IDENTIFIERS

  • Current Taxon Name (Soil Name): Dranburn
  • OSD
  • Series Extent
  • User Site ID: 09-JTL-002
  • User Pedon ID: S09ID029003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - S09ID029003
  • Print Date: 12/7/2025
  • LOCATION

  • Township: 8S
  • Range: 37E
  • Section: 12
  • PLSS Details: Southeast corner of southwest corner of
  • State: Idaho
  • County: ID029—Caribou
  • Non-MLRA Soil Survey Area: ID713—Caribou National Forest, Idaho and Wyoming
  • PEDON

  • Describers Name: John Lott
  • Current Taxonomic Class: Fine-loamy, mixed, superactive Pachic Argicryolls
  • Current Taxon Kind: family
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Dranburn
  • Taxonomic Class - Fine-loamy, mixed, superactive Pachic Argicryolls
  • PSC - 45 to 95 cm.
  • Classificaton Date - 7/22/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium
  • Landscape: mountain range
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

  • Other Vegetative Class: SC320 - Douglas-fir/pinegrass—Forest Habitat Types of E. Idaho - W. Wyoming (GTR-INT-144)
  • SITE OBSERVATION

  • Observation Date: 7/22/2008 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—45

    15—152

    —-

    —-

    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    7/22/2008

    50

    9

    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

    1895.9

    35

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.; moist when described; observed in trench
    Oe—3 to 5 centimeters (1.2 to 2.0 inches); moderately decomposed plant material; fragments.; moist when described; observed in trench
    A—5 to 16 centimeters (2.0 to 6.3 inches); very dark brown (10YR 2/2) rubbed, dark grayish brown (10YR 4/2) rubbed, dry; loam; 18 percent clay; strong medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots and 1.0 coarse roots; 2.0 very fine pores; 5 percent by volume nonflat 2-50-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 7.1, bromthymol blue; clear wavy boundary. Lab sample # 001; moist when described; observed in trench
    ABt1—16 to 45 centimeters (6.3 to 17.7 inches); dark brown (10YR 3/3) rubbed, yellowish brown (10YR 5/4) rubbed, dry; clay loam; 28 percent clay; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; 1.0 medium roots and 1.0 fine roots and 1.0 coarse roots; 2.0 very fine pores; 1 percent prominent clay films on surfaces along pores and 1 percent prominent clay films on all faces of peds; 5 percent by volume nonflat 2-50-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; strongly alkaline, pH 8.8, bromthymol blue; abrupt wavy boundary. Lab sample # 002; moist when described; observed in trench. patchy - phpvsfiid 474934; patchy - phpvsfiid 474935; patchy - phpvsfiid 474934; patchy - phpvsfiid 474935
    Bt2—45 to 87 centimeters (17.7 to 34.3 inches); dark yellowish brown (10YR 4/6) rubbed clay loam; 34 percent clay; strong medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 1.0 medium roots and 1.0 fine roots and 1.0 coarse roots; 1.0 very fine pores; 2 percent prominent clay films on surfaces along pores and 2 percent prominent clay films on all faces of peds and 2 percent prominent clay films on bottom of rock fragments; 5 percent by volume nonflat 2-50-75 millimeter unspecified fragments and 5 percent by volume nonflat 75-150-250 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 6.8, bromthymol blue; gradual wavy boundary. Lab sample # 003; moist when described; observed in trench. continuous - phpvsfiid 474929; continuous - phpvsfiid 474930; continuous - phpvsfiid 474931; continuous - phpvsfiid 474929; continuous - phpvsfiid 474930; continuous - phpvsfiid 474931
    Bt3—87 to 152 centimeters (34.3 to 59.8 inches); yellowish brown (10YR 5/6) rubbed gravelly clay loam; 38 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 1.0 medium roots and 1.0 fine roots; 1.0 very fine pores; 3 percent prominent clay films on bottom of rock fragments and 3 percent prominent clay films on all faces of peds and 3 percent prominent clay films on surfaces along pores; 5 percent by volume nonflat 75-150-250 millimeter unspecified fragments and 15 percent by volume nonflat 2-50-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 6.7, bromthymol blue. Lab sample # 004; moist when described; observed in trench. continuous - phpvsfiid 474926; continuous - phpvsfiid 474927; continuous - phpvsfiid 474928; continuous - phpvsfiid 474926; continuous - phpvsfiid 474927; continuous - phpvsfiid 474928