IDENTIFIERS

  • Current Taxon Name (Soil Name): Demast
  • OSD
  • Series Extent
  • User Site ID: S1979ID003003
  • User Pedon ID: 79ID003003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 79P0438
  • NCSS Pedon Lab Data NASIS Record ID - 47171
  • Print Date: 11/23/2024

    • 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: 44.9804440
  • Std. Longitude: -116.2314520
  • Datum: WGS84
  • Township: 19N
  • Range: 2E
  • Section: 17
  • PLSS Details: 808 meters N and 107 meters E of the SE corner
  • Location Description: East New Meadows 3 km
  • Map Unit: 40—Demast loam, 10 to 30 percent slopes
  • State: Idaho
  • County: ID003—Adams
  • MLRA: 43B—Central Rocky Mountains
  • Non-MLRA Soil Survey Area: ID656—Adams-Washington Area, Parts of Adams and Washington Counties, Idaho
  • 7.5 Minute USGS Quad: 44116-H2—Meadows, Idaho

    • PEDON

  • Describers Name: G.H.L., L.M.R., D.L.M., S.H., K.W.H.
  • Current Taxonomic Class: Fine-loamy, mixed, superactive Pachic Haplocryolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Demast
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/27/2020
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Demast
  • Taxonomic Class - Fine-loamy, mixed Argic Pachic Cryoboroll
  • Taxon Kind - series
  • Classificaton Date - 9/1/1979
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from basalt
  • Landscape: mountains
  • Landform: alluvial fan
  • Hill Slope Profile: toeslope
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1979 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    mollic epipedon

    0—51

    —-
    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

    25

    —

    —

    1259

    —

    270

    685

    —

    65

    5.9

    —

    —

    6.4

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 13 centimeters (0.0 to 5.1 inches); very dark brown (10YR 2/2) interior, dark brown (10YR 3/3) interior, dry; loam; 25 percent clay; weak medium subangular blocky, and moderate very fine and fine granular structure; slightly hard, very friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium and coarse roots; 2.5 very fine and fine interstitial and tubular pores; 2 percent by volume nonflat indurated 2-?-5 millimeter unspecified fragments observed by weighed method and 3 percent by volume nonflat indurated 5-?-75 millimeter unspecified fragments observed by weighed method; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 79P02374. common very fine and fine roots; few medium and coarse roots
    A2—13 to 51 centimeters (5.1 to 20.1 inches); very dark brown (10YR 2/2) interior, very dark grayish brown (10YR 3/2) interior, dry; loam; 26 percent clay; weak medium prismatic, and weak medium and coarse subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 medium and coarse roots; 2.5 very fine and fine interstitial and tubular pores; 1 percent by volume nonflat indurated 5-?-75 millimeter unspecified fragments observed by weighed method and 2 percent by volume nonflat indurated 2-?-5 millimeter unspecified fragments observed by weighed method; slightly acid, pH 6.4, hellige-truog; abrupt wavy boundary. Lab sample # 79P02375. common very fine and fine roots; few medium and coarse roots
    Bt1—51 to 79 centimeters (20.1 to 31.1 inches); 10YR 2/4 (10YR 2/4) interior, brown (10YR 4/3) interior, dry; loam; 25 percent clay; weak medium prismatic structure; hard, friable, moderately sticky, moderately plastic; 5.5 very fine and fine roots and 0.5 medium roots; 2.5 very fine and fine interstitial and tubular pores; 55 percent slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; 2 percent by volume nonflat indurated 5-?-75 millimeter unspecified fragments observed by weighed method and 3 percent by volume nonflat indurated 2-?-5 millimeter unspecified fragments observed by weighed method; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 79P02376. many intersecting slickensides surface features on faces of peds; many intersecting slickensides surface features in root channels and/or pores; many very fine and fine roots; few medium roots
    Bt2—79 to 104 centimeters (31.1 to 40.9 inches); dark yellowish brown (10YR 3/4) interior, dark yellowish brown (10YR 4/4) interior, dry; loam; 26 percent clay; weak medium prismatic structure; hard, friable, moderately sticky, moderately plastic; 0.5 medium roots and 0.5 fine roots; 2.5 very fine tubular and 0.5 fine and medium tubular pores; 55 percent slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; 3 percent by volume nonflat indurated 2-?-5 millimeter unspecified fragments observed by weighed method and 3 percent by volume nonflat indurated 5-?-75 millimeter unspecified fragments observed by weighed method; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 79P02377. many intersecting slickensides surface features on faces of peds; many intersecting slickensides surface features in root channels and/or pores; few medium roots; few fine roots
    2Bt3—104 to 129 centimeters (40.9 to 50.8 inches); dark yellowish brown (10YR 3/4) interior, dark yellowish brown (10YR 4/4) interior, dry; sandy clay loam; 26 percent clay; weak medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 2.5 very fine interstitial and tubular and 0.3 fine interstitial and tubular pores; 55 percent slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; 4 percent by volume nonflat indurated 2-?-5 millimeter unspecified fragments observed by weighed method and 7 percent by volume nonflat indurated 5-?-75 millimeter unspecified fragments observed by weighed method; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 79P02378. many intersecting slickensides surface features on faces of peds; many intersecting slickensides surface features in root channels and/or pores; few very fine and fine roots
    2Bt4—129 to 163 centimeters (50.8 to 64.2 inches); dark yellowish brown (10YR 4/4) interior, yellowish brown (10YR 5/4) interior, dry; coarse sandy loam; 18 percent clay; weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine interstitial and tubular and 0.5 fine interstitial and tubular pores; clay films on nodules and clay films on faces of peds and clay films in root channels and/or pores; 4 percent by volume nonflat indurated 5-?-75 millimeter unspecified fragments observed by weighed method and 5 percent by volume nonflat indurated 2-?-5 millimeter unspecified fragments observed by weighed method; neutral, pH 6.7, hellige-truog. Lab sample # 79P02379. few very fine roots