*** Taxonomy Characterization Data ***

Pedon ID: S1968AZ023001

( Santa Cruz, Arizona )

Print Date: Apr 25 2025 7:43PM

Sampled as on Oct 7, 1968:	Continental ; Fine-loamy, mixed, thermic Typic Haplargids
Revised to correlated on Jul 1, 1996:	(unnamed) ; Fine-loamy, mixed, superactive, thermic Calcic Haplargid

				United States Department of Agriculture
SSL	-	Project	NL68AZ023   E.PIMA-SANTA CRU	Natural Resources Conservation Service
	-	Site ID	S1968AZ023001   Lat: 31° 42' 17.00" north  Long: 111° 5' 8.00" west	National Soil Survey Center
	-	Pedon No.	68C0140	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	3A1a1a	8D1			4A1f
68C01007	0-3	A	S	6.8	2.7		0.47		71			3
68C01008	3-8	B	S	11.9	4.0		0.35		60	1.56	0.013	1
68C01009	8-30	Bt1	S	26.1	13.8		0.32		60			9
68C01010	30-53	Bt2	S	37.0	20.4		0.32		63	1.27	0.010	21
68C01011	53-76	Btk1	S	51.5	24.6		0.35		50			17
68C01012	76-99	Btk2	S	38.8			0.40		84			62
68C01013	99-132	Bk1	S	35.1			0.41		91			75
68C01014	132-193	Bk2	S	15.1		3.0	0.52		88	1.39	0.008	58
68C01015	193-218	Bk3	S	18.0		2.0	0.51		85	1.48	0.007	63
68C01016	0-38	A	S	7.2			0.94		73			17

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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				6E1a	5C1	5C3			8D1			8A1a	5D2
68C01007	0-3	A	S	6.9		0.47					100*	100			0.88				--
68C01008	3-8	B	S	7.3		0.33					100*	100			0.66			0.31	1
68C01009	8-30	Bt1	S	7.5		0.38					100*	100			0.64				1
68C01010	30-53	Bt2	S	7.7		0.45				tr	100*	100			0.58				1
68C01011	53-76	Btk1	S	7.9		0.48				2	100*	100			0.56			0.38	1
68C01012	76-99	Btk2	S	8.0		0.28				2	100*	100			0.74			0.43	3
68C01013	99-132	Bk1	S	7.9		0.30				3	100*	100			0.62			0.45	3
68C01014	132-193	Bk2	S	8.5						20	100*	100			0.66			0.57	10
68C01015	193-218	Bk3	S	8.4						14	100*	100			0.77			0.73	12
68C01016	0-38	A	S			0.36

^*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	0.61	(NA)
Clay, carbonate free, Weighted Average	34	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	60	% wt
Volume, >2mm, Weighted Average	15	% vol
Clay, total, Weighted Average	34	% wt
Weighted averages based on control section: 8-58 cm