IDENTIFIERS

  • Current Taxon Name (Soil Name): LETHA
  • OSD
  • Series Extent
  • User Site ID: S1957ID045033
  • User Pedon ID: S1957ID045033
  • Vegetation Plot ID: S1957ID045033
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1081
  • NCSS Pedon Lab Data NASIS Record ID - 34140
  • 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: 43.8737602
  • Std. Longitude: -116.6120911
  • Datum: WGS84
  • Township: 6N
  • Range: 2W
  • Section: 8
  • PLSS Details: 500 feet north and 60 feet east of the southwest corner of the NW1/4
  • Location Description: Gem County, Idaho. Squaw Creek SCD.
  • State: Idaho
  • County: ID045—Gem
  • MLRA: 11—Snake River Plains
  • Non-MLRA Soil Survey Area: ID660—Gem County Area, Idaho

    • PEDON

  • Describers Name: Leighty
  • Current Taxonomic Class: Coarse-loamy, mixed, mesic Aeric Halaquepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 33
  • Correlated Information:
  • Soil Name - LETHA
  • Classificaton Date - 7/16/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Letha
  • Classificaton Date - 5/2/1957
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/2/1957 (actual site observation date)
  • Surface Cover Properties:
  • 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

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    701

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    A1—0 to 1 centimeters (0.0 to 0.4 inches); dark grayish brown (2.5Y 4/2), light yellowish brown (2.5Y 6/3), dry; fine sandy loam; weak thin platy parts to weak very fine granular structure; very friable, slightly sticky, nonplastic; fragments; slight effervescence; very strongly alkaline, pH 9.4, bromthymol blue; abrupt wavy boundary. Lab sample # 40A08153
    Av—1 to 15 centimeters (0.4 to 5.9 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), dry; fine sandy loam; moderate very thin platy parts to weak very fine granular structure; friable, slightly sticky, nonplastic; 21.0 roots; fragments; slight effervescence; strongly alkaline, pH 8.8, bromthymol blue; clear smooth boundary. Lab sample # 40A08154
    B1CA/C1C—15 to 28 centimeters (5.9 to 11.0 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), dry; fine sandy loam; weak medium and coarse subangular blocky structure; hard when dry, friable, slightly sticky, nonplastic; 21.0 roots; clay films in root channels and/or pores; fragments; strong effervescence; strongly alkaline, pH 8.8, bromthymol blue; clear smooth boundary. Lab sample # 40A08155. patchy - phpvsfiid 189163; patchy - phpvsfiid 189163
    B2CA/C2C—28 to 56 centimeters (11.0 to 22.0 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), dry; fine sandy loam; moderate medium subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; 21.0 roots; 0.5 fine pores; dark grayish brown (10YR 4/2), dry, clay films in root channels and/or pores; fragments; strong effervescence; very strongly alkaline, pH 9.2, bromthymol blue; gradual smooth boundary. Lab sample # 40A08156. continuous - phpvsfiid 189164; continuous - phpvsfiid 189164
    B3CA/C3C—57 to 69 centimeters (22.4 to 27.2 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), dry; fine sandy loam; weak medium subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; 21.0 roots; 0.5 fine pores; dark grayish brown (10YR 4/2), dry, clay films in root channels and/or pores; fragments; strong effervescence; very strongly alkaline, pH 9.2, bromthymol blue; clear smooth boundary. Lab sample # 40A08157. continuous - phpvsfiid 189165; continuous - phpvsfiid 189165
    C1—69 to 89 centimeters (27.2 to 35.0 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), dry; fine sandy loam; massive; very hard, very friable, slightly sticky, nonplastic; 21.0 roots; fragments; slight effervescence; very strongly alkaline, pH 9.4, bromthymol blue; abrupt smooth boundary. Lab sample # 40A08158
    C2G—89 to 109 centimeters (35.0 to 42.9 inches); dark grayish brown (2.5Y 4/2) and grayish brown (10YR 5/2), pale yellow (2.5Y 7/3), dry; fine sandy loam; 1 percent light olive brown (2.5Y 5/3) medium faint and 1 percent brown (10YR 4/3) medium faint mottles; weak coarse subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 roots; fragments; slight effervescence; moderately alkaline, pH 8.4, bromthymol blue; abrupt smooth boundary. Lab sample # 40A08159
    2C3—109 to 149 centimeters (42.9 to 58.7 inches); very gravelly coarse sand; single grain; loose, nonsticky, nonplastic; fragments; noneffervescent. Lab sample # 40A08160