IDENTIFIERS

  • Current Taxon Name (Soil Name): Randall
  • OSD
  • Series Extent
  • User Site ID: S1997TX153003
  • User Pedon ID: 97TX153003
  • Vegetation Plot ID: S1997TX153003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0516
  • NCSS Pedon Lab Data NASIS Record ID - 10199
  • Print Date: 12/11/2024

    • 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: 33.9622498
  • Std. Longitude: -101.4160309
  • Datum: WGS84
  • Location Description: From the intersection Farm Road 784 and U.S. Highway 70 in Floydada; 4.3 miles west on Farm Road 784; 1.1 miles south on ranch road; 300 feet south in playa (Bois D-Arc Lake).
  • State: Texas
  • County: TX153—Floyd
  • MLRA: 77C—Southern High Plains, Southern Part
  • Non-MLRA Soil Survey Area: TX153—Floyd County, Texas

    • PEDON

  • Describers Name: Craig Byrd B.L. Allen David Weindorf Stan Albee Kelly Attebury Susan Horton
  • Current Taxonomic Class: Fine, smectitic, thermic Ustic Epiaquerts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Randall
  • PSC - 24 to 130 cm.
  • Classificaton Date - 9/14/2005
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Randall
  • Taxonomic Class - Fine, smectitic, thermic Ustic Epiaquert
  • Taxon Kind - series
  • Classificaton Date - 7/28/1997
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: playa
  • Microfeature: gilgai
  • Ponding: frequent ponding for very long periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/28/1997 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ELRO2

    POPE2

    Eleocharis rostellata

    Polygonum pensylvanicum

    beaked spikerush

    Pennsylvania smartweed

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

    mollic epipedon

    cambic horizon

    slickensides

    calcic horizon

    0—23

    23—43

    43—234

    130—234

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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

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark gray (10YR 3/1) clay; moderate medium subangular blocky structure; 1 percent manganese concretions and 12 percent masses of oxidized iron; fragments; noneffervescent; clear smooth boundary. Lab sample # 97P03064. Fe masses in root pores.
    A2—8 to 24 centimeters (3.1 to 9.4 inches); very dark gray (10YR 3/1) clay; moderate fine and medium angular blocky structure; 1 percent manganese concretions and 1 percent masses of oxidized iron; fragments; noneffervescent; gradual smooth boundary. Lab sample # 97P03065. Fe masses in root pores.
    Bw—24 to 44 centimeters (9.4 to 17.3 inches); dark gray (10YR 4/1) clay; moderate medium angular blocky structure; 1 percent manganese concretions and 1 percent masses of oxidized iron; fragments; noneffervescent; clear wavy boundary. Lab sample # 97P03066. Root channel - 7.5YR 3/3; Fe masses in root pores.
    Bss1—44 to 96 centimeters (17.3 to 37.8 inches); dark gray (10YR 4/1) clay; moderate medium angular blocky structure; 1 percent manganese concretions; fragments; noneffervescent; gradual wavy boundary. Lab sample # 97P03067
    Bss2—96 to 130 centimeters (37.8 to 51.2 inches); dark gray (5Y 4/1) clay; moderate medium angular blocky structure; 1 percent manganese concretions; fragments; noneffervescent; gradual wavy boundary. Lab sample # 97P03068. Crack fill - 10YR 4/1; Tongues - apparent crack fills as much as 3 cm wide are common.
    BCkss1—130 to 158 centimeters (51.2 to 62.2 inches); dark gray (5Y 4/1) clay; weak medium angular blocky structure; 5 percent carbonate concretions; fragments; slight effervescence; gradual wavy boundary. Lab sample # 97P03069. Crack fill - 10YR 4/1; crack fills are narrower and less common than in the Bss2 horizon.
    BCkss2—158 to 209 centimeters (62.2 to 82.3 inches); dark gray (5Y 4/1) clay; weak medium angular blocky structure; 5 percent carbonate concretions; fragments; slight effervescence; clear wavy boundary. Lab sample # 97P03070. Crack fill - 10YR 4/1; crack fills are narrower and less common than in the Bss2 horizon.
    BCkss3—209 to 234 centimeters (82.3 to 92.1 inches); olive gray (5Y 4/2) clay; weak medium angular blocky structure; 1 percent iron stains; 1 percent manganese concretions; 2 percent carbonate concretions; fragments; slight effervescence. Lab sample # 97P03071. Crack fill - 10YR 4/1.