IDENTIFIERS

  • Current Taxon Name (Soil Name): Lakoma
  • OSD
  • Series Extent
  • User Site ID: S1978SD053010
  • User Pedon ID: 78SD053010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 78P0363
  • NCSS Pedon Lab Data NASIS Record ID - 45917
  • Print Date: 5/19/2024

    • 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: 43.3944435
  • Std. Longitude: -99.2077789
  • Datum: WGS84
  • Township: 99N
  • Range: 71W
  • Section: 14
  • PLSS Details: 856 meters E and 703 meters S of the NW corner
  • Location Description: Gregory County, SD. 91 meters NW of drain.
  • State: South Dakota
  • County: SD053—Gregory

    • PEDON

  • Describers Name: L. Zavesky
  • Current Taxonomic Class: Fine, mixed, mesic Typic Ustochrepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Lakoma
  • Classificaton Date - 7/11/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Lakoma
  • Taxonomic Class - Fine, montmorillonitic, mesic Typic Ustochrept
  • Taxon Kind - series
  • Classificaton Date - 6/1/1978
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1978 (actual site observation date)
  • Surface Cover Properties:
  • 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

    17

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    —

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    180

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    1A1—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2) interior and dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; silty clay; moderate fine granular structure; hard, friable; 2.5 fine roots; fragments; slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 78P01975. common fine roots
    1B2—5 to 25 centimeters (2.0 to 9.8 inches); very dark brown (10YR 2/2) interior and dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; clay; strong fine subangular blocky structure; slightly hard, friable; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 78P01976. common fine roots
    1B3—25 to 43 centimeters (9.8 to 16.9 inches); grayish brown (2.5Y 5/2) interior and yellowish brown (10YR 5/4) interior, light gray (2.5Y 7/2) interior and light yellowish brown (10YR 6/4) interior, dry; clay; weak fine and medium subangular blocky structure; slightly hard, firm; 2.5 fine and medium roots; fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 78P01977. Many weathered shale fragments 5 to 15 mm in size.; common fine and medium roots
    1C1—43 to 74 centimeters (16.9 to 29.1 inches); grayish brown (2.5Y 5/2) interior and yellowish brown (10YR 5/4) interior and dark grayish brown (10YR 4/2) interior, light brownish gray (2.5Y 6/2) interior and light brownish gray (10YR 6/2) interior, dry; clay; moderate medium subangular blocky structure; slightly hard, firm; 0.5 medium roots; 70 percent by volume 2-39-75 millimeter shale, unspecified fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 78P01978. Bedding planes evident.; few medium roots
    1Cr1—74 to 109 centimeters (29.1 to 42.9 inches); olive brown (2.5Y 4/4) interior and dark grayish brown (2.5Y 4/2) interior and dark yellowish brown (10YR 4/4) interior, light yellowish brown (2.5Y 6/4) interior and grayish brown (2.5Y 5/2) interior, dry; weathered bedrock; 0.5 fine and medium roots; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 78P01979. Many seams of gypsum 1 to 3 mm.; few fine and medium roots
    1Cr2—109 to 140 centimeters (42.9 to 55.1 inches); dark yellowish brown (10YR 4/4) interior and brown (10YR 4/3) interior and grayish brown (2.5Y 5/2) interior, light gray (2.5Y 7/2) interior and brownish yellow (10YR 6/6) interior, dry; weathered bedrock; fragments; strong effervescence, by hcl, 1n. Lab sample # 78P01980. Many seams of gypsum 2 to 10 mm.