*** Taxonomy Characterization Data ***

Pedon ID: S1972CA055008

( Napa, California )

Print Date: Nov 12 2024 12:33AM

Sampled as on Nov 15, 1972:	Forward
Revised to correlated:	FORWARD ; Ashy, mixed, mesic Typic Vitrixerands

				United States Department of Agriculture
SSL	-	Project	NL72CA014   NAPA CO.	Natural Resources Conservation Service
	-	Site ID	S1972CA055008   Lat: 38° 33' 50.00" north  Long: 122° 26' 14.01" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	72C0150	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
72C00917	0-10	A	S	13.0			0.77		38	0.90	0.014	6
72C00918	10-25	B1	S	12.6			0.60		37	1.13	0.008	7
72C00919	25-43	B21	S	12.4			0.56		36	1.15	0.011	6
72C00920	43-66	B22	S	12.2			0.59		37	1.12	0.008	9
72C00921	66-89	C1	S	13.6			0.57		46	1.16	0.005	16
72C00922	89-114	C2	S	16.8			0.53		62	1.26	--	33
72C00923	114-124	C3	S	14.0			0.59		57	1.24	0.006	27

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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					5C1	5C3		5A3b	8D1		5G1		5D2
72C00917	0-10	A	S	6.1		3.26					100*	77		19.9	1.45	1.53	1		2
72C00918	10-25	B1	S	5.7		1.00					84	75		8.9	0.83	0.71	1		3
72C00919	25-43	B21	S	5.1		0.53					64	49		6.6	0.69	0.53	18		6
72C00920	43-66	B22	S	5.1		0.31					65	55		6.2	0.65	0.51	18		5
72C00921	66-89	C1	S	4.9		0.23					68	60		6.4	0.60	0.47	13		5
72C00922	89-114	C2	S	4.8		0.26					73	63		6.6	0.46	0.39	14		5
72C00923	114-124	C3	S	4.9							66	55		5.9	0.50	0.42	22		7

^*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	0.62	(NA)
Clay, carbonate free, Weighted Average	13	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	43	% wt
Volume, >2mm, Weighted Average	14	% vol
Clay, total, Weighted Average	13	% wt
LE, Whole Soil, Summed to 1m	1	cm/m
Weighted averages based on control section: 25-100 cm