IDENTIFIERS

  • Current Taxon Name (Soil Name): Martinsdale
  • OSD
  • Series Extent
  • User Site ID: S2006MT624909
  • User Pedon ID: S2006MT107008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N1016
  • NCSS Pedon Lab Data NASIS Record ID - 18847
  • Print Date: 11/11/2024

    • 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: 46.3144455
  • Std. Longitude: -109.9250031
  • Datum: WGS84
  • Location Description: Colby Ranch.
  • Map Unit: 308B—Meagher gravelly loam, 0 to 4 percent slopes
  • State: Montana
  • County: MT107—Wheatland
  • MLRA: 46—Northern and Central Rocky Mountain Foothills
  • Non-MLRA Soil Survey Area: MT624—Wheatland County Area, Montana
  • 7.5 Minute USGS Quad: 46109-C8—Harlowton SW, Montana

    • PEDON

  • Describers Name: TDL
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Typic Argiustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 8
  • Sampled As Information:
  • Soil Name - Martinsdale
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Typic Argiustolls
  • PSC - 19 to 36 cm.
  • Classificaton Date - 8/11/2006
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: mixed alluvium
  • Landscape: foothills
  • Landform: outwash plain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 2.00 percent nonflat subrounded 76- to 250-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/11/2006 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Water Depth: 152
  • Plant Association Name: 46/D/LoSt
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    calcic horizon

    0—36

    19—36

    36—125

    —-

    —-

    —-
    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

    —

    —

    1440

    —

    44

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 19 centimeters (0.0 to 7.5 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), moist; loam; 23 percent clay; weak fine granular, and weak very fine granular, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 2.0 medium roots and 3.0 fine roots; 3.0 very fine tubular and 3.0 very fine irregular and 1.0 medium irregular and 1.0 medium tubular and 3.0 fine irregular and 3.0 fine tubular pores; 3 percent by volume 76 - 250-? millimeter unspecified fragments and 10 percent by volume 2 - 75-? millimeter unspecified fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 06N04335; slightly moist when described;
    Bt—19 to 36 centimeters (7.5 to 14.2 inches); dark brown (10YR 3/3), brown (10YR 4/3), moist; clay loam; 32 percent clay; moderate medium prismatic, and moderate coarse prismatic structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots and 2.0 fine roots; 1.0 very fine irregular and 1.0 very fine tubular and 2.0 very fine irregular and 2.0 very fine tubular and 1.0 medium irregular and 1.0 medium tubular and 2.0 fine tubular and 2.0 fine irregular pores; prominent lining pores and 15 percent fine prominent on faces of peds; 2 percent by volume 2 - 5-? millimeter unspecified fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 06N04336; slightly moist when described;
    Bk1—36 to 65 centimeters (14.2 to 25.6 inches); light yellowish brown (2.5Y 6/3), white (2.5Y 8/1), moist; sandy loam; 12 percent clay; strong medium platy structure; slightly hard, very friable, nonsticky, nonplastic; 2.0 very fine roots and 2.0 fine roots; 1.0 very fine tubular and 1.0 very fine irregular and 1.0 fine tubular and 1.0 fine irregular pores; 13 percent fine carbonate masses on faces of peds and 12 percent medium carbonate masses on faces of peds; 2 percent by volume 2 - 5-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 06N04337; slightly moist when described;
    Bk2—65 to 90 centimeters (25.6 to 35.4 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), moist; fine sandy loam; 12 percent clay; weak medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 1.0 very fine roots; 1.0 very fine irregular and 1.0 very fine tubular pores; 15 percent coarse carbonate masses throughout and 15 percent medium carbonate masses throughout; 2 percent by volume 76 - 250-? millimeter unspecified fragments and 10 percent by volume 2 - 75-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # 06N04338; slightly moist when described;
    Bk3—90 to 125 centimeters (35.4 to 49.2 inches); light olive brown (2.5Y 5/4), pale yellow (2.5Y 7/3), moist; fine sandy loam; 12 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; very fine roots and 0.2 fine roots; 1.0 very fine tubular and 1.0 very fine irregular and 1.0 fine tubular and 1.0 fine irregular pores; 10 percent coarse carbonate masses throughout and 10 percent medium carbonate masses throughout; 5 percent by volume 2 - 75-? millimeter unspecified fragments and 5 percent by volume 76 - 250-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4; clear wavy boundary. Lab sample # 06N04339; slightly moist when described;
    BCk—125 to 200 centimeters (49.2 to 78.7 inches); light yellowish brown (2.5Y 6/4), pale yellow (2.5Y 7/4), moist; very gravelly loam; 18 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 1.0 very fine interstitial pores; ; carbonate concretions on bottom of rock fragments; 10 percent by volume 76 - 250-? millimeter unspecified fragments and 45 percent by volume 2 - 75-? millimeter unspecified fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6. Lab sample # 06N04340; slightly moist when described;