IDENTIFIERS

  • Current Taxon Name (Soil Name): RIDGELAWN
  • OSD
  • Series Extent
  • User Site ID: S1997ND053480
  • User Pedon ID: S1997ND053480
  • Vegetation Plot ID: S1997ND053480
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0167
  • NCSS Pedon Lab Data NASIS Record ID - 10439
  • Print Date: 4/28/2025

    • 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: 47.9580002
  • Std. Longitude: -103.9923859
  • Datum: WGS84
  • Township: 152N
  • Range: 104W
  • Section: 28
  • PLSS Details: 1,890 feet East and 2,190 feet South of the NW corner
  • State: North Dakota
  • County: ND053—McKenzie
  • MLRA: 54—Rolling Soft Shale Plain
  • Non-MLRA Soil Survey Area: ND053—McKenzie County, North Dakota
  • 7.5 Minute USGS Quad: 47103-H8—Buford, North Dakota

    • PEDON

  • Describers Name: FPA, MGU
  • Current Taxonomic Class: Fine-loamy over sandy or sandy-skeletal, mixed, calcareous, frigid Typic Ustifluvents
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 480
  • Sampled As Information:
  • Soil Name - RIDGELAWN
  • Taxonomic Class - Fine-loamy over sandy or sandy-skeletal, mixed, calcareous, frigid Typic Ustifluvents
  • PSC - 64 to 259 cm.
  • Classificaton Date - 10/6/1997
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/6/1997 (actual site observation date)
  • Air Photo ID: 38
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGSM

    CECU

    GRSQ

    MEOF

    MEOF

    PASM

    Agropyron smithii

    Ceanothus cuneatus

    Grindelia squarrosa

    Melilotus officinalis

    Melilotus officinalis

    Pascopyrum smithii

    —

    buckbrush

    curlycup gumweed

    sweetclover

    sweetclover

    western wheatgrass

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    0—46

    —-
    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

    23

    11

    571

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay loam; moderate medium subangular blocky parts to moderate fine subangular blocky, and weak fine granular structure; hard when dry, firm, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 98P01053. common fine moderate continuity dendritic tubular pores; moderate excavation difficulty; surface duff was included with the sampling of this horizon; sampled for bulk density.
    C1—10 to 33 centimeters (3.9 to 13.0 inches); dark grayish brown (10YR 4/2) broken face, 50 percent light brownish gray (10YR 6/2) broken face and 50 percent grayish brown (10YR 5/2) broken face, dry; silt loam; massive; moderately hard, very friable, slightly sticky, moderately plastic; 3.0 very fine roots throughout; 3 percent fine and medium irregular noncoherent cemented strong brown (7.5YR 4/6) iron concretions throughout and 3 percent fine cylindrical noncoherent cemented strong brown (7.5YR 5/6) iron concretions in cracks; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 98P01054. common very fine moderate continuity dendritic tubular pores; moderate excavation difficulty; 1 to 2 mm of strong stratification throughout; some redoximorphic features are oxidized rhizospheres; matrix colors are for upper and lower parts; sampled for bulk density and DOT.
    Ab—33 to 56 centimeters (13.0 to 22.0 inches); dark grayish brown (2.5Y 4/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; silt loam; massive; moderately hard, very friable, slightly sticky, moderately plastic; 3.0 very fine roots throughout; 3 percent fine cylindrical noncoherent cemented strong brown (7.5YR 5/6) iron concretions in cracks; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 98P01055. common very fine moderate continuity dendritic tubular pores; moderate excavation difficulty; 1 to 2 mm of weak stratification throughout; <1 mm thin strata of loamy fine sand; 20 mm stratification at 20 inch depth; sampled for bulk density.
    2C1—56 to 66 centimeters (22.0 to 26.0 inches); olive brown (2.5Y 4/3) broken face, light yellowish brown (2.5Y 6/3) broken face, dry; loamy very fine sand; massive; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 98P01056. few very fine moderate continuity dendritic tubular pores; low excavation difficulty; 1 to 2 mm of weak stratification throughout.
    2C2—66 to 119 centimeters (26.0 to 46.9 inches); 80 percent light olive brown (2.5Y 5/3) and 20 percent very dark grayish brown (2.5Y 3/2), 80 percent light yellowish brown (2.5Y 6/3) and 20 percent dark grayish brown (2.5Y 4/2), dry; loamy sand, loamy fine sand; single grain; loose, nonsticky, nonplastic; 3.0 very fine roots throughout; fragments; clear wavy boundary. Lab sample # 98P01057. few very fine moderate continually dendritic tubular pores; low excavation difficulty; 1 mm of very weak stratification of loamy sand and fine sand; dark grayish brown (2.5Y 4/2) moist strata 15 mm thick at the 42 inch depth; sampled for bulk density.
    2C3—119 to 140 centimeters (46.9 to 55.1 inches); grayish brown (2.5Y 5/2), light brownish gray (2.5Y 6/2), dry; fine sand; single grain; loose, nonsticky, nonplastic; 0.5 very fine roots throughout; fragments; clear smooth boundary. Lab sample # 98P01058. low excavation difficulty; fine sand in upper 80mm; <1 mm of weakly stratified grayish brown (2.5Y 5/2) loamy fine sand and fine sand, dark grayish brown (2.5Y 4/2) moist in lower part, sampled for bulk density.
    2C4—140 to 203 centimeters (55.1 to 79.9 inches); dark grayish brown (2.5Y 4/2), light brownish gray (2.5Y 6/2), dry; loamy sand; single grain; loose, nonsticky, nonplastic; fragments. Lab sample # 98P01059. low excavation difficulty; Black (2.5Y 2.5/1) coal or organic matter up to 3 mm thick stratified throughout 10 percent of horizon; saturated at 72 inches; sampled for bulk density and DOT.