*** Taxonomy Characterization Data ***

Pedon ID: S1966CA093004

( Siskiyou, California )

Print Date: Apr 22 2026 4:06AM

Sampled as on May 16, 1966:	Josephine
Revised to correlated:	Josephine ; Coarse-loamy, mixed, superactive, mesic Ultic Haploxeralfs

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1966CA093004   Lat: 41° 58' 13.01" north  Long: 122° 38' 43.00" west  MLRA: 5	Riverside Soil Survey Laboratory
	-	Pedon No.	40A2899	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Riverside, California

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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						4A1f
40A22859	0-5	A11	S	6.7			0.90		45	1.46	0.002	2
40A22860	5-15	A12	S	7.8			0.68		45	1.52	--	2
40A22861	15-25	A2	S	9.1			0.60		45	1.50	0.002	2
40A22862	25-63	Bt1	S	16.2			0.51		42	1.60	0.004	1
40A22863	63-91	Bt21	S	21.6			0.49		37	1.65	0.018	1
40A22864	91-127	Bt22	S	20.4			0.52		37	1.66	0.022	--
40A22865	127-173	Bt23	S	16.9			0.57		39	1.62	0.022	1
40A22866	173-231	B3	S	13.3			0.65		43	1.59	0.014	1
40A22867	231-239	C	S	5.7			1.04		58	1.82	0.009	--

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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	%
				8C1a		6A1a													5D2
40A22859	0-5	A11	S	5.8		1.69					31	18		3.8	1.76	0.57	3		1
40A22860	5-15	A12	S	5.7		0.68					65	57		6.4	1.23	0.82	3		1
40A22861	15-25	A2	S	5.5		0.49					61	54		5.5	0.96	0.60	4		1
40A22862	25-63	Bt1	S	5.6		0.20					73	71		9.4	0.77	0.58	3		1
40A22863	63-91	Bt21	S	5.4		0.14					76	72		13.7	0.81	0.63	3		1
40A22864	91-127	Bt22	S	5.4		0.12					81	77		16.9	1.01	0.83	2		tr
40A22865	127-173	Bt23	S	5.6		0.06					69	77		16.7	1.40	0.99	2		1
40A22866	173-231	B3	S	5.8		0.12					83	83		19.0	1.68	1.43	2		1
40A22867	231-239	C	S	5.9		0.29					89	81		11.8	2.30	2.07	2		2
40A22868	0-15	A1	S	5.8		1.43

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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	17	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	41	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	17	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 25-75 cm