IDENTIFIERS

  • Current Taxon Name (Soil Name): Onawa
  • OSD
  • Series Extent
  • User Site ID: S1994NE177015
  • User Pedon ID: 94NE177015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0326
  • NCSS Pedon Lab Data NASIS Record ID - 67344
  • Print Date: 6/2/2024
  • 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: 41.4355545
  • Std. Longitude: -95.9602814
  • Datum: WGS84
  • Township: 17N
  • Range: 13E
  • Section: 21
  • PLSS Details: 900 feet east and 300 feet south of the northwest corner
  • State: Nebraska
  • County: NE177—Washington
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: NE177—Washington County, Nebraska
  • 7.5 Minute USGS Quad: 41095-D8—Loveland, Iowa
  • PEDON

  • Describers Name: Stephen L. Hartung, Francis Belohlavy, Mark Kuzila, Neal Stolpe
  • Current Taxonomic Class: Clayey over loamy, montmorillonitic (calcareous), mesic Aquic Udifluvents
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 15
  • Sampled As Information:
  • Soil Name - Onawa
  • Taxonomic Class - Clayey over loamy, montmorillonitic (calcareous), mesic Aquic Udifluvents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/10/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 15.24 cm of Depth to free l and 0 cm of Depth to mottle


  • SITE

  • Landscape: river valley
  • Landform: flood plain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: occasional flooding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/10/1994 (actual site observation date)
  • Air Photo ID: 2-9T
  • 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 Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    69 -

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

    abrupt textural change

    69—

    —-

    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

    0

    302

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (2.5Y 3/2) crushed, grayish brown (2.5Y 5/2), dry; clay; massive; very hard, very firm; 21.0 very fine and fine roots throughout; 21.0 very fine and fine moderate-continuity tubular pores; 3 percent medium irregular black (10YR 2/1) iron-manganese masses throughout; fragments; abrupt wavy boundary. Lab sample # 95P02554
    Cg1—15 to 25 centimeters (5.9 to 9.8 inches); dark gray (2.5Y 4/1) crushed, grayish brown (2.5Y 5/2), dry; stratified clay; massive; very hard, very firm; 21.0 very fine and fine roots throughout; 21.0 very fine and fine low-continuity tubular pores; 3 percent coarse irregular black (10YR 2/1) iron-manganese masses throughout; 1 percent fine and medium spherical light gray (10YR 7/2) carbonate nodules throughout; fragments; very slight effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 95P02555
    Cg2—25 to 48 centimeters (9.8 to 18.9 inches); dark gray (2.5Y 4/1) crushed, grayish brown (2.5Y 5/2), dry; stratified clay; moderate very fine angular blocky structure; very hard, very firm; 21.0 very fine and fine roots throughout; 21.0 very fine and fine low-continuity tubular pores; 75 percent faint pressure faces on all faces of peds; fragments; slight effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 95P02556
    Cg3—48 to 69 centimeters (18.9 to 27.2 inches); gray (2.5Y 5/1) crushed, gray (2.5Y 6/1), dry; stratified clay; moderate coarse angular blocky structure; very hard, very firm; 3.0 fine roots throughout; 21.0 fine moderate-continuity tubular pores; 75 percent faint pressure faces on all faces of peds; fragments; strong effervescence, by hcl, unspecified; abrupt wavy boundary. Lab sample # 95P02557
    2Cg4—69 to 107 centimeters (27.2 to 42.1 inches); gray (2.5Y 6/1) crushed, light gray (2.5Y 7/2), dry; stratified very fine sandy loam; massive; soft, very friable; 3.0 fine roots throughout; 21.0 fine high-continuity tubular and 0.5 coarse high-continuity tubular pores; 3 percent fine and medium irregular very dark brown (10YR 2/2) iron-manganese masses throughout; fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 95P02558
    2Cg5—107 to 150 centimeters (42.1 to 59.1 inches); light olive brown (2.5Y 5/3) crushed, light yellowish brown (2.5Y 6/3), dry; stratified very fine sandy loam; massive; soft, very friable; 0.5 fine roots throughout; 21.0 fine high-continuity tubular pores; 3 percent fine and medium irregular very dark brown (10YR 2/2) iron-manganese masses throughout; fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 95P02559
    2Cg6—150 to 180 centimeters (59.1 to 70.9 inches); light brownish gray (2.5Y 6/2) crushed, light gray (2.5Y 7/2), dry; stratified very fine sandy loam to silt loam; massive; soft, very friable; 3.0 fine high-continuity tubular pores; 3 percent fine cylindrical black (10YR 2/1) iron-manganese masses throughout; fragments; strong effervescence, by hcl, unspecified; diffuse wavy boundary. Lab sample # 95P02560
    2Cg7—180 to 203 centimeters (70.9 to 79.9 inches); grayish brown (2.5Y 5/2) crushed, light gray (2.5Y 7/2), dry; stratified very fine sandy loam; massive; soft, very friable; 3.0 fine high-continuity tubular pores; 3 percent medium platy black (10YR 2/1) iron-manganese masses; fragments; strong effervescence, by hcl, unspecified. Lab sample # 95P02561