*** Primary Characterization Data ***
Pedon ID: S1972CA013006( Contra Costa, California )Print Date: Nov 21 2024 11:23AM

Sampled as on Apr 11, 1972:Los Osos
Revised to correlated:unnamed ; Fine, mixed, thermic Typic Argixerolls
United States Department of Agriculture
SSL-ProjectNL71CA001   CONTRA COSTA ARENatural Resources Conservation Service
-Site IDS1972CA013006   National Soil Survey Center
-Pedon No. 72C0008Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
72C00051AA10-187251CL L
72C00052Bt1B21t18-387252C CL
72C00053Bt2B22t38-587253C SICL
72C00054BB358-847254C SIL
72C000552C12 C 184-1097255SIL
72C000562C22 C 2109-1607256SICL
72C000572C32 C 3160-1837257SICL
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average1.15(NA)
Clay, carbonate free, Weighted Average34% wt
Volume, >2mm, Weighted Average0% vol
Clay, total, Weighted Average34% wt
LE, Whole Soil, Summed to 1m7cm/m
 
Weighted averages based on control section: 18-68 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a
 
72C000510-18AGPl25.138.036.914.820.817.216.116.13.11.30.3
72C0005218-38Bt1GPcl38.139.822.124.914.911.68.01.70.60.2
72C0005338-58Bt2GPsicl34.049.916.114.930.619.311.53.80.50.20.1
72C0005458-84BGPsil24.456.119.58.134.122.017.51.30.50.10.1
72C0005584-1092C1GPsil18.353.827.96.729.824.024.62.90.30.1--
72C00056109-1602C2GPsicl30.664.45.044.519.94.40.50.1----
72C00057160-1832C3GPsicl28.468.63.051.117.52.40.40.10.1--


*** Primary Characterization Data ***
Pedon ID: S1972CA013006( Contra Costa, California )Print Date: Nov 21 2024 11:23AM
Sampled As:Los Osos
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  72C0008
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%
4A1d4A1h4B1c4B1c3C2a1a3D14C18D18D1
 
72C000510-18AS1.561.720.03324.421.70.160.980.47
72C000510-18AGP11.71.038
72C0005218-38Bt1S1.441.890.09530.126.40.150.960.41
72C0005218-38Bt1GP15.81.038
72C0005338-58Bt2S1.481.880.08328.925.90.141.160.48
72C0005338-58Bt2GP16.21.038
72C0005458-84BS1.481.820.07128.425.80.161.520.62
72C0005458-84BGP15.11.038
72C0005584-1092C1S1.481.820.07127.024.80.171.770.74
72C0005584-1092C1GP13.51.038
72C00056109-1602C2S1.501.880.07825.824.20.131.140.50
72C00056109-1602C2GP15.21.038
72C00057160-1832C3S1.651.910.05022.320.90.101.190.52
72C00057160-1832C3GP14.71.038
Water Content-1--2--3--4--5--6--7--8--9--10--11--12--13-
 
(- - Atterberg - -)(- - - - - Bulk Density - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
(- - - Limits - - -)FieldReconReconFieldRecon(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
LLPI33Oven3361033100200500
DepthkPaDrykPakPakPakPakPakPakPa
Layer(cm)HorzPreppct <0.4mm(- - - - - - - - g cm-3 - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
4F14F
 
72C000510-18AGP32.4719812
72C0005218-38Bt1GP40.6719821
72C0005338-58Bt2GP46.8589923
72C0005458-84BGP39.9199816
72C0005584-1092C1GP36.9629512
72C00057160-1832C3GP39.9599513


*** Primary Characterization Data ***
Pedon ID: S1972CA013006( Contra Costa, California )Print Date: Nov 21 2024 11:23AM
Sampled As:Los Osos
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  72C0008
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
 
72C000510-18AGP0.1331.5111
72C0005218-38Bt1GP0.0360.3710
72C0005338-58Bt2GP0.0250.2711
72C0005458-84BGP0.17
72C0005584-1092C1GP0.13
72C00056109-1602C2GP0.18
72C00057160-1832C3GP0.26
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a5A3a5A8b5C35C1
 
72C000510-18AGP9.211.40.60.521.76.628.324.77788
72C0005218-38Bt1GP10.620.20.80.532.14.236.336.48888
72C0005338-58Bt2GP12.821.50.80.535.62.638.239.69390
72C0005458-84BGP17.3*20.61.00.437.0100100
72C0005584-1092C1GP11.817.70.90.430.830.832.410095
72C00056109-1602C2GP12.518.20.90.532.11.333.434.89692
72C00057160-1832C3GP15.8*17.70.80.51.733.995100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.


*** Primary Characterization Data ***
Pedon ID: S1972CA013006( Contra Costa, California )Print Date: Nov 21 2024 11:23AM
Sampled As:Los Osos
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  72C0008
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 - -)%
 
72C000510-18AGP2
72C0005218-38Bt1GP2
72C0005338-58Bt2GP2
72C0005458-84BGP3
72C0005584-1092C1GP3
72C00056109-1602C2GP3
72C00057160-1832C3GP2
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
4C1a2a4C1a2a6E1g
 
72C000510-18AGP5.36.0
72C0005218-38Bt1GP5.76.2
72C0005338-58Bt2GP6.56.9
72C0005458-84BGP7.78.21
72C0005584-1092C1GP7.68.2
72C00056109-1602C2GP7.47.8
72C00057160-1832C3GP7.57.91


*** Primary Characterization Data ***
Pedon ID: S1972CA013006( Contra Costa, California )Print Date: Nov 21 2024 11:23AM
Sampled As:Los Osos
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  72C0008
Miscellaneous Data-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- Sat Paste Ex. -)(- Sand -)( Water Content )Bulk
(- - - - Extractable Bases - - - -)(- - - CEC8 - - -)CO3+(- - - pH - - -)M+C+VCMoist SievedDensity
DepthCaMgNaKNaOACBaCl2Ca+MgHCO3CaCl2H2O.25-2100 kPa200 kPa10 kPa
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)mmol(+)L-1mmol(-)L-11:101:10(- - - - - % of <2mm - - - - -)g cm-3
NK
 
72C000510-18AGP8.2
72C0005218-38Bt1GP8.2
72C0005338-58Bt2GP7.8
72C0005458-84BGP7.9
72C0005584-1092C1GP6.4
72C00056109-1602C2GP6.6


*** Primary Characterization Data ***
Pedon ID: S1972CA013006( Contra Costa, California )Print Date: Nov 21 2024 11:23AM
Sampled As:Los Osos
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  72C0008
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 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
72C000510.0-18.0AfclyMT 4
72C000510.0-18.0AtclyMM 3
72C0005338.0-58.0Bt2fclyMT 5KK 1
72C0005338.0-58.0Bt2tclyMT 4MI 2KK 2
72C0005458.0-84.0BfclyMT 5
72C0005458.0-84.0BtclyMM 4MI 2KK 1
72C0005584.0-109.02C1fclyMT 5
72C0005584.0-109.02C1tclyMT 4MI 1KK 1

FRACTION INTERPRETATION:
fcly - Fine Clay <0.0002 mmtcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK KaoliniteMI MicaMM Montmorillonite-MicaMT Montmorillonite

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks
NSSC SSL Report Creation