IDENTIFIERS

  • Current Taxon Name (Soil Name): Ronan
  • OSD
  • Series Extent
  • User Site ID: S1985MT047475
  • User Pedon ID: 85MT047475
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0419
  • NCSS Pedon Lab Data NASIS Record ID - 59714
  • Print Date: 2/16/2025

    • 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: 47.3963890
  • Std. Longitude: -114.2236099
  • Datum: WGS84
  • Township: 19N
  • Range: 21W
  • Section: 23
  • PLSS Details: 1110 feet S AND 110 feet W OF THE NE CORNER
  • Location Description: LAKE County, MT.
  • State: Montana
  • County: MT047—Lake

    • PEDON

  • Current Taxonomic Class: Very-fine, illitic, frigid Typic Natrixeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 475
  • Correlated Information:
  • Soil Name - Ronan
  • PSC - 10 to 41 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Ronan
  • Taxonomic Class - Very-fine, illitic, frigid Xerollic Natrargid
  • Taxon Kind - series
  • Classificaton Date - 4/1/1985
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1985 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    824

    —

    30

    —

    —

    7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) interior, light brownish gray (10YR 6/2) interior, dry; silty clay loam; moderate fine platy structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 0.5 very fine tubular pores; fragments; neutral, pH 7.0, hellige-truog; abrupt wavy boundary. Lab sample # 87P02194. many very fine roots
    1Bt1—10 to 18 centimeters (3.9 to 7.1 inches); brown (7.5YR 4/2) interior, pinkish gray (7.5YR 6/2) interior, dry; clay; strong coarse columnar, and strong medium and coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 very fine roots; 5.5 very fine tubular pores; distinct clay films; fragments; strongly alkaline, pH 8.8, hellige-truog; abrupt wavy boundary. Lab sample # 87P02195. THIN CAP OF UNSTAINED SILT AND VERY FINE SAND ON COLUMNS.; few very fine roots
    1Bt2—18 to 41 centimeters (7.1 to 16.1 inches); brown (7.5YR 4/2) interior, pinkish gray (7.5YR 6/2) interior, dry; clay; strong medium and coarse angular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots; 5.5 very fine tubular pores; clay films; fragments; strongly alkaline, pH 8.8, hellige-truog; clear irregular boundary. Lab sample # 87P02196. few very fine roots
    1Bk1—41 to 61 centimeters (16.1 to 24.0 inches); brown (7.5YR 5/2) interior, pinkish white (7.5YR 8/2) interior, dry; clay; massive; very hard, firm, very sticky, very plastic; 0.5 very fine tubular pores; fragments; strongly alkaline, pH 8.8, hellige-truog; gradual irregular boundary. Lab sample # 87P02197. DISSEMINATED LIME; FEW TO COMMON FINE THREADS AND MASSES OF SOFT LIME BETWEEN VARVES. 0.6 TO 1.3 CM THICK VARVES.
    1Bk2—61 to 152 centimeters (24.0 to 59.8 inches); brown (7.5YR 5/2) interior, pinkish white (7.5YR 8/2) interior, dry; clay; massive; very hard, firm, very sticky, very plastic; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog. Lab sample # 87P02198. 0.6 TO 1.3 CM THICK VARVES.