IDENTIFIERS

  • Current Taxon Name (Soil Name): PURDAM
  • OSD
  • Series Extent
  • User Site ID: S1957ID045035
  • User Pedon ID: S1957ID045035
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1070
  • NCSS Pedon Lab Data NASIS Record ID - 34129
  • Print Date: 4/28/2025

    • 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: 43.9054260
  • Std. Longitude: -116.6129227
  • Datum: WGS84
  • Township: 7N
  • Range: 2W
  • Section: 31
  • PLSS Details: 275 feet north and 140 feet west of the southeast corner of the NE1/4, NE1/4
  • Location Description: About 2 miles northeast of Letha, Gem County, Idaho, Gem SCD. 120 feet west of the fence along the west side of the road and 10 feet north of the field fence. Sampled from a pit in a cultivated pasture.
  • State: Idaho
  • County: ID045—Gem
  • MLRA: 11—Snake River Plains
  • Non-MLRA Soil Survey Area: ID660—Gem County Area, Idaho

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, mesic Haploxerollic Durargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 35
  • Correlated Information:
  • Soil Name - PURDAM
  • Classificaton Date - 2/1/2010
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Purdam
  • Classificaton Date - 7/22/1957
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: ridge
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/22/1957 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    1

    —

    —

    747

    —

    270

    279

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    AP—0 to 13 centimeters (0.0 to 5.1 inches); light brownish gray (10YR 6/2), very dark grayish brown (10YR 3/2), moist; silt loam; weak thin platy parts to weak very fine granular structure; hard when dry, friable, slightly sticky, slightly plastic; 21.0 roots; 0.5 fine pores; fragments; neutral, pH 7.2, bromthymol blue; abrupt smooth boundary. Lab sample # 40A08048
    A2—13 to 18 centimeters (5.1 to 7.1 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; silt loam; weak medium platy structure; hard when dry, friable, slightly sticky, slightly plastic; 21.0 roots; 3.0 very fine pores; fragments; slightly alkaline, pH 7.4, bromthymol blue; abrupt smooth boundary. Lab sample # 40A08049
    B1—18 to 23 centimeters (7.1 to 9.1 inches); light brownish gray (10YR 6/2) and pale brown (10YR 6/3), dark grayish brown (10YR 4/2) and dark brown (10YR 3/3), moist; silt loam; weak medium prismatic parts to weak medium subangular blocky structure; very hard, firm, moderately sticky, slightly plastic; 21.0 roots; 3.0 very fine pores; 3 percent fine noncoherent cemented dark brown (10YR 3/3) iron-manganese concretions; fragments; strong effervescence; slightly alkaline, pH 7.4, bromthymol blue; clear smooth boundary. Lab sample # 40A08050
    B2—23 to 41 centimeters (9.1 to 16.1 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3), moist; silt loam; weak medium prismatic parts to moderate medium and coarse subangular blocky, and weak fine subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 very fine and fine pores; dark grayish brown (10YR 4/2), dry, clay films on faces of peds and dark brown (10YR 3/3), moist, clay films on faces of peds; 1 percent fine noncoherent cemented iron-manganese concretions; fragments; slight effervescence; slightly alkaline, pH 7.8, cresol red; gradual smooth boundary. Lab sample # 40A08051. continuous - phpvsfiid 189176; continuous - phpvsfiid 189177; continuous - phpvsfiid 189176; continuous - phpvsfiid 189177
    B3ca—41 to 71 centimeters (16.1 to 28.0 inches); pale brown (10YR 6/3) interior, dark grayish brown (10YR 4/2), moist; silt loam; weak and moderate fine and medium angular blocky, and subangular blocky structure; firm, slightly sticky, slightly plastic; 0.5 fine roots; brown (10YR 5/3), dry, clay films on all faces of peds and dark brown (10YR 3/3), moist, clay films on all faces of peds; 3 percent carbonate concretions; fragments; noneffervescent; moderately alkaline, pH 8.2, cresol red; clear wavy boundary. Lab sample # 40A08052. continuous - phpvsfiid 189178; continuous - phpvsfiid 189179; continuous - phpvsfiid 189178; continuous - phpvsfiid 189179
    B32ca/C1—71 to 89 centimeters (28.0 to 35.0 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; weak coarse subangular blocky structure; firm, slightly sticky, slightly plastic; 0.5 fine roots; 21 percent carbonate concretions; fragments; noneffervescent; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 40A08053
    Dca1—89 to 107 centimeters (35.0 to 42.1 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; silt loam; massive; firm, slightly sticky, slightly plastic; 0.5 fine roots; fragments; strong effervescence; moderately alkaline, pH 8.2, cresol red; clear smooth boundary. Lab sample # 40A08054
    Dca2—107 to 124 centimeters (42.1 to 48.8 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; weak coarse subangular blocky structure; firm, slightly sticky, slightly plastic; 0.1 fine roots; 3.0 fine pores; 3 percent carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.0, cresol red; abrupt wavy boundary. Lab sample # 40A08055
    Dca3—124 to 142 centimeters (48.8 to 55.9 inches); very pale brown (10YR 7/3), dark brown (10YR 3/3), moist; silt loam; firm, slightly sticky, slightly plastic; 0.1 fine roots; 3.0 very fine and 0.5 fine pores; carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.0, cresol red; abrupt wavy boundary. Lab sample # 40A08056
    Mca—142 to 168 centimeters (55.9 to 66.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; weak medium and coarse parts to fine angular blocky structure; extremely firm; 21 percent carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.1, cresol red; abrupt wavy boundary. Lab sample # 40A08057
    B3—168 to 170 centimeters (66.1 to 66.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; massive; firm, slightly sticky, slightly plastic; dark brown (10YR 3/3), moist, clay films; 1 percent carbonate concretions; fragments; noneffervescent. Lab sample # 40A08058. patchy - phpvsfiid 189180; patchy - phpvsfiid 189180