5 very fine roots; 5.0 very fine tubular and 5.0 very fine dendritic tubular pores; 10 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; 5 percent by volume nonflat 2-?-75 millimeter limestone, unspecified fragments; noneffervescent; slightly alkaline, pH 7.6, chlorophenol red; gradual wavy boundary. Lab sample # 11N00778
    3Cr—105 centimeters (41.3 inches); fragments. Lab sample # 11N00779