*** Taxonomy Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:38PM

Sampled as on Jan 30, 1981:	Superstition ; Sandy, mixed Typic Calciorthids
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP81AZ184   COLORADO RIVER INDIAN RESERVATION (AZ-CA)	Natural Resources Conservation Service
	-	Site ID	S1981AZ027006   Lat: 34° 7' 21.99" north  Long: 114° 15' 0.99" west	National Soil Survey Center
	-	Pedon No.	81P0385	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

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			7B1a2
81P02097	0-2	A	S	4.4			0.45		78			24	55
81P02098	2-8	B1	S	4.0			0.50		71			1
81P02099	8-19	B2	S	8.1		1.7	0.38		76	1.64	0.002	1
81P02100	19-32	Bk1	S	6.9		1.7	0.39		70			1
81P02101	32-60	Bk2	S	8.5		2.8	0.34		70			1
81P02102	60-85	Bk3	S	7.7		2.8	0.36		73	1.55	0.013	2
81P02103	85-130	Bk4	S	4.4		1.7	0.39		78			1
81P02104	130-160	C	S	0.8		1.1			96	1.69	--	3	50

---

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
81P02097	0-2	A	S	8.5		0.11				3	100*	100			0.82			0.54	2
81P02098	2-8	B1	S	8.6		0.07				2	100*	100			0.88				6
81P02099	8-19	B2	S	8.6		0.07				6	100*	100			0.52				7
81P02100	19-32	Bk1	S	8.6		0.07				7	100*	100			0.39				4
81P02101	32-60	Bk2	S	8.5		0.08				11	100*	100			0.28				8
81P02102	60-85	Bk3	S	8.5		0.07				17	100*	100			0.26				5
81P02103	85-130	Bk4	S	8.8		0.05				10	100*	100			0.32				14
81P02104	130-160	C	S	8.9		0.03				7	100*	100							27

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.45	(NA)
Clay, carbonate free, Weighted Average	5	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	73	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	7	% wt
Weighted averages based on control section: 25-100 cm