IDENTIFIERS

  • Current Taxon Name (Soil Name): Duffau
  • OSD
  • Series Extent
  • Local Phase: fine sandy loam
  • User Site ID: S1996TX143003
  • User Pedon ID: 96TX143003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 96P0302
  • NCSS Pedon Lab Data NASIS Record ID - 68380
  • User Project ID: 2020-MLRA-001
  • Project Name: MLRA 84B - Paluxy Erosional Hillslopes, Central Part
  • Print Date: 2/16/2025

    • 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: 32.1206665
  • Std. Longitude: -98.0842743
  • Datum: WGS84
  • Country: US—United States
  • State: Texas
  • County: TX143—Erath
  • MLRA: 84B—West Cross Timbers
  • Non-MLRA Soil Survey Area: TX143—Erath County, Texas
  • 7.5 Minute USGS Quad: 32098-A1—Clairette, Texas

    • PEDON

  • Describers Name: James Greenwade, W. Gregory, J. Park
  • Current Taxonomic Class: Fine-loamy, siliceous, active, thermic Udic Haplustalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Duffau
  • PSC - 10 to 60 cm.
  • Classificaton Date - 9/24/2017
  • Classifier - Chance M. Robinson
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Windthorst Hvyap
  • Taxonomic Class - Fine-loamy, mixed Udic Paleustalfs
  • Classificaton Date - 9/1/1996
  • Dynamic Soil Properties:
  • Erosion Class - 4
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1996 (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
    • 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

    5

    —

    —

    386

    —

    23

    —

    —

    —

    —

    —

    —

    —

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    A—0 to 10 centimeters (0.0 to 3.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak fine subangular blocky structure; hard, firm; 0.5 fine roots; 0.5 fine pores; fragments; abrupt smooth boundary. Lab sample # 96P02388
    Bt1—10 to 70 centimeters (3.9 to 27.6 inches); red (2.5YR 5/8) sandy clay loam; moderate medium subangular blocky structure; extremely hard, extremely firm*; 3.0 fine roots; 0.5 fine pores; yellowish red (5YR 5/8) clay films; fragments; gradual smooth boundary. Lab sample # 96P02389
    Bt2—70 to 100 centimeters (27.6 to 39.4 inches); yellowish red (5YR 5/6) fine sandy loam; prismatic parts to moderate medium subangular blocky structure; extremely hard, extremely firm*; 0.5 fine roots; 0.5 fine pores; reddish brown (5YR 5/4) clay films; fragments. Lab sample # 96P02390