IDENTIFIERS

  • Current Taxon Name (Soil Name): Lonna
  • OSD
  • Series Extent
  • User Site ID: S1974MT055002
  • User Pedon ID: S1974MT055002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3734
  • NCSS Pedon Lab Data NASIS Record ID - 39399
  • Print Date: 5/20/2024

    • 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: 47.2163315
  • Std. Longitude: -106.1504135
  • Datum: WGS84
  • Township: 17N
  • Range: 44E
  • Section: 19
  • PLSS Details: 100 yards west and 800 yards north of SE corner
  • State: Montana
  • County: MT055—McCone
  • Non-MLRA Soil Survey Area: MT055—McCone County, Montana
  • 7.5 Minute USGS Quad: 47106-B2—Hedstrom Lake NW, Montana

    • PEDON

  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Lonna
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/1/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1974 (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

    —

    —

    792

    —

    305

    —

    —

    5.6

    18.9

    -8.3

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; silt loam; weak medium angular blocky parts to weak fine and medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 fine roots; 21.0 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.0, thymol-blue; abrupt smooth boundary. Lab sample # 40A28772
    B2—8 to 17 centimeters (3.1 to 6.7 inches); brown (10YR 4/3) exterior and brown (10YR 5/3) crushed, brown (10YR 5/3) exterior and pale brown (10YR 6/3) crushed, dry; silt loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 21.0 fine roots; 21.0 fine tubular pores; fragments; slight effervescence; moderately alkaline, pH 8.2, thymol-blue; clear smooth boundary. Lab sample # 40A28773
    B3CA—17 to 30 centimeters (6.7 to 11.8 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silt loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 fine roots; 21.0 fine tubular pores; 3 percent threadlike noncoherent cemented lime masses; fragments; violent effervescence; moderately alkaline, pH 8.4, thymol-blue; clear smooth boundary. Lab sample # 40A28774
    C1CA—30 to 40 centimeters (11.8 to 15.7 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/4), dry; silt loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 fine roots; 21.0 fine tubular pores; 3 percent threadlike noncoherent cemented lime masses; fragments; violent effervescence; moderately alkaline, pH 8.4, thymol-blue; clear smooth boundary. Lab sample # 40A28775
    C2CA—40 to 67 centimeters (15.7 to 26.4 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/4), dry; silt loam; weak coarse subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 3.0 fine roots; 21.0 fine tubular pores; 3 percent threadlike noncoherent cemented lime masses; fragments; violent effervescence; strongly alkaline, pH 8.8, thymol-blue; clear smooth boundary. Lab sample # 40A28776
    C3—67 to 125 centimeters (26.4 to 49.2 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silt loam; massive; slightly hard, friable, moderately sticky, moderately plastic; 3.0 fine roots; 21.0 fine tubular pores; fragments; slight effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual smooth boundary. Lab sample # 40A28777
    C4—125 to 183 centimeters (49.2 to 72.0 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silt loam; massive; slightly hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 21.0 fine tubular pores; fragments; slight effervescence; moderately alkaline, pH 8.4, thymol-blue. Lab sample # 40A28778