*** Primary Characterization Data ***
Pedon ID: S2018TX269003( King, Texas )Print Date: Dec 5 2025 10:38PM

Sampled as on Aug 14, 2018:Quinlan ; Loamy, mixed, superactive, thermic, shallow Typic Haplustept
Revised to :
United States Department of Agriculture
SSL-ProjectC2018USTX107   MLRA 78B Quinlan Cottonwood Rock outcrop complexNatural Resources Conservation Service
-Site IDS2018TX269003   Lat: 33° 36' 11.20" north  Long: 100° 25' 54.90" west  MLRA: 78BNational Soil Survey Center
-Pedon No. 18N2878Kellogg Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
18N06859AA0-18S2018TX269003-1L VFSL
18N06860BkBk18-38S2018TX269003-2L VFSL
Pedon Calculations
Calculation NameResultUnits of Measure
 
Weighted Particles, 0.1-75mm, 75 mm Base30% wt
Volume, >2mm, Weighted Average2% vol
Clay, carbonate free, set 2, Weighted Average9% wt
Clay, total, set 2, Weighted Average9% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 70.82(NA)
 
Weighted averages based on control section: 0-30 cm
PSDA  &  Rock Fragments-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
 
(- - - - - Total - - - - - -)(- - Clay - - -)(- - - - Silt - - - - -)(- - - - - - - - - - - - Sand - - - - - - - - - - - -)( Rock Fragments   (mm) )
LabClaySiltSandFineCO3FineCoarseVFFMCVC(- - - - - - - - Weight - - - - - - - -)>2 mm
Text-<.002.05<<.002.02.05.10.25.512520.1-wt %
Depthure.002-.05-2.0002.002-.02-.05-.10-.25-.50-1-2-5-20-7575whole
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)(- - - - - - - % of <75mm - - - - - -)soil
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a
 
18N068590-18ASvfsl9.622.867.6--5.617.239.924.13.30.20.111--292
18N0686018-38BkSvfsl9.223.267.6--6.516.739.724.03.30.30.3121314
Bulk Density  &  Moisture-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(Bulk Density)Cole(- - - - - - - - - - - Water Content - - - - - - - - - - -)( Air Dry-Oven Dry )WRDAggst
33OvenWhole6103315001500 kPa(- - - - Ratio - - - -)WholeStabl(- - Ratio/Clay - -)
DepthkPaDrySoilkPakPakPakPaMoistCorrectedSoil2-0.5mm CEC71500 kPa
Layer(cm)HorzPrep (- - - g cm-3 - - -) (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) cm3 cm-3%
DbWR1DbWR1DbWR13C2a1a3D1
 
18N068590-18AS1.541.580.00810.64.41.0090.090.810.46
18N0686018-38BkS1.501.550.0119.04.41.0090.070.840.48


*** Primary Characterization Data ***
Pedon ID: S2018TX269003( King, Texas )Print Date: Dec 5 2025 10:38PM
Sampled As:QuinlanLoamy, mixed, superactive, thermic, shallow Typic Haplustept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  18N2878
Carbon  &  Extractions-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19-
 
(- - - - - Total - - - - -)EstOCC/N(- - - Dith-Cit Ext - - -)(- - - - - - Ammonium Oxalate Extraction - - - - - -)(- - - Na Pyro-Phosphate - - -)
DepthCNSOC(WB)RatioFeAlMnAl+½FeODOEFeAlSiMnCFeAlMn
Layer(cm)HorzPrep(- - - - - - - - - - % of <2 mm - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)mg kg-1(- - - - - - % of < 2mm - - - - -)
4H2a4H2a4H2a
 
18N068590-18AS1.080.100.010.99
18N0686018-38BkS1.190.090.010.78
CEC  &  Bases-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- - - - - - NH4OAC Extractable Bases - - - - -)CEC8CEC7ECEC(- - - - Base - - - -)
SumAcid-ExtrKClSumNH4BasesAl(- Saturation -)
DepthCaMgNaKBasesityAlMnCatsOAC+AlSatSumNH4OAC
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)mg kg-1(- - - - cmol(+) kg-1 - - -)(- - - - - - - - % - - - - - - - -)
4B1a1a4B1a1a4B1a1a4B1a1a4B1a1a
 
18N068590-18AS22.0*1.7--0.424.17.8100
18N0686018-38BkS35.5*2.0tr0.237.77.7100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.
Salt-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19--20-
 
(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)1:2
TotalElecElecExch
DepthCaMgNaKCO3HCO3FClPO4BrOACSO4NO2NO3H2OSaltsCondCondNaSAR
Layer(cm)HorzPrep(- - - - - mmol(+) L-1 - - - - -)(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)(- - - - % - - - -)(- - dS m-1 - -)%
4F1a1a1
 
18N068590-18AS0.22--
18N0686018-38BkS0.20tr
pH  &  Carbonates-1--2--3--4--5--6--7--8--9--10--11-
 
(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)(- - Carbonate - -)(- - Gypsum - - -)
CaCl2As CaCO3As CaSO4*2H2OResist
Depth0.01MH2OSat<2mm<20mm<2mm<20mmohms
Layer(cm)HorzPrepKCl1:21:1PasteOxidNaF(- - - - - - - - - - - - % - - - - - - - - - - -)cm-1
4C1a2a4C1a2a4E1a1a1a1
 
18N068590-18AS7.78.12
18N0686018-38BkS7.78.14


*** Primary Characterization Data ***
Pedon ID: S2018TX269003( King, Texas )Print Date: Dec 5 2025 10:38PM
Sampled As:QuinlanLoamy, mixed, superactive, thermic, shallow Typic Haplustept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  18N2878
Phosphorous-1--2--3--4--5--6--7--8--9--10--11--12-
 
(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)KCl
MelanicNZAcidAnion Exch ResinBrayBrayOlsenH2OCitricMehlichExtr
DepthIndexOxalAvailableCapacity12AcidIIINO3
Layer(cm)HorzPrep%(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)
4D5a1
 
18N068590-18AS1.6
18N0686018-38BkS0.8


*** Primary Characterization Data ***
Pedon ID: S2018TX269003( King, Texas )Print Date: Dec 5 2025 10:38PM
Sampled As:QuinlanLoamy, mixed, superactive, thermic, shallow Typic Haplustept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  18N2878
Clay Mineralogy (<.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalElementalEGMEInter
SiO2Al2O3Fe2O3MgOCaOK2ONa2ORetnpreta
DepthFract7A1b1 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
18N0686018.0-38.0BktclyMI 2VR 2KK 2MM 1CA 1 CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA CalciteKK KaoliniteMI MicaMM Montmorillonite-MicaVR Vermiculite

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay
NSSC SSL Report Creation