IDENTIFIERS

  • Current Taxon Name (Soil Name): Sessions
  • OSD
  • Series Extent
  • User Site ID: S2013ID019001
  • User Pedon ID: S2013ID019001
  • Vegetation Plot ID: S2013ID019001
  • User Site Association ID: ID713_sites_v1ID758_sites_v2backup_ID713_sites_v1_backup20240307
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 13N97443
  • NCSS Pedon Lab Data NASIS Record ID - 69264
  • Print Date: 4/28/2024

    • 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: 43.1766120
  • Std. Longitude: -111.3570370
  • Datum: WGS84
  • State: Idaho
  • County: ID019—Bonneville
  • MLRA: 43B—Central Rocky Mountains
  • Non-MLRA Soil Survey Area: ID713—Caribou National Forest, Idaho and Wyoming

    • PEDON

  • Describers Name: Carla Rebernak
  • Current Taxonomic Class: Fine, smectitic Xeric Argicryolls
  • Current Taxon Kind: family
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Sessions
  • PSC - 25 to 75 cm.
  • Classificaton Date - 5/13/2020
  • Classifier - Kara Green
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Bischoff
  • Taxonomic Class - Fine, smectitic Pachic Argicryolls
  • Taxon Kind - family
  • PSC - 25 to 75 cm.
  • Classificaton Date - 9/27/2011
  • Classifier - Carla Rebernak
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from mudstone
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: moderately coherent mudstone at 114cm
  • Geology: Wayan formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R013XY024ID Loamy 22+ PZ ARTRV/FEID-BRMA4 Sep 27 2013 Carla Rebernak
  • Other Vegetative Class: HFW022 - mountain big sagebrush/mountain brome—SSR4: Sagebrush-Grass HTs of Southern Idaho, May 1983

    • SITE OBSERVATION

  • Observation Date: 9/27/2011 (actual site observation date)
  • Data Collector: Carla Rebernak
  • 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

    ARTRV

    SYOR2

    BRMA4

    ELTR7

    ASTER

    ERIOG

    WYAM

    Artemisia tridentata ssp. vaseyana

    Symphoricarpos oreophilus

    Bromus marginatus

    Elymus trachycaulus

    Aster

    Eriogonum

    Wyethia amplexicaulis

    mountain big sagebrush

    mountain snowberry

    mountain brome

    slender wheatgrass

    aster

    buckwheat

    mule-ears

    shrub/vine

    shrub/vine

    grass/grasslike

    grass/grasslike

    forb

    forb

    forb

    10

    10

    5

    10

    8

    2

    10

    —

    —

    —

    —

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    moderately coherent

    114 -

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

    mollic epipedon

    argillic horizon

    0—63

    25—114

    —63—

    —89—
    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

    21

    —

    —

    2043

    —

    208

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 25 centimeters (0.0 to 9.8 inches); dark brown (7.5YR 3/2) broken face, pinkish gray (7.5YR 6/2) broken face, dry; silt loam; 25 percent sand; 17 percent clay; moderate coarse granular structure; slightly hard, friable, slightly sticky, slightly plastic; common (2.0) very fine roots and common (1.0) medium roots and few (0.5) fine roots and common (2.0) coarse roots; common (3.0) very fine tubular and common (3.0) very fine tubular and common (3.0) very fine irregular pores; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 13N97443; observed in pit, small
    Bt1—25 to 39 centimeters (9.8 to 15.4 inches); dark brown (7.5YR 3/3) broken face, pinkish gray (7.5YR 6/2) broken face, dry; silty clay loam; 15 percent sand; 3 percent clay; strong medium subangular blocky structure; extremely hard, friable, very sticky, moderately plastic; common (1.0) very fine roots and few (0.5) medium roots and few (0.1) fine roots; many (5.0) very fine tubular and common (2.0) medium tubular and common (3.0) fine tubular pores; 5 percent clay films on all faces of peds and 5 percent clay films on surfaces along pores and 15 percent skeletans on all faces of peds; 5 percent by volume nonflat moderately coherent cemented 2-?-75 millimeter mudstone fragments observed by visual inspection method; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 13N97443; observed in pit, small
    Bt2—39 to 63 centimeters (15.4 to 24.8 inches); dark reddish brown (5YR 3/3) broken face clay; 15 percent sand; 55 percent clay; strong very coarse prismatic structure; very firm, very sticky, very plastic; few (0.1) very fine roots and few (0.5) medium roots; common (1.0) very fine tubular and common (1.0) very fine interstitial pores; 40 percent clay films on surfaces along pores and 50 percent clay films on all faces of peds; 10 percent by volume nonflat indurated 2-?-75 millimeter mudstone fragments observed by visual inspection method; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 13N97443; observed in pit, small
    Bt3—63 to 93 centimeters (24.8 to 36.6 inches); dark brown (7.5YR 3/4) broken face clay; 15 percent sand; 45 percent clay; strong extremely coarse prismatic parts to strong medium prismatic structure; very firm, very sticky, very plastic; few (0.1) very fine roots; common (1.0) very fine vesicular pores; 40 percent clay films on surfaces along pores and 50 percent clay films on all faces of peds; 10 percent by volume nonflat moderately coherent cemented 2-?-75 millimeter mudstone fragments observed by visual inspection method; very slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 13N97443; observed in pit, small
    Bt4—93 to 114 centimeters (36.6 to 44.9 inches); dark reddish brown (5YR 3/4) broken face gravelly clay; 30 percent sand; 43 percent clay; strong extremely coarse prismatic structure; very firm, very sticky, very plastic; few (0.1) very fine roots; common (1.0) very fine vesicular pores; 40 percent clay films on surfaces along pores and 50 percent clay films on all faces of peds; 10 percent by volume nonflat moderately coherent cemented 75-?-250 millimeter mudstone fragments observed by visual inspection method and 20 percent by volume nonflat moderately coherent cemented 2-?-75 millimeter mudstone fragments observed by visual inspection method; very slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 13N97443; observed in pit, small
    Cr—114 to 135 centimeters (44.9 to 53.1 inches); dark reddish gray (5YR 4/2) broken face bedrock; fragments; slight effervescence, by hcl, 1n. Lab sample # 13N97443; observed in pit, small