IDENTIFIERS

  • Current Taxon Name (Soil Name): Monad
  • OSD
  • Series Extent
  • User Site ID: S1964MT013005
  • User Pedon ID: S1964MT013005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3619
  • NCSS Pedon Lab Data NASIS Record ID - 39284
  • Print Date: 3/2/2025

    • LOCATION

  • State: Montana
  • County: MT013—Cascade
  • MLRA: 44—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT613—Cascade County Area, Montana

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive Argic Cryoborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Monad
  • PSC - 51 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Monad
  • Classificaton Date - 7/1/1964
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1964 (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

    4

    —

    —

    1463

    —

    135

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    —

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    A11—0 to 8 centimeters (0.0 to 3.1 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; loam; strong very fine granular structure; slightly hard, very friable, slightly sticky, nonplastic; 21.0 very fine and fine roots; 21.0 very fine and fine pores; 30 percent between sand grains; fragments; clear boundary. Lab sample # 40A27820
    A12—8 to 13 centimeters (3.1 to 5.1 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; loam; weak medium prismatic parts to moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots; 21.0 very fine and fine pores; 30 percent between sand grains; fragments; clear boundary. Lab sample # 40A27821
    A13—13 to 23 centimeters (5.1 to 9.1 inches); very dark brown (10YR 2/2) crushed and very dark brown (10YR 2/2) exterior, dark grayish brown (10YR 4/2) crushed and very dark grayish brown (10YR 3/2) exterior, dry; loam; weak medium prismatic parts to moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots; 21.0 very fine and fine pores; 30 percent between sand grains; fragments; clear wavy boundary. Lab sample # 40A27822
    A&B—23 to 36 centimeters (9.1 to 14.2 inches); light gray (10YR 7/2) exterior and dark grayish brown (10YR 4/2) crushed and very dark grayish brown (10YR 3/2) exterior, light brownish gray (10YR 6/2) crushed, dry; clay loam; strong very fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 3.0 very fine and fine roots; 21.0 very fine and fine tubular pores; clay films in root channels and/or pores and 10 percent prominent clay films and 75 percent faint between sand grains; fragments; gradual wavy boundary. Lab sample # 40A27823
    B&A—36 to 51 centimeters (14.2 to 20.1 inches); brown (10YR 4/3) crushed and dark grayish brown (10YR 4/2) exterior, pale brown (10YR 6/3) crushed and light brownish gray (10YR 6/2) exterior, dry; clay loam; strong very fine and fine angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine and fine roots; 21.0 very fine and fine tubular pores; prominent clay films on faces of peds and 75 percent faint between sand grains; fragments; gradual wavy boundary. Lab sample # 40A27824
    B21T—51 to 64 centimeters (20.1 to 25.2 inches); dark yellowish brown (10YR 4/4) crushed and brown (10YR 4/3) exterior, brown (10YR 5/3) crushed and light brownish gray (10YR 6/2) exterior, dry; clay; strong fine angular blocky structure; extremely hard, firm, very sticky, moderately plastic; 3.0 very fine and fine roots; 3.0 fine and medium tubular pores; faint between sand grains and 75 percent prominent clay films on faces of peds and 75 percent prominent clay films; fragments; gradual wavy boundary. Lab sample # 40A27825
    61 to 91 centimeters (24.0 to 35.8 inches); fragments. Lab sample # 40A27831
    2B22T—64 to 109 centimeters (25.2 to 42.9 inches); brown (7.5YR 5/4) crushed and brown (7.5YR 4/4) exterior, pale brown (10YR 6/3) crushed and light yellowish brown (10YR 6/4) exterior, dry; stony clay; platy parts to moderate fine and medium angular blocky structure; extremely hard, firm, very sticky, moderately plastic; 0.5 very fine and fine roots; 21.0 fine and medium tubular and 0.5 coarse tubular pores; prominent clay films and 75 percent prominent clay films and 75 percent faint between sand grains; fragments; gradual wavy boundary. Lab sample # 40A27826
    2B23TB—109 to 145 centimeters (42.9 to 57.1 inches); brown (7.5YR 4/4) crushed and brown (7.5YR 5/4) exterior, pink (7.5YR 7/4) crushed and pink (7.5YR 8/4) exterior, dry; stony sandy clay; moderate medium angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 21.0 very fine and fine tubular pores; 30 percent faint between sand grains and 75 percent prominent clay films; fragments; gradual wavy boundary. Lab sample # 40A27827
    2C1B—145 to 180 centimeters (57.1 to 70.9 inches); olive (5Y 5/6) and pale brown (10YR 6/3) exterior, reddish yellow (5YR 6/6) and very dark brown (10YR 2/2) exterior, dry; stony clay; massive; extremely hard, firm, moderately sticky, moderately plastic; 21.0 very fine and fine tubular pores; fragments; diffuse boundary. Lab sample # 40A27828
    152 to 183 centimeters (59.8 to 72.0 inches); fragments. Lab sample # 40A27832
    2C2B—180 to 206 centimeters (70.9 to 81.1 inches); pale brown (10YR 6/3), very pale brown (10YR 8/3), dry; stony clay; massive; extremely hard, very firm, very sticky, very plastic; fragments; diffuse boundary. Lab sample # 40A27829
    3C3B—206 to 254 centimeters (81.1 to 100.0 inches); yellowish brown (10YR 5/4) and light yellowish brown (10YR 6/4), very pale brown (10YR 8/3) and light yellowish brown (10YR 6/4), dry; stony clay; massive; extremely hard, very firm, moderately sticky, very plastic; fragments. Lab sample # 40A27830