*** Primary Characterization Data ***
Pedon ID: S1973CA087003( Santa Cruz, California )Print Date: Dec 17 2024 8:05PM

Sampled as on May 30, 1973:Ben Lomond
Revised to correlated:BEN LOMOND ; Coarse-loamy, mixed Pachic Ultic Haploxerolls
United States Department of Agriculture
SSL-ProjectNL73CA003   ALAMEDA-SNT CRUZNatural Resources Conservation Service
-Site IDS1973CA087003     MLRA: 14National Soil Survey Center
-Pedon No. 73C0024Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866

LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
73C00163A1A110-773163L FSL
73C00164A2A127-2573164L FSL
73C00165Bt1B1 t25-4073165L FSL
73C00166Bt21B21t40-7173166L FSL
73C00167Bt22B22t71-8773167FSL FSL
73C00168Bt23B3 t87-13273168FSL FSL
73C00169CC132-14073169FSL

Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.82(NA)
Clay, carbonate free, Weighted Average9% wt
Weighted Particles, 0.1-75mm, 75 mm Base59% wt
Volume, >2mm, Weighted Average27% vol
Clay, total, Weighted Average9% wt
 
Weighted averages based on control section: 25-75 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
73C001630-7A1Sfsl6.930.562.61.212.318.223.630.74.62.41.312--417
73C001647-25A2Sfsl8.130.761.213.317.424.429.84.42.30.31----374
73C0016525-40Bt1Sfsl8.730.760.613.916.825.828.94.01.70.2tr--255131
73C0016640-71Bt21Sfsl9.729.460.91.94.524.923.129.65.22.70.3tr--406344
73C0016771-87Bt22Sfsl9.630.060.410.619.423.130.14.62.20.4tr--376044
73C0016887-132Bt23Sfsl9.227.163.713.213.928.128.14.82.60.1--7487160
73C00169132-140CSfsl4.824.970.318.46.524.134.18.23.80.1--2155517


*** Primary Characterization Data ***
Pedon ID: S1973CA087003( Santa Cruz, California )Print Date: Dec 17 2024 8:05PM
Sampled As:Ben Lomond
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0024

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
 
73C001630-7A1S6.71.0181.680.97
73C001647-25A2S1.541.570.00618.416.74.81.0180.181.010.59
73C0016525-40Bt1S1.471.510.00720.718.15.61.0180.150.910.64
73C0016640-71Bt21S1.441.480.00618.715.95.71.0180.100.770.59
73C0016771-87Bt22S1.521.570.00719.816.76.11.0180.110.860.64
73C0016887-132Bt23S1.761.810.00516.714.46.51.0180.070.970.71
73C00169132-140CS1.781.850.01117.115.55.41.0180.161.481.13

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
 
73C001630-7A1S0.1392.2816
73C001647-25A2S0.0720.7210
73C0016525-40Bt1S0.0560.428
73C0016640-71Bt21S0.0450.317
73C0016771-87Bt22S0.0420.266
73C0016887-132Bt23S0.0390.205


*** Primary Characterization Data ***
Pedon ID: S1973CA087003( Santa Cruz, California )Print Date: Dec 17 2024 8:05PM
Sampled As:Ben Lomond
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0024

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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a6G9b5A3a5A8b5A3b5G15C35C1
 
73C001630-7A1S8.41.50.40.410.72.313.011.68292
73C001647-25A2S4.91.20.40.46.94.311.28.26284
73C0016525-40Bt1S4.21.10.30.46.00.80.26.87.96.238876
73C0016640-71Bt21S4.21.60.40.36.51.60.78.17.57.2108087
73C0016771-87Bt22S4.12.10.40.26.81.60.88.48.37.6118182
73C0016887-132Bt23S3.82.60.40.27.02.01.09.08.98.0137879
73C00169132-140CS3.12.70.40.16.30.80.77.17.17.0108989

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 - -)%
 
73C001630-7A1S3
73C001647-25A2S5
73C0016525-40Bt1S4
73C0016640-71Bt21S5
73C0016771-87Bt22S5
73C0016887-132Bt23S4
73C00169132-140CS6


*** Primary Characterization Data ***
Pedon ID: S1973CA087003( Santa Cruz, California )Print Date: Dec 17 2024 8:05PM
Sampled As:Ben Lomond
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0024

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
 
73C001630-7A1S5.56.0
73C001647-25A2S5.15.7
73C0016525-40Bt1S4.75.4
73C0016640-71Bt21S4.45.2
73C0016771-87Bt22S4.35.0
73C0016887-132Bt23S4.24.9
73C00169132-140CS4.24.9

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
 
73C001630-7A1S5.2
73C001647-25A2S5.0
73C0016525-40Bt1S4.9
73C0016640-71Bt21S4.9


*** Primary Characterization Data ***
Pedon ID: S1973CA087003( Santa Cruz, California )Print Date: Dec 17 2024 8:05PM
Sampled As:Ben Lomond
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0024

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
73C001630.0-7.0A1tclyMI 1NX 6
73C0016640.0-71.0Bt21tclyVR 1MI 1NX 6

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
MI MicaNX Non-CrystallineVR Vermiculite

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