IDENTIFIERS

  • Current Taxon Name (Soil Name): Midvale
  • OSD
  • Series Extent
  • User Site ID: S1979ID087003
  • User Pedon ID: 79ID087003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 79P0435
  • NCSS Pedon Lab Data NASIS Record ID - 47168
  • 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: 44.4806910
  • Std. Longitude: -116.7445890
  • Datum: WGS84
  • Township: 13N
  • Range: 3W
  • Section: 7
  • PLSS Details: 18 meters E and 400 meters N of the Center
  • Location Description: NW Midevale 3 km
  • Map Unit: 142—Midvale silty clay loam, 2 to 4 percent slopes
  • State: Idaho
  • County: ID087—Washington
  • MLRA: 10—Central Rocky and Blue Mountain Foothills
  • PEDON

  • Describers Name: G.H.L., L.M.R., D.L.M., S.H., K.W.H., M.A.F.
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argixerolls
  • 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 - Midvale
  • Classificaton Date - 2/27/2020
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Midvale
  • Taxonomic Class - Fine, mixed, mesic Vertic Argixeroll
  • 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: mixed alluvium over lacustrine deposits
  • Landscape: foothills
  • Landform: lake terrace
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • 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 - crop 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

    argillic horizon

    36—76

    —-

    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

    1

    808

    315

    485

    130

    9.3

    9.8

    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) interior, very dark brown (10YR 2/2) interior, moist; silt loam; 25 percent clay; strong very fine granular structure; loose, firm, moderately sticky, moderately plastic; 2.5 fine roots; 2.5 fine interstitial pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 79P02354. common fine roots
    Ap2—10 to 25 centimeters (3.9 to 9.8 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; 27 percent clay; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 fine and medium roots; 5.5 very fine tubular pores; very dark grayish brown (10YR 3/2) black stains in root channels and/or pores; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 79P02355. common fine and medium roots
    BAt—25 to 36 centimeters (9.8 to 14.2 inches); brown (7.5YR 4/2) interior, dark reddish brown (5YR 2/2) interior, moist; clay loam; 29 percent clay; moderate fine and medium prismatic, and strong fine and medium angular blocky, and strong fine and medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; 5.5 very fine roots; 2.5 very fine and fine tubular pores; very dark grayish brown (10YR 3/2) black stains in root channels and/or pores and 55 percent slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 79P02356. many intersecting slickensides surface features on faces of peds; many intersecting slickensides surface features in root channels and/or pores; many very fine roots
    Bt—36 to 48 centimeters (14.2 to 18.9 inches); brown (7.5YR 4/2) interior, dark reddish brown (5YR 3/2) interior, moist; clay loam; 37 percent clay; strong medium prismatic, and strong medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 very fine roots between peds and 5.5 very fine roots top of horizon; 2.5 very fine and fine tubular pores; slickensides (pedogenic) on faces of peds and slickensides (pedogenic) in root channels and/or pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 79P02357. many very fine roots in mat at top of horizon; few very fine roots between peds
    Btb1—48 to 76 centimeters (18.9 to 29.9 inches); dark yellowish brown (10YR 4/4) interior, dark brown (10YR 3/3) interior, moist; silty clay; 43 percent clay; strong medium prismatic structure; extremely hard, very friable, very sticky, very plastic; 0.5 very fine roots; 0.5 fine tubular pores; slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 79P02358. many intersecting slickensides surface features in root channels and/or pores; few very fine roots
    Btb2—76 to 99 centimeters (29.9 to 39.0 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; loam; 24 percent clay; weak coarse prismatic structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 fine and medium tubular pores; 55 percent clay films on vertical faces of peds; fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 79P02359. many clay films surface features on vertical faces of peds; few very fine roots
    C1—99 to 142 centimeters (39.0 to 55.9 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; loam; 11 percent clay; massive; hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine and fine interstitial and tubular pores; fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 79P02360. few very fine roots
    C2—142 to 152 centimeters (55.9 to 59.8 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 3/4) interior, moist; silt loam; 8 percent clay; massive; hard, firm, nonsticky, nonplastic; 2.5 very fine and fine interstitial and tubular pores; fragments; neutral, pH 7.2, hellige-truog. Lab sample # 79P02361