*** Taxonomy Characterization Data ***

Pedon ID: S1972CA055004

( Napa, California )

Print Date: Nov 21 2024 12:55PM

Sampled as on Nov 13, 1972:	Red Hill
Revised to correlated:	RED HILL ; Fine-loamy, mixed, mesic Ultic Argixerolls

				United States Department of Agriculture
SSL	-	Project	NL72CA014   NAPA CO.	Natural Resources Conservation Service
	-	Site ID	S1972CA055004   Lat: 38° 34' 13.00" north  Long: 122° 25' 53.00" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	72C0146	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
72C00890	0-5	A1	S	25.7			0.77		37	0.89	0.025	4
72C00891	5-20	A2	S	31.2			0.65		25	1.21	0.013	1
72C00892	20-36	Bt11	S	34.5			0.61		22	1.33	0.027	1
72C00893	36-51	Bt12	S	40.6			0.61		19	1.40	0.037	--
72C00894	51-69	Bt13	S	50.1			0.59		17	1.33	0.046	--
72C00895	69-89	Bt21	S	46.9			0.71		21	0.84	0.038	1
72C00896	89-112	Bt22	S	42.5			0.68		33	1.11	0.041	4

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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
72C00890	0-5	A1	S	5.4		5.67					55	46		17.4	1.21	0.68	1		1
72C00891	5-20	A2	S	5.7		2.39					37	34		9.9	0.84	0.32	3		1
72C00892	20-36	Bt11	S	5.5		0.87					42	42		8.5	0.59	0.25	1		1
72C00893	36-51	Bt12	S	5.4		0.64					45	37		7.2	0.39	0.18	3		1
72C00894	51-69	Bt13	S	4.9		0.38					36	38		7.6	0.40	0.15	7		2
72C00895	69-89	Bt21	S	5.2		0.28					33	32		6.2	0.36	0.13	10		4
72C00896	89-112	Bt22	S	5.2		0.21					33	34		7.5	0.48	0.18	12		3
72C00897	112-150	R	S	5.3

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.45	(NA)
Clay, carbonate free, Weighted Average	42	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	19	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	42	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 20-70 cm