IDENTIFIERS

  • Current Taxon Name (Soil Name): Terrad
  • OSD
  • Series Extent
  • User Site ID: S1958MT045002
  • User Pedon ID: S1958MT045002
  • Vegetation Plot ID: S1958MT045002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3548
  • NCSS Pedon Lab Data NASIS Record ID - 39213
  • Print Date: 11/23/2024

    • 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: 47.2424126
  • Std. Longitude: -110.6425095
  • Datum: WGS84
  • Township: 17N
  • Range: 8E
  • Section: 12
  • PLSS Details: 700 feet east and 200 feet north of east quarter corner
  • State: Montana
  • County: MT045—Judith Basin
  • MLRA: 46—Northern and Central Rocky Mountain Foothills
  • Non-MLRA Soil Survey Area: MT602—Judith Basin Area, Montana

    • PEDON

  • Describers Name: Dave R. Cawlfield
  • Current Taxonomic Class: Fine, mixed, frigid Typic Argiborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Terrad
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Terrad
  • Classificaton Date - 6/23/1958
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/23/1958 (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

    ARFR4

    FEID

    KOELE

    PASM

    ZIGAD

    Artemisia frigida

    Festuca idahoensis

    Koeleria

    Pascopyrum smithii

    Zigadenus

    prairie sagewort

    Idaho fescue

    Junegrass

    western wheatgrass

    deathcamas

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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

    4

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    1295

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    0

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    A1—0 to 9 centimeters (0.0 to 3.5 inches); dark reddish brown (5YR 3/2), dark gray (5YR 4/1), dry; clay loam; moderate fine granular structure; soft, friable, moderately sticky, moderately plastic; 21.0 roots; fragments; clear smooth boundary. Lab sample # 40A27371
    B21—9 to 28 centimeters (3.5 to 11.0 inches); dusky red (2.5YR 3/2), dark reddish gray (5YR 4/2), dry; sandy clay; weak medium prismatic, and strong fine subangular blocky structure; hard, firm, very sticky, very plastic; 21.0 roots; distinct clay films on faces of peds; fragments; clear boundary. Lab sample # 40A27372. continuous - phpvsfiid 187880; continuous - phpvsfiid 187880
    B22—28 to 58 centimeters (11.0 to 22.8 inches); dark reddish brown (2.5YR 2/4), weak red (2.5YR 4/2), dry; sandy clay; moderate coarse prismatic, and strong medium and coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 21.0 roots; nonintersecting slickensides on all faces of peds; fragments; gradual boundary. Lab sample # 40A27373. some evidences of slickensides on both vertical and horizon faces, more on horizontal faces.
    B23ca—58 to 94 centimeters (22.8 to 37.0 inches); dark reddish brown (2.5YR 2/4), weak red (2.5YR 4/2), dry; clay; moderate coarse prismatic, and moderate medium and coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 21.0 roots; nonintersecting slickensides on all faces of peds and distinct clay films on all faces of peds; 3 percent carbonate nodules; fragments; strong effervescence; gradual boundary. Lab sample # 40A27374. less than above.; continuous - phpvsfiid 187883; continuous - phpvsfiid 187883
    B3ca—94 to 114 centimeters (37.0 to 44.9 inches); dark reddish brown (2.5YR 3/4), weak red (2.5YR 4/2), dry; clay; weak coarse angular blocky structure; extremely hard, very firm, moderately sticky, very plastic; 0.5 roots; distinct clay films on all faces of peds and nonintersecting slickensides on all faces of peds; fragments; strong effervescence; clear irregular boundary. Lab sample # 40A27375. some evidences of slickensides on both vertical and horizontal faces, more on horizontal faces; continuous - phpvsfiid 187878; continuous - phpvsfiid 187878
    C1—114 to 140 centimeters (44.9 to 55.1 inches); gray (5Y 5/1) and weak red (2.5YR 4/2), gray (5Y 5/1) and weak red (2.5YR 5/2), dry; clay; massive; hard, firm, moderately sticky, moderately plastic; 0.5 roots; fragments; strong effervescence; gradual boundary. Lab sample # 40A27376
    C2—140 to 165 centimeters (55.1 to 65.0 inches); dark gray (5Y 4/1) and weak red (2.5YR 4/2), gray (5Y 5/1) and weak red (2.5YR 5/2), dry; clay loam; massive; hard, firm, moderately sticky, moderately plastic; 0.1 roots; shale, unspecified fragments; slight effervescence; gradual boundary. Lab sample # 40A27377. numerous shale fragments.