*** Taxonomy Characterization Data ***

Pedon ID: S1972CA049024

( Modoc, California )

Print Date: Dec 12 2024 7:13AM

Sampled as on May 30, 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	S1972CA049024   Lat: 41° 33' 41.00" north  Long: 120° 23' 43.00" west  MLRA: 21	National Soil Survey Center
	-	Pedon No.	72C0112	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
72C00660	0-13	A1	S	13.4			0.72		48	0.93	0.027	4
72C00661	13-23	A2	S	17.7			0.58		45	1.42	0.015	7
72C00662	23-39	Bt11	S	21.8			0.50		45	1.33	0.023	5
72C00663	39-54	Bt12	S	23.4			0.47		43	1.43	0.029	3
72C00664	54-69	Bt2	S	29.8			0.49		40	1.45	0.032	3
72C00665	69-79	Bqm1	S	35.4			0.77		72	1.10	0.034	25
72C00666	79-94	Bqm2	S	8.9			2.29		94			63
72C00667	94-107	Bqm3	S	7.8			2.65		94			69

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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			8A3a	5D2
72C00660	0-13	A1	S	6.3		1.30					100*	100			1.34				3
72C00661	13-23	A2	S	6.4		0.72					100*	100			1.03				3
72C00662	23-39	Bt11	S	6.4		0.57					100*	100			0.90				3
72C00663	39-54	Bt12	S	6.4		0.49					100*	100			0.88				2
72C00664	54-69	Bt2	S	6.4		0.39					100*	100			0.85				3
72C00665	69-79	Bqm1	S	7.0		0.27					100*	100			1.55				2
72C00666	79-94	Bqm2	S	7.7		0.14					100*	100			5.43			0.50	3
72C00667	94-107	Bqm3	S	8.0							100*	100			5.13			0.53	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	0.88	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	43	% wt
Volume, >2mm, Weighted Average	4	% vol
Clay, total, Weighted Average	25	% wt
Weighted averages based on control section: 23-69 cm