*** Taxonomy Characterization Data ***

Pedon ID: S1972CA055006

( Napa, California )

Print Date: Nov 21 2024 12:16PM

Sampled as on Nov 14, 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	S1972CA055006   Lat: 38° 35' 44.00" north  Long: 122° 26' 35.00" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	72C0148	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
72C00904	0-10	A1	S	26.3			0.76		35			4
72C00905	10-38	A2	S	32.5			0.61		30	1.13	0.022	4
72C00906	38-71	Bt11	S	34.5			0.65		35	1.29	0.021	7
72C00907	71-104	Bt12	S	33.1			0.75		53	0.85	0.034	16
72C00908	104-142	Bt2	S	31.6			0.79		63			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					5C1	5C3		5A3b	8D1		5G1		5D2
72C00904	0-10	A1	S	5.8		3.85					71	56		23.2	1.23	0.88	1		1
72C00905	10-38	A2	S	5.7		2.26					45	40		13.8	0.91	0.42	2		1
72C00906	38-71	Bt11	S	5.4		0.83					47	44		12.8	0.74	0.37	7		2
72C00907	71-104	Bt12	S	5.3		0.39					57	56		16.7	0.87	0.50	2		1
72C00908	104-142	Bt2	S	5.0		0.30					58	47		14.8	0.72	0.47	11		2
72C00909	142-152	R	GP	5.4

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.78	(NA)
Clay, carbonate free, Weighted Average	34	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	41	% wt
Volume, >2mm, Weighted Average	10	% vol
Clay, total, Weighted Average	34	% wt
Weighted averages based on control section: 38-88 cm