*** Taxonomy Characterization Data ***

Pedon ID: S1974AZ019006

( Pima, Arizona )

Print Date: Nov 21 2024 5:51PM

Sampled as on May 30, 1974:	Unnamed
Revised to correlated:	NAHDA ; Clayey-skeletal, mixed, thermic Argic Petrocalcids

				United States Department of Agriculture
SSL	-	Project	NL74AZ019   PIMA CO.,E. PART	Natural Resources Conservation Service
	-	Site ID	S1974AZ019006   Lat: 32° 9' 21.00" north  Long: 110° 46' 5.01" west  MLRA: 40	National Soil Survey Center
	-	Pedon No.	74C0177	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
74C01044	0-5	A	S	12.0			0.39		64	1.54	0.013	16
74C01045	5-15	B	S	28.5			0.28		71			35
74C01046	15-38	Bt11	S	48.2			0.27		71			43
74C01047	38-61	Bt12	S	36.4			0.27		76	1.27	0.034	33
74C01048	61-76	Bt13	S	31.7			0.29		79			33
74C01049	76-89	Bt2	S	18.6		--	0.41		89			40
74C01050	89-120	Bkqm	S				0.45			1.25	0.008	--
74C01050	89-120	Bkqm	GP	9.3		2.0
74C01051	120-213	Bkq	S	15.9			0.40		69			17
74C01052	213-254	2C	S	4.9			0.71		39			tr

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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			8A3a	5D2
74C01044	0-5	A	S	8.3		0.46				tr	100*	100			0.74				--
74C01045	5-15	B	S	8.1		0.71				tr	100*	100			0.59			0.78	1
74C01046	15-38	Bt11	S	7.8		0.54				tr	100*	100			0.48			1.26	1
74C01047	38-61	Bt12	S	7.7		0.23				tr	100*	100			0.57			1.29	1
74C01048	61-76	Bt13	S	7.7		0.31				tr	100*	100			0.53			1.94	1
74C01049	76-89	Bt2	S	7.6						tr	100*	100			0.75			2.67	1
74C01050	89-120	Bkqm	S												0.89
74C01050	89-120	Bkqm	GP	8.3						16									5
74C01051	120-213	Bkq	S	8.7						9	100*	100			0.69				6
74C01052	213-254	2C	S	9.2						6	100*	100			1.29				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	0.53	(NA)
Clay, carbonate free, Weighted Average	40	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	73	% wt
Volume, >2mm, Weighted Average	39	% vol
Clay, total, Weighted Average	40	% wt
Weighted averages based on control section: 5-55 cm