*** Taxonomy Characterization Data ***

Pedon ID: S1972CA049016

( Modoc, California )

Print Date: Dec 4 2024 12:57PM

Sampled as on Sep 9, 1972:	Exel
Revised to correlated:	EXEL ; Fine-loamy, mixed Xeric Argidurids

				United States Department of Agriculture
SSL	-	Project	NL72CA012   NE CALIF	Natural Resources Conservation Service
	-	Site ID	S1972CA049016   Lat: 41° 33' 42.01" north  Long: 120° 23' 41.99" west  MLRA: 21	National Soil Survey Center
	-	Pedon No.	72C0111	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
72C00651	0-13	A1	S	13.2			0.69		50	1.43	0.015	6
72C00652	13-28	A2	S	18.0			0.56		45	1.41	0.018	4
72C00653	28-43	Bt11	S	20.1			0.57		43	1.36	0.032	4
72C00654	43-64	Bt12	S	22.1			0.52		47	1.48	0.034	12
72C00655	64-76	Bt2	S	35.2			0.57		75	1.13	0.041	46
72C00656	76-89	Bqm1	S	26.5			0.96		81			54
72C00657	89-108	Bqm2	S	6.4			2.89		96			83
72C00658	108-120	Bqm3	S	10.1			1.53		92			86
72C00659	0-13	A1	S	15.5			0.63		52			53

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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			8D1				5D2
72C00651	0-13	A1	S	6.3		1.30					99	100			1.30				2
72C00652	13-28	A2	S	6.4		0.65					100*	100			1.03				3
72C00653	28-43	Bt11	S	6.5		0.56					100*	100			0.98				3
72C00654	43-64	Bt12	S	6.5		0.47					100*	100			0.93				3
72C00655	64-76	Bt2	S	6.5		0.42					100*	100			1.01				3
72C00656	76-89	Bqm1	S	6.8		0.28					100*	100			1.91				3
72C00657	89-108	Bqm2	S	7.3		0.12					100*	100			6.22				4
72C00658	108-120	Bqm3	S	6.9							100*	100			2.64				5
72C00659	0-13	A1	S	6.3							100*	100			1.15				3

^*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	0.97	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	53	% wt
Volume, >2mm, Weighted Average	18	% vol
Clay, total, Weighted Average	25	% wt
Weighted averages based on control section: 28-76 cm