IDENTIFIERS

  • Current Taxon Name (Soil Name): PENDROY
  • OSD
  • Series Extent
  • User Site ID: S1967MT013001
  • User Pedon ID: S1967MT013001
  • Vegetation Plot ID: S1967MT013001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3650
  • NCSS Pedon Lab Data NASIS Record ID - 39315
  • Print Date: 11/26/2024

    • 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: 47.6549072
  • Std. Longitude: -111.2644806
  • Datum: WGS84
  • Township: 22N
  • Range: 4E
  • Section: 18
  • PLSS Details: 800 feet west and 100 feet north of S 1/2 corner
  • State: Montana
  • County: MT013—Cascade
  • MLRA: 52—Brown Glaciated Plains
  • Non-MLRA Soil Survey Area: MT613—Cascade County Area, Montana
  • 7.5 Minute USGS Quad: 47111-F3—Benton Lake East, Montana

    • PEDON

  • Describers Name: Clair O. Clark and C. A. Mogen
  • Current Taxonomic Class: Very-fine, montmorillonitic, frigid Udorthentic Chromusterts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - PENDROY
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - Pendroy
  • Classificaton Date - 7/24/1967
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: plain
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/24/1967 (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

    NAVI4

    PASM

    Nassella viridula

    Pascopyrum smithii

    green needlegrass

    western wheatgrass

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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

    —

    —

    1097

    —

    305

    —

    —

    7.8

    19.4

    -3.9

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    A11—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate very fine and fine granular structure; very hard, friable, moderately sticky, very plastic; 21.0 roots; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A28116
    A12—8 to 18 centimeters (3.1 to 7.1 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate fine subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 21.0 roots; fragments; slight effervescence; diffuse boundary. Lab sample # 40A28117
    C1—18 to 48 centimeters (7.1 to 18.9 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; strong medium and coarse subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 3.0 roots; fragments; slight effervescence; diffuse wavy boundary. Lab sample # 40A28118
    C2—48 to 76 centimeters (18.9 to 29.9 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; strong coarse and very coarse subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; 0.5 fine roots; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A28119
    C3—76 to 107 centimeters (29.9 to 42.1 inches); grayish brown (2.5Y 5/2) and gray (2.5Y 5/1), dark grayish brown (2.5Y 4/2) and dark gray (2.5Y 4/1), moist; silty clay; massive; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 fine roots; 1 percent gypsum threads; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A28120
    C4—107 to 140 centimeters (42.1 to 55.1 inches); grayish brown (2.5Y 5/2) and gray (2.5Y 5/1), dark grayish brown (2.5Y 4/2) and dark gray (2.5Y 4/1), moist; silty clay; massive; extremely hard, very firm, moderately sticky, moderately plastic; coarse gypsum crystals, unspecified; fragments; slight effervescence; diffuse boundary. Lab sample # 40A28121
    C5—140 to 178 centimeters (55.1 to 70.1 inches); grayish brown (2.5Y 5/2) and gray (2.5Y 5/1), dark grayish brown (2.5Y 4/2) and dark gray (2.5Y 4/1), moist; silty clay; massive; extremely hard, very firm, moderately sticky, moderately plastic; coarse gypsum crystals, unspecified; fragments; slight effervescence. Lab sample # 40A28122