IDENTIFIERS

  • Current Taxon Name (Soil Name): Friona
  • OSD
  • Series Extent
  • User Site ID: S2012TX079002
  • User Pedon ID: S2012TX079002
  • Vegetation Plot ID: S12TX079002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 12N7773
  • NCSS Pedon Lab Data NASIS Record ID - 55259
  • Print Date: 4/19/2025

    • 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: 33.8194046
  • Std. Longitude: -102.6682129
  • Datum: WGS84
  • State: Texas
  • County: TX079—Cochran
  • MLRA: 77C—Southern High Plains, Southern Part
  • Non-MLRA Soil Survey Area: TX079—Cochran County, Texas
  • 7.5 Minute USGS Quad: 33102-G6—County Line, Texas

    • PEDON

  • Describers Name: MLRA-77 Soil Survey Staff
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Petrocalcic Paleustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Correlated Information:
  • Soil Name - Friona
  • PSC - 20 to 70 cm.
  • Classificaton Date - 3/26/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Friona
  • Classificaton Date - 11/30/2011
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy eolian deposits
  • Landscape: plateau
  • Landform: plain
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Geology: Blackwater Draw Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/30/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • 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

    ACGR

    ARIST

    BOGR2

    CIRSI

    CNTE

    ECTE

    GUSA2

    PRGLT

    SPCR

    YUCCA

    Acacia greggii

    Aristida

    Bouteloua gracilis

    Cirsium

    Cnidoscolus texanus

    Echinocactus texensis

    Gutierrezia sarothrae

    Prosopis glandulosa var. torreyana

    Sporobolus cryptandrus

    Yucca

    catclaw acacia

    threeawn

    blue grama

    thistle

    Texas bullnettle

    horse crippler

    broom snakeweed

    western honey mesquite

    sand dropseed

    yucca

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    petrocalcic

    indurated

    75 - 100

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

    mollic epipedon

    argillic horizon

    petrocalcic horizon

    0—20

    20—75

    75—100

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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

    0.5

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    1133

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    A1—0 to 9 centimeters (0.0 to 3.5 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; loam; 21 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 5.0 medium roots throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.
    A2—9 to 20 centimeters (3.5 to 7.9 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; sandy clay loam; 23 percent clay; weak coarse prismatic parts to moderate coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.
    Bt1—20 to 28 centimeters (7.9 to 11.0 inches); reddish brown (5YR 5/3), reddish brown (5YR 4/3), moist; sandy clay loam; 25 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 fine roots throughout; 10 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. discontinuous - phpvsfiid 821273; discontinuous - phpvsfiid 821273
    Bt2—28 to 59 centimeters (11.0 to 23.2 inches); reddish brown (5YR 5/3), reddish brown (5YR 4/3), moist; sandy clay loam; 26 percent clay; weak medium prismatic parts to strong medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; 2.0 very fine roots throughout and 1.0 fine roots throughout; 35 percent distinct clay films on all faces of peds; 1 percent by volume nonflat subangular indurated 2-8-20 millimeter petrocalcic fragments fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. continuous - phpvsfiid 821274; continuous - phpvsfiid 821274
    Bt3—59 to 75 centimeters (23.2 to 29.5 inches); yellowish red (5YR 4/6), dark reddish brown (5YR 3/4), moist; sandy clay loam; 26 percent clay; moderate medium subangular blocky structure; hard, very firm, moderately sticky, very plastic; 2.0 very fine roots throughout; 20 percent distinct clay films on all faces of peds; 2 percent fine irregular weakly coherent cemented carbonate nodules in matrix; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. continuous - phpvsfiid 821275; continuous - phpvsfiid 821275
    Bkkm—75 to 100 centimeters (29.5 to 39.4 inches); 7.5YR (7.5YR/), cemented material; structureless massive; carbonates present; fragments; violent effervescence, by hcl, 1n.