IDENTIFIERS

  • Current Taxon Name (Soil Name): Bridger
  • OSD
  • Series Extent
  • User Site ID: S08MT057-002
  • User Pedon ID: S08MT057-002
  • Vegetation Plot ID: S08MT057-002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • 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: 45.0184971
  • Std. Longitude: -111.8456410
  • Datum: WGS84
  • State: Montana
  • County: OK007—Beaver
  • MLRA: 43B—Central Rocky Mountains

    • PEDON

  • Describers Name: Neal Svendsen
  • Current Taxonomic Class: Fine, mixed, superactive Ustic Argicryolls
  • Current Taxon Kind: family
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Bridger
  • Taxonomic Class - Fine, mixed, superactive Ustic Argicryolls
  • PSC - 23 to 100 cm.
  • Classificaton Date - 10/2/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: limestone
  • Landscape: mountains
  • Landform: mountain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/2/2008 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABLA

    AGSM

    ANTEN

    DANTH

    GERAN

    LUPIN

    PHLEU

    PICEA

    PICO

    PIEN

    POA

    STIPA

    Abies lasiocarpa

    Agropyron smithii

    Antennaria

    Danthonia

    Geranium

    Lupinus

    Phleum

    Picea

    Pinus contorta

    Picea engelmannii

    Poa

    Stipa

    subalpine fir

    —

    pussytoes

    oatgrass

    geranium

    lupine

    timothy

    spruce

    lodgepole pine

    Engelmann spruce

    bluegrass

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—23

    23—100

    —-

    —-
    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

    5

    —

    —

    2670

    —

    330

    —

    787

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 10 centimeters (0.0 to 3.9 inches); black (10YR 2/1), very dark grayish brown (10YR 3/2), dry; clay loam; 32 percent clay; strong fine granular, and strong medium granular structure; moderately hard, friable, moderately sticky, moderately plastic; 10.0 very fine roots and 4.0 medium roots and 10.0 fine roots and 0.5 coarse roots; 5 percent by volume nonflat 2-?-75 millimeter unspecified fragments and 5 percent by volume nonflat 76-?-250 millimeter unspecified fragments; noneffervescent; clear smooth boundary.
    A2—10 to 23 centimeters (3.9 to 9.1 inches); black (10YR 2/1), very dark grayish brown (10YR 3/2), dry; clay loam; 32 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky, and strong medium granular structure; hard, friable, moderately sticky, moderately plastic; 4.0 medium roots and 10.0 fine roots and 1.0 coarse roots; 10.0 very fine pores; 40 percent prominent pinkish gray (7.5YR 6/2) clay films; 5 percent by volume nonflat 2-?-75 millimeter unspecified fragments and 5 percent by volume nonflat 76-?-250 millimeter unspecified fragments; noneffervescent; clear wavy boundary.
    Bt1—23 to 52 centimeters (9.1 to 20.5 inches); reddish brown (5YR 4/4), light reddish brown (5YR 6/3), dry; clay; 47 percent clay; strong fine subangular blocky, and strong medium subangular blocky structure; hard, friable, very sticky, very plastic; 0.5 medium roots and 0.5 fine roots; 10.0 very fine pores; 60 percent distinct light reddish brown (5YR 6/3), dry, clay films; 5 percent by volume nonflat 2-?-75 millimeter unspecified fragments and 5 percent by volume nonflat 76-?-250 millimeter unspecified fragments; noneffervescent; gradual wavy boundary.
    Bt2—52 to 82 centimeters (20.5 to 32.3 inches); variegated pinkish gray (7.5YR 6/2), reddish brown (2.5YR 5/4), dry; clay; 47 percent clay; moderate coarse prismatic, and moderate very coarse prismatic, and moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots; 4.0 very fine pores; 40 percent prominent pale red (7.5R 6/2) clay films; 2 percent by volume nonflat 2-?-75 millimeter unspecified fragments; noneffervescent; gradual wavy boundary.
    Bt3—82 to 110 centimeters (32.3 to 43.3 inches); variegated pinkish gray (7.5YR 6/2), reddish brown (2.5YR 5/4), dry; clay; 40 percent clay; moderate coarse prismatic, and moderate medium subangular blocky structure; very hard, firm, very sticky, moderately plastic; 0.5 very fine pores; 20 percent prominent pinkish gray (7.5YR 6/2) clay films; 2 percent by volume nonflat 2-?-75 millimeter unspecified fragments; noneffervescent.