IDENTIFIERS

  • Current Taxon Name (Soil Name): Robco
  • OSD
  • Series Extent
  • User Site ID: 68TX021002
  • User Pedon ID: 68TX021002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - LIMS
  • Lab Pedon # - 40A4592
  • NCSS Pedon Lab Data NASIS Record ID - 40744
  • Print Date: 4/14/2025

    • 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: 30.2936111
  • Std. Longitude: -97.2183333
  • Datum: WGS84

    • PEDON

  • Describers Name: Soil Survey Staff
  • Current Taxonomic Class: Loamy, siliceous, active, thermic Aquic Arenic Paleustalfs
  • Current Taxon Kind: family
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: 1979 Bastrop County Soil Survey
  • Correlated Information:
  • Soil Name - Robco
  • PSC - 102 to 152 cm.
  • Classificaton Date - 5/19/2016
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/15/2014 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    E

    B

    Bt

    Btg

    Bg

    0

    25

    71

    102

    142

    178

    25

    71

    102

    142

    178

    203

    40A35006

    40A35007

    40A35008

    40A35009

    40A35010

    40A35011

    KSSL

    KSSL

    KSSL

    KSSL

    KSSL

    KSSL

    —

    —

    19.3

    36

    —

    —

    —

    —

    0

    0

    —

    —

    —

    —

    15.9

    19.2

    —

    —

    —

    —

    6.7

    9.2

    —

    —

    —

    —

    9.2

    10

    —

    —

    —

    —

    64.8

    36

    —

    —

    —

    —

    sieves

    sieves

    —

    —

    —

    —

    0.4

    0.8

    —

    —

    —

    —

    4.5

    2.5

    —

    —

    —

    —

    12.3

    4.5

    —

    —

    —

    —

    34.9

    21.2

    —

    —

    —

    —

    12.7

    15.8

    —

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    —

    —

    270 mesh sieve

    270 mesh sieve

    —

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    fsl

    cl

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    4.8

    5

    4.9

    4.7
    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    E

    B

    Bt

    Btg

    Bg

    0

    25

    71

    102

    142

    178

    25

    71

    102

    142

    178

    203

    40A35006

    40A35007

    40A35008

    40A35009

    40A35010

    40A35011

    —

    —

    4

    3.9

    3.9

    3.8

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    1.9

    5.6

    —

    —

    —

    —

    0.3

    0.2

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    4

    4.3

    —

    —

    —

    —

    38

    —

    —

    —

    —

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    4.8

    9.4

    —

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    6.4

    —

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    —
    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    E

    B

    Bt

    Btg

    Bg

    0

    25

    71

    102

    142

    178

    25

    71

    102

    142

    178

    203

    40A35006

    40A35007

    40A35008

    40A35009

    40A35010

    40A35011

    —

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    3.4

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    4

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    29

    1.2

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

    ochric epipedon

    argillic horizon

    reduced matrix

    0—71

    102—178

    142—203

    —71—

    —76—

    —61—
    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

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    A—0 to 25 centimeters (0.0 to 9.8 inches); fragments. Lab sample # 40A35006
    E—25 to 71 centimeters (9.8 to 28.0 inches); fragments. Lab sample # 40A35007
    B—71 to 102 centimeters (28.0 to 40.2 inches); fine sandy loam; fragments. Lab sample # 40A35008
    Bt—102 to 142 centimeters (40.2 to 55.9 inches); clay loam; fragments. Lab sample # 40A35009
    Btg—142 to 178 centimeters (55.9 to 70.1 inches); fragments. Lab sample # 40A35010
    Bg—178 to 203 centimeters (70.1 to 79.9 inches); fragments. Lab sample # 40A35011