IDENTIFIERS

  • Current Taxon Name (Soil Name): Letha
  • OSD
  • Series Extent
  • User Site ID: S1969ID075012
  • User Pedon ID: S1969ID075012
  • Vegetation Plot ID: S1969ID075012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0134
  • NCSS Pedon Lab Data NASIS Record ID - 43707
  • Print Date: 2/1/2025

    • 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: 43.9666672
  • Std. Longitude: -116.9436111
  • Datum: WGS84
  • Township: 7N
  • Range: 5W
  • Section: 9
  • PLSS Details: About 747 meters (2455 feet) north and 23 meters (75 feet) west of the center
  • Location Description: Payette County, Idaho. About 3 miles southwest of Fruitland.
  • State: Idaho
  • County: ID075—Payette
  • MLRA: 11—Snake River Plains
  • Non-MLRA Soil Survey Area: ID659—Payette County, Idaho

    • PEDON

  • Describers Name: L. M. Rasmussen
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Natrargids
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - Letha
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Letha
  • Classificaton Date - 9/29/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • Landform: terrace
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/29/1969 (actual site observation date)
  • Air Photo ID: DHY-4P-74
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    DISTI

    Distichlis

    saltgrass

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    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

    1

    —

    —

    656

    —

    270

    250

    —

    —

    11

    22

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 1 centimeters (0.0 to 0.4 inches); fragments.; dry when described;
    A1—1 to 14 centimeters (0.4 to 5.5 inches); very pale brown (10YR 7/3), grayish brown (10YR 5/2), moist; silt loam; weak coarse prismatic parts to strong thick platy structure; hard when dry, friable, slightly sticky, slightly plastic; fragments; strong effervescence; very strongly alkaline, pH 9.4, thymol-blue; abrupt smooth boundary. Lab sample # 69C00734; dry when described;
    B1—14 to 26 centimeters (5.5 to 10.2 inches); white (10YR 8/1), brown (10YR 5/3), moist; silty clay loam; moderate thin platy structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 very fine roots; 21.0 very fine tubular pores; fragments; strong effervescence; very strongly alkaline, pH 9.6, thymol-blue; abrupt smooth boundary. Lab sample # 69C00735; dry when described;
    B2T—26 to 36 centimeters (10.2 to 14.2 inches); light gray (10YR 7/2), very pale brown (10YR 8/3) crushed and brown (10YR 5/3), moist; silty clay loam; moderate fine angular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 21.0 very fine vesicular pores; fragments; strong effervescence; very strongly alkaline, pH 9.6, thymol-blue; clear smooth boundary. Lab sample # 69C00736; moist when described;
    B3—36 to 67 centimeters (14.2 to 26.4 inches); white (10YR 8/1), brown (10YR 5/3), moist; silt loam; weak medium and coarse subangular blocky structure; hard when dry, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine and medium roots; 21.0 very fine vesicular pores; fragments; strong effervescence; very strongly alkaline, pH 9.6, thymol-blue; clear smooth boundary. Lab sample # 69C00737; moist when described;
    C1—67 to 92 centimeters (26.4 to 36.2 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; silt loam; weak coarse subangular blocky structure; hard when dry, very firm, slightly sticky, slightly plastic; 0.5 very fine roots; 21.0 very fine and 0.5 fine tubular pores; fragments; strong effervescence; very strongly alkaline, pH 9.6, thymol-blue; abrupt smooth boundary. Lab sample # 69C00738; moist when described;
    C2—92 to 126 centimeters (36.2 to 49.6 inches); white (10YR 8/1), pale brown (10YR 6/3), moist; silt loam; massive; hard when dry, friable, slightly sticky, slightly plastic; 0.5 fine roots; 0.5 very fine and fine tubular pores; fragments; strong effervescence; strongly alkaline, pH 9.0, thymol-blue; abrupt smooth boundary. Lab sample # 69C00739; moist when described;
    C3SIM—126 to 133 centimeters (49.6 to 52.4 inches); extremely hard, extremely firm*; 0.5 very fine roots; 0.5 very fine and fine tubular pores; fragments; strong effervescence. Lab sample # 69C00740; moist when described;