IDENTIFIERS

  • Current Taxon Name (Soil Name): Elloam
  • OSD
  • Series Extent
  • User Site ID: S1990MT071007
  • User Pedon ID: 90MT071007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P1089
  • NCSS Pedon Lab Data NASIS Record ID - 63022
  • Print Date: 11/21/2024

    • 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: 47.8277779
  • Std. Longitude: -107.9041672
  • Datum: WGS84
  • Township: 24N
  • Range: 30E
  • Section: 20
  • PLSS Details: 2500 feet N and 600 feet E of SW corner
  • State: Montana
  • County: MT071—Phillips
  • MLRA: 52—Brown Glaciated Plains

    • PEDON

  • Describers Name: Chuck Gordon and Rick Bandy
  • Current Taxonomic Class: Fine, smectitic, frigid Borollic Natrargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Elloam
  • PSC - 8 to 36 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Elloam
  • Taxonomic Class - Fine, montmorillonitic Borollic Natrargid
  • Taxon Kind - series
  • Classificaton Date - 9/1/1990
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Anthropogenic Feature: leveled land
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 70.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1990 (actual site observation date)
  • Microrelief Elevation: 10
  • 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
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    natric horizon

    8—36

    —-
    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

    2

    —

    —

    788

    —

    270

    30

    —

    —

    6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    E—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; loam; weak thin platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout and 2.5 medium roots throughout; 2.5 fine tubular pores; fragments; abrupt smooth boundary. Lab sample # 90P06716. many unstained sand grains; common very fine and fine roots throughout; common medium roots throughout
    Bt1—8 to 23 centimeters (3.1 to 9.1 inches); dark grayish brown (10YR 4/2), brown (10YR 5/3), dry; clay; moderate medium columnar structure; hard, friable, very sticky, moderately plastic; 2.5 very fine and fine roots between peds and 0.5 medium roots; 0.5 fine tubular pores; 15 percent distinct clay films on all faces of peds; 2 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 90P06717. common distinct sand grains on top of columns; few clay films surface features on vertical and horizontal faces of peds; few medium roots; common very fine and fine roots between peds; continuous - phpvsfiid 226065; continuous - phpvsfiid 226065
    Bt2—23 to 36 centimeters (9.1 to 14.2 inches); dark grayish brown (10YR 4/2), brown (10YR 5/3), dry; clay loam; moderate medium prismatic, and moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds and 0.5 medium roots; 2.5 fine tubular pores; 15 percent faint clay films on faces of peds; 2 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 90P06718. few clay films surface features on faces of peds; few very fine and fine roots between peds; few medium roots; effervescence is continuous; discontinuous - phpvsfiid 226066; discontinuous - phpvsfiid 226066
    Bk—36 to 43 centimeters (14.2 to 16.9 inches); very dark grayish brown (10YR 3/2), brown (10YR 4/3), dry; clay loam; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; 0.5 fine tubular pores; 11 percent medium irregular carbonate nodules; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 90P06719. common medium lime nodules concentrations; few very fine and fine roots between peds; effervescence is continuous
    Bky—43 to 61 centimeters (16.9 to 24.0 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; clay loam; moderate fine subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; 0.5 fine tubular pores; 11 percent fine irregular lime masses and 11 percent fine and medium irregular gypsum masses; 5 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 90P06720. common fine soft masses of lime concentrations; common fine and medium masses of gypsum concentrations; few very fine and fine roots between peds; effervescence is continuous
    Bkyz—61 to 94 centimeters (24.0 to 37.0 inches); very dark grayish brown (10YR 3/2), brown (10YR 4/3) and 20 percent dark gray (10YR 4/1) exterior, dry; clay loam; strong coarse prismatic, and strong medium angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; black stains on faces of peds; 1 percent fine irregular lime masses and 11 percent fine and medium irregular gypsum masses; 10 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, unspecified; clear irregular boundary. Lab sample # 90P06721. few fine soft masses of lime concentrations; common fine and medium masses of gypsum concentrations; few very fine and fine roots between peds; effervescence is continuous
    Byz—94 to 152 centimeters (37.0 to 59.8 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; clay loam; 11 percent yellowish brown (10YR 5/4) fine and medium distinct mottles; strong coarse prismatic, and strong medium angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 11 percent medium irregular gypsum crystal clusters and 11 percent medium irregular salt masses; 10 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 90P06722. mottles are relic; common medium nests of gypsum concentrations; common medium salt masses concentrations; common fine and medium distinct 10YR54 mottles; effervescence is continuous
    C—152 to 203 centimeters (59.8 to 79.9 inches); very dark grayish brown (2.5Y 3/2), dark grayish brown (2.5Y 4/2), dry; clay loam; 11 percent brownish yellow (10YR 6/6) medium prominent mottles; massive; very hard, firm, moderately sticky, nonplastic; 1 percent fine irregular gypsum crystal clusters; 5 percent by volume 2-39-75 millimeter unspecified fragments. Lab sample # 90P06723. mottles are relic; few fine nests of gypsum concentrations; common medium prominent 10YR66 mottles