*** Primary Characterization Data ***
Pedon ID: 90CA109109( Tuolumne, California )Print Date: Dec 8 2025 5:14PM

Sampled as on Jul 30, 1990:Sites ; Clayey, oxidic Xeric Haplohumults
Revised to correlated on Dec 9, 2018:Sites ; Fine, parasesquic, mesic Xeric Haplohumults
United States Department of Agriculture
SSL-ProjectRP91CA174   STANISLAUSE NFNatural Resources Conservation Service
-Site IDS1990CA109109   Lat: 37° 56' 0.00" north  Long: 120° 1' 0.01" west  MLRA: 22ANational Soil Survey Center
-Pedon No. 91P0727Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P04111AA0-18L L
91P04112BABA18-46SICL CL
91P04113Bt1Bt146-76SICL CL
91P04114Bt2Bt276-147SICL C
91P04115BtcBtC147-178SICL CL
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.44(NA)
Clay, total, Weighted Average33% wt
Weighted Particles, 0.1-75mm, 75 mm Base34% wt
Clay, carbonate free, Weighted Average33% wt
 
Weighted averages based on control section: 10-61 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P041110-18ASl24.137.238.722.414.813.411.26.35.22.644174430
91P0411218-46BAScl32.535.831.720.215.611.49.95.33.51.65483417
91P0411346-76Bt1Scl38.232.329.518.713.610.28.84.63.42.52tr92811
91P0411476-147Bt2Sc42.031.726.318.812.99.27.94.22.92.121--2012
91P04115147-178BtcScl30.936.432.721.115.313.49.84.53.11.9------199


*** Primary Characterization Data ***
Pedon ID: 90CA109109( Tuolumne, California )Print Date: Dec 8 2025 5:14PM
Sampled As:SitesClayey, oxidic Xeric Haplohumults
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0727
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%
3C2a1a3D18D18D1
 
91P041110-18AS18.51.0400.930.77
91P0411218-46BAS18.11.0300.380.56
91P0411346-76Bt1S18.91.0290.290.49
91P0411476-147Bt2S19.11.0310.210.45
91P04115147-178BtcS17.51.0330.320.57
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 - - - - -)
6B3a6A1c
 
91P041110-18AS0.1530.19
91P0411218-46BAS0.0661.33
91P0411346-76Bt1S0.0330.58
91P0411476-147Bt2S0.30
91P04115147-178BtcS0.18
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a6G9b6D35A3a5A8b5C35C1
 
91P041110-18AS6.20.8--0.47.422.529.922.32533
91P0411218-46BAS3.40.9--0.44.713.818.512.52538
91P0411346-76Bt1S2.51.0--0.64.19.413.511.23037
91P0411476-147Bt2S1.70.9--0.53.19.312.48.92535
91P04115147-178BtcS0.50.2--0.31.09.8--tr10.89.8910


*** Primary Characterization Data ***
Pedon ID: 90CA109109( Tuolumne, California )Print Date: Dec 8 2025 5:14PM
Sampled As:SitesClayey, oxidic Xeric Haplohumults
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0727
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 - -)%
 
91P041110-18AS--
91P0411218-46BAS--
91P0411346-76Bt1S--
91P0411476-147Bt2S--
91P04115147-178BtcS--
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
4C1a2a4C1a2a
 
91P041110-18AS5.15.6
91P0411218-46BAS5.15.9
91P0411346-76Bt1S5.45.5
91P0411476-147Bt2S5.35.7
91P04115147-178BtcS4.85.5
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 - - - - - - - - - - - - - - - - - - - -)
6S3
 
91P041110-18AS1.0
91P0411218-46BAS--
91P0411346-76Bt1S--


*** Primary Characterization Data ***
Pedon ID: 90CA109109( Tuolumne, California )Print Date: Dec 8 2025 5:14PM
Sampled As:SitesClayey, oxidic Xeric Haplohumults
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0727
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
DepthFract7A2i 7C3 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
91P0411346.0-76.0Bt1tclyGI 3KK 3HE 2GE 2 3314.3 0.2

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
GE GoethiteGI GibbsiteHE HematiteKK Kaolinite

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


*** Primary Characterization Data ***
Pedon ID: 90CA109109( Tuolumne, California )Print Date: Dec 8 2025 5:14PM
Sampled As:SitesClayey, oxidic Xeric Haplohumults
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0727
Sand - Silt Mineralogy (2.0-0.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalOpticalEGMEInter
Tot ReGrain CountRetnpreta
DepthFract 7B1a2 tion
Layer(cm)Horzion( - - - - - - - - peak size - - - - - - - - - )(- - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) mg g-1
91P0411346.0-76.0Bt1vfs 57QZ 36OW 23QC 13BT 13OP 7FD 6
TM 1FP 1AM trPR trGC trMS tr
FK trGS trKK tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm

MINERAL INTERPRETATION:
AM AmphiboleBT BiotiteFD FeldsparFK Potassium FeldsparFP Plagioclase Feldspar
GC Glass Coated GrainGS GlassKK KaoliniteMS MuscoviteOP Opaques
OW Other Weatherable MineralsPR PyroxeneQC Clay-Coated QuartzQZ QuartzTM Tourmaline
NSSC SSL Report Creation