*** Taxonomy Characterization Data ***

Pedon ID: S1968AZ023015

( Santa Cruz, Arizona )

Print Date: Apr 24 2025 11:36AM

Sampled as on May 30, 1968:	Hathaway ; Loamy-skeletal, mixed, thermic Aridic Calciustolls
Revised to correlated on Jul 1, 1996:	(unnamed) ; Loamy-skeletal, mixed, superactive, thermic Aridic Calciustoll

				United States Department of Agriculture
SSL	-	Project	NL68AZ023   E.PIMA-SANTA CRU	Natural Resources Conservation Service
	-	Site ID	S1968AZ023015   Lat: 31° 43' 38.00" north  Long: 110° 42' 15.01" west	National Soil Survey Center
	-	Pedon No.	68C0144	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			4A1f
68C01035	0-13	A1	S	16.8			0.54		88	1.06	0.011	47
68C01036	13-25	A2	S	21.6		3.0	0.48		77	1.13	0.012	32
68C01037	25-33	Bk1	S	21.5		4.0	0.48		75	1.09	0.012	32
68C01038	33-51	Bk2	S	17.3		3.0	0.49		79	1.13	0.009	35
68C01039	51-79	Bk3	S	10.8		2.0	0.60		88	1.37	--	55
68C01040	79-99	Bk4	S	8.6		1.0	0.69		93	2.00	--	71
68C01041	99-117	2Bk	S	12.2		1.0	0.61		56	1.66	0.011	6

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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				6E1b	5C1	5C3			8D1			8A1a	5D2
68C01035	0-13	A1	S	7.8		1.64				7	100*	100			1.14			0.42	1
68C01036	13-25	A2	S	8.0		1.31				13	100*	100			0.91			0.34	1
68C01037	25-33	Bk1	S	8.0		1.08				19	100*	100			0.85			0.34	1
68C01038	33-51	Bk2	S	8.0		0.84				19	100*	100			0.87			0.33	1
68C01039	51-79	Bk3	S	8.1		0.45				18	100*	100			1.01			0.34	1
68C01040	79-99	Bk4	S	8.2		0.23				16	100*	100			1.20			0.35	1
68C01041	99-117	2Bk	S	8.2						13	100*	100			1.43			0.36	1

^*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	1.22	(NA)
Clay, carbonate free, Weighted Average	11	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	85	% wt
Volume, >2mm, Weighted Average	50	% vol
Clay, total, Weighted Average	13	% wt
LE, Whole Soil, Summed to 1m	1	cm/m
Weighted averages based on control section: 25-102 cm