*** Taxonomy Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:54PM

Sampled as on Apr 29, 1991:	Contra Costa T
Revised to correlated:	Hillgate ; Fine-loamy, mixed, mesic Haplic Palexeralfs

				United States Department of Agriculture
SSL	-	Project	CP91CA178   1992 TOUR	Natural Resources Conservation Service
	-	Site ID	S1991CA011001   Lat: 39° 17' 14.99" north  Long: 122° 28' 20.00" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	91P0758	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	3A1a1a		8D1			4A1d
91P04324	0-3	A1	S	24.7	9.5		0.44		28	1.40	0.025	4
91P04325	3-8	A2	S	26.5	11.7		0.42		25	1.62	0.029	2
91P04326	8-23	Bt1	S	31.2	15.9		0.39		23	1.74	0.006	1
91P04327	23-56	Bt2	S	30.3	16.2		0.45		25	1.59	0.067	2
91P04328	56-74	Bt3	S	29.3	15.7		0.46		28	1.69	0.051	2
91P04329	74-93	Bt4	S	26.3	14.5		0.51		41			10
91P04330	93-114	Bt5	S	25.2	12.8		0.52		30	1.67	0.039	3
91P04331	114-155	BCt	S	28.8	12.7		0.45		25	1.68	0.039	2
91P04332	155-180		S	29.7	14.6		0.45		33			6
91P04333	180-193		S	50.8	26.5		0.39		19			1
91P04334	193-212		S	53.5	28.6		0.37		23			3
91P04335	212-230		S	48.4	28.2		0.39		38			13

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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	6A2d		8J	6E1g	5C1	5C3	6S4		8D1			8A3a	5D2
91P04324	0-3	A1	S	6.1		2.19	1.74	0.39	0.07		84	70	19		0.96				tr
91P04325	3-8	A2	S	6.3		1.11	0.99	0.42	0.07		89	75	13		0.93				1
91P04326	8-23	Bt1	S	6.5		0.41	0.45	0.42	0.05		95	81	23		0.93				1
91P04327	23-56	Bt2	S	6.6		0.30	0.32	0.36	0.03		95	84	19		1.14				1
91P04328	56-74	Bt3	S	6.6		0.24	0.25	0.36	0.03		96	85	22		1.28				1
91P04329	74-93	Bt4	S	6.8		0.24	0.24	0.45	0.04		96	87	25		1.43				1
91P04330	93-114	Bt5	S	6.9		0.21	0.23	0.42	0.04		100*	89	19		1.50				2
91P04331	114-155	BCt	S	7.1		0.18	0.21	0.31	0.04		99	90	19		1.24				3
91P04332	155-180		S	7.5		0.17	0.18	0.39	0.04		100*	90	19		1.26				5
91P04333	180-193		S	8.2		0.20	0.20	0.35	0.03	tr	100*	95	23		0.91			0.75	5
91P04334	193-212		S	8.3		0.35	0.40	0.35	0.03	3	100*	97	22		0.85			0.71	5
91P04335	212-230		S	8.3		0.35	0.44	0.38	0.04	1	100*	96	27		0.90			0.66	6
91P04336	0-0		S			4.99	4.62
91P04337	0-0		S			1.57	1.65
91P04338	0-0		S			3.12	3.13
91P04339	0-0		S			1.33	1.30
91P04340	0-0		S			1.02	0.90
91P04341	0-0		S			4.75	5.01
91P04342	0-0		S			1.76	1.74
91P04343	0-0		S			0.73	0.81

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	30	% wt
CEC Activity, CEC7/Clay, Weighted Average	1.08	(NA)
Clay, carbonate free, Weighted Average	31	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	25	% wt
Weighted averages based on control section: 8-58 cm