*** Taxonomy Characterization Data ***

Pedon ID: S1973CA079001

( San Luis Obispo, California )

Print Date: Feb 16 2025 5:11AM

Sampled as on May 30, 1973:	Zaca
Revised to correlated:	ZACA ; Very-fine, smectitic Vertic Haploxerolls

				United States Department of Agriculture
SSL	-	Project	NL73CA004   PASO ROBLES	Natural Resources Conservation Service
	-	Site ID	S1973CA079001   Lat: 35° 37' 23.00" north  Long: 120° 52' 13.00" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	73C0029	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a			8D1			4A1d
73C00195	0-8	A1	S	59.9			0.63		6	0.80	0.122	--
73C00196	8-35	A2	S	65.5			0.50		4	1.09	0.081	1
73C00197	35-55	A3	S	64.7			0.51		3	0.99	0.095	tr
73C00198	55-91	A4	S	64.9			0.50		3	1.02	0.119	tr
73C00199	91-118	AC	S	54.2			0.60		13	0.92	0.086	3
73C00200	118-140	C1	S	48.9			0.61		12	0.97	0.082	4
73C00201	140-159	C2	S	40.5			0.71		45			25

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Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				4C1a2a		6A1c				6E1g	5C1	5C3			8D1			8A3a	5D2
73C00195	0-8	A1	S	6.8		7.78					100*	100			1.10			1.03	1
73C00196	8-35	A2	S	6.2		2.13					97	100			0.86			0.56	1
73C00197	35-55	A3	S	6.4		2.19					100*	100			0.87			0.44	1
73C00198	55-91	A4	S	7.1		1.52					100*	100			0.85			0.47	1
73C00199	91-118	AC	S	7.5		1.13				3	100*	100			0.91			0.45	1
73C00200	118-140	C1	S	7.6		1.02				19	100*	100			0.81			0.42	1
73C00201	140-159	C2	S	7.8		0.89				32	100*	100			0.81			0.45	1

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.86	(NA)
Clay, carbonate free, Weighted Average	64	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	64	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 25-100 cm