*** Taxonomy Characterization Data ***

Pedon ID: 79AZ003010

( Cochise, Arizona )

Print Date: Sep 24 2024 1:28AM

Sampled as on May 30, 1979:	Tubac ; Fine, mixed Ustalfic Paleargids
Revised to SSL on Jul 1, 2000:	(unnamed) ; Fine-loamy, mixed, thermic Ustollic Haplargid

				United States Department of Agriculture
SSL	-	Project	CP79AZ197   COCHISE COUNTY, DOUGLAS-TOMBSTONE AREA	Natural Resources Conservation Service
	-	Site ID	S1979AZ003010   Lat: 31° 42' 43.00" north  Long: 109° 47' 36.99" west	National Soil Survey Center
	-	Pedon No.	79P0272	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
79P01442	0-5	A1	S	9.7			0.31		72			14
79P01443	5-18	A2	S	13.4			0.28		71	1.65	0.005	19
79P01444	18-20	E	S	18.7			0.27		68			20
79P01445	20-51	Bt1	S	48.1			0.32		49	1.55	0.037	12
79P01446	51-76	Bt2	S	24.9			0.37		63			12
79P01447	76-99	Btk1	S	15.4		2.3	0.38		69	1.56	0.012	18
79P01448	99-155	Btk2	S	17.0		2.0	0.34		57			5

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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		6A1c				6E1b	5C1	5C3			8D1			8A1a	5D2
79P01442	0-5	A1	S	5.0		0.29					76	58			0.42			1.66	--
79P01443	5-18	A2	S	5.8		0.30					86	67			0.37				--
79P01444	18-20	E	S	6.4		0.36					94	76			0.34				2
79P01445	20-51	Bt1	S	7.6		0.52				--	100*	89			0.45			1.65	7
79P01446	51-76	Bt2	S	8.2		0.14				1	100*	98			0.53			2.75	11
79P01447	76-99	Btk1	S	8.6		0.09				8	100*	100			0.53			2.90	12
79P01448	99-155	Btk2	S	8.4		0.08				14	100*	100			0.48			4.46	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	0.48	(NA)
Clay, carbonate free, Weighted Average	39	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	54	% wt
Volume, >2mm, Weighted Average	12	% vol
Clay, total, Weighted Average	39	% wt
Weighted averages based on control section: 20-70 cm