*** Taxonomy Characterization Data ***

Pedon ID: S1973AZ003004

( Cochise, Arizona )

Print Date: Nov 21 2024 7:51PM

Sampled as on May 30, 1973:	Signal
Revised to SSL:	(unnamed) ; Fine, montmorillonitic, thermic Aridic Paleustoll

				United States Department of Agriculture
SSL	-	Project	NL73AZ015   SAN SIMON	Natural Resources Conservation Service
	-	Site ID	S1973AZ003004   Lat: 32° 24' 21.41" north  Long: 109° 42' 24.35" west	National Soil Survey Center
	-	Pedon No.	73C0121	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
73C00810	0-8	A1	S	11.5			0.55		77			27
73C00811	8-15	A2	S	38.1			0.36		73	1.21	0.041	37
73C00812	15-25	Bt1	S	54.9			0.37		43	1.16	0.086	11
73C00813	25-38	Bt2	S	52.7			0.40		79			44
73C00814	38-51	Bt3	S	42.6			0.44		84	0.87	0.032	47
73C00815	51-61	Bk1	S	16.7			0.56		85	1.34	0.016	32
73C00816	61-91	Bk2	S	19.1			0.58		87			39
73C00817	91-119	Bk3	S	21.3			0.59		83	1.23	0.022	30

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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				6E1g	5C1	5C3			8D1				5D2
73C00810	0-8	A1	S	6.0		0.78					88	100			1.51				2
73C00811	8-15	A2	S	6.2		0.98					100*	100			0.72				1
73C00812	15-25	Bt1	S	7.0		0.81					94	100			0.64				1
73C00813	25-38	Bt2	S	7.0		0.76					97	100			0.81				3
73C00814	38-51	Bt3	S	7.5		0.69				tr	100*	100			0.97				5
73C00815	51-61	Bk1	S	8.3		0.05				2	100*	100			1.60				12
73C00816	61-91	Bk2	S	8.3		0.02				1	100*	100			1.62				16
73C00817	91-119	Bk3	S	8.0		0.04				1	100*	100			1.54				16

^*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	0.82	(NA)
Clay, carbonate free, Weighted Average	50	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	71	% wt
Volume, >2mm, Weighted Average	39	% vol
Clay, total, Weighted Average	50	% wt
Weighted averages based on control section: 15-51 cm