*** Taxonomy Characterization Data ***

Pedon ID: 81AZ027004

( La Paz, Arizona )

Print Date: Nov 22 2024 12:17AM

Sampled as on Jan 30, 1981:	Cristobal ; Loamy-skeletal, mixed Typic Haplargids
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP81AZ184   COLORADO RIVER INDIAN RESERVATION (AZ-CA)	Natural Resources Conservation Service
	-	Site ID	S1981AZ027004   Lat: 33° 42' 57.20" north  Long: 114° 23' 1.86" west	National Soil Survey Center
	-	Pedon No.	81P0383	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
81P02084	0-3	Ek	S	7.7			0.55		85			69
81P02085	3-7	Bk1	S	16.9		0.3	0.49		42	1.54	0.016	18
81P02086	7-18	Btk11	S	16.2		tr	0.66		60			22
81P02087	18-55	Btk12	S	9.0		2.3	0.40		91			53
81P02088	55-80	Btk2	S	4.9		1.7	0.59		95	1.51	--	64
81P02089	80-120	Bk2	S	5.2		0.6	0.33		93			54
81P02090	120-155	C	S	2.4		0.8	0.75		94	1.85	0.006	34

---

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
81P02084	0-3	Ek	S	9.1		0.18				5	100*	100			1.18			0.49	10
81P02085	3-7	Bk1	S	9.0		0.17				12	100*	100			1.11			3.03	19
81P02086	7-18	Btk11	S	8.3		0.15				10	100*	100			1.35			12.71	28
81P02087	18-55	Btk12	S	8.1		0.14				10	100*	100			0.30			3.24	18
81P02088	55-80	Btk2	S	8.3		0.16				13	100*	100			0.47			2.94	14
81P02089	80-120	Bk2	S	8.4		0.13				6	100*	100			0.38			3.29	16
81P02090	120-155	C	S	8.6		0.12				4	100*	100			0.96			2.36	20

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.67	(NA)
Clay, carbonate free, Weighted Average	10	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	80	% wt
Volume, >2mm, Weighted Average	43	% vol
Clay, total, Weighted Average	11	% wt
Weighted averages based on control section: 3-53 cm