IDENTIFIERS

  • Current Taxon Name (Soil Name): duke
  • OSD
  • Series Extent
  • User Site ID: ok057-DkuA-duke-1
  • User Pedon ID: s2003ok-057-006 duke
  • Vegetation Plot ID: ok057-DkuA-duke-1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 03N0781
  • NCSS Pedon Lab Data NASIS Record ID - 16207
  • Print Date: 12/4/2024

    • 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: 34.7012596
  • Std. Longitude: -99.6964417
  • Datum: WGS84
  • Township: 3 north
  • Range: 24 west
  • Section: 26
  • PLSS Details: 1900 feet north and 1800 feet east of the southwest corner
  • Location Description: From the intersection of U.S. Highway 62 and OK State Highway 30 in Hollis, go 12 miles east on highway 62 to McQueen, then north 2.36 miles on a county road, then 1800 feet east in pasture.
  • Map Unit: 40—Mangum silty clay loam, 0 to 1 percent slopes, occasionally floodedDkuA—Duke silty clay, 0 to 1 percent slopes, occasionally flooded
  • Country: US—United States
  • State: Oklahoma
  • County: OK057—Harmon
  • MLRA: 78B—Central Rolling Red Plains, Western Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: OK057—Harmon County, Oklahoma
  • 7.5 Minute USGS Quad: 34099-F6—McQueen, Oklahoma

    • PEDON

  • Describers Name: D. Ressel, R. Gelnar, C. Salisbury
  • Current Taxonomic Class: Fine, mixed, active, thermic Sodic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - duke
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - mangum
  • Classificaton Date - 7/2/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


    • SITE

  • Parent Material: clayey alluvium
  • Landscape: upland
  • Landform: flood plain
  • Runoff: high
  • Drainage Class: well
  • Flooding: occasional flooding for very brief periods begining in apr
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/2/2003 (actual site observation date)
  • Air Photo ID: PSS #20
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 35
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGROP2

    Agropyron

    wheatgrass

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    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

    0.2

    —

    —

    446.5

    —

    585

    —

    210

    16.1

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    Ap—0 to 12 centimeters (0.0 to 4.7 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; silty clay; 38 percent clay; moderate medium granular structure; hard, friable; 1.0 medium roots and 3.0 fine roots; 1.0 medium and 1.0 fine pores; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary.; observed in trench
    Byz1—12 to 31 centimeters (4.7 to 12.2 inches); reddish brown (5YR 5/3), reddish brown (5YR 4/3), moist; clay; 38 percent clay; weak coarse prismatic parts to moderate medium angular blocky structure; hard, firm; 1.0 medium roots and 3.0 fine roots; 0.5 medium and 0.5 fine pores; 20 percent distinct pressure faces; 2 percent fine salt masses on surfaces along root channels and 1 percent fine gypsum masses on surfaces along root channels; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary.; observed in trench
    Bssyz2—31 to 64 centimeters (12.2 to 25.2 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; clay; 48 percent clay; weak coarse prismatic parts to moderate medium angular blocky structure; very hard, very firm; 1.0 very fine roots and 1.0 fine roots; 1.0 very fine and 0.5 fine pores; 10 percent distinct slickensides (pedogenic) and 30 percent distinct pressure faces; 3 percent fine salt masses on surfaces along root channels and 2 percent fine gypsum masses on surfaces along root channels and 1 percent fine carbonate masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary.; observed in trench
    Byz3—64 to 85 centimeters (25.2 to 33.5 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; silty clay; 38 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very hard, firm; 1.0 very fine roots and 1.0 fine roots; 2.0 very fine and 0.5 fine pores; 1 percent fine salt masses on surfaces along root channels and 1 percent fine gypsum masses on surfaces along root channels; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in trench
    Byz4—85 to 112 centimeters (33.5 to 44.1 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; silty clay loam; 33 percent clay; weak coarse prismatic parts to moderate medium subangular blocky structure; very hard, firm; 0.1 very fine roots; 2.0 very fine and 0.5 fine pores; 1 percent fine salt masses on surfaces along root channels; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary.; observed in trench
    BC1—112 to 164 centimeters (44.1 to 64.6 inches); 50 percent yellowish red (5YR 5/6) and 30 percent reddish brown (5YR 4/3) and 20 percent light brown (7.5YR 6/4), 50 percent yellowish red (5YR 4/6) and 30 percent dark reddish brown (5YR 3/3) and 20 percent brown (7.5YR 5/4), moist; stratified stratified loam to silt loam; 25 percent clay; weak very coarse prismatic parts to weak medium platy structure; hard, very friable; 0.1 very fine roots; 1.0 medium and 4.0 fine pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in trench
    BC2—164 to 220 centimeters (64.6 to 86.6 inches); 70 percent reddish brown (5YR 4/3) and 20 percent reddish brown (5YR 5/4) and 10 percent light brown (7.5YR 6/4), 70 percent dark reddish brown (5YR 3/3) and 20 percent reddish brown (5YR 4/4) and 10 percent brown (7.5YR 5/4), moist; stratified stratified silt loam to loam; 25 percent clay; weak very coarse prismatic parts to weak medium platy structure; hard, very friable; 0.1 very fine roots; 1.0 medium and 4.0 fine pores; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog.; observed in trench