*** Taxonomy Characterization Data ***

Pedon ID: S1972CO041008

( El Paso, Colorado )

Print Date: Nov 23 2024 5:54AM

Sampled as on May 30, 1972:	LOUVIERS
Revised to SSL:	(unnamed) ; Clayey, montmorillonitic, nonacid, mesic, shallow Ustic Torriorthent

				United States Department of Agriculture
SSL	-	Project	NL72CO004   EL PASO - PUEBLO	Natural Resources Conservation Service
	-	Site ID	S1972CO041008	National Soil Survey Center
	-	Pedon No.	72C0031	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			8D1			4A1d
72C00176	0-9	A1	S	8.4			0.64		77	1.27	0.011	16
72C00177	9-23	A2	S	16.2			0.48		62	1.44	0.010	10
72C00178	23-36	B1	S	24.9			0.37		40	1.60	0.035	2
72C00179	36-53	B2	S	32.7			0.31		38	1.66	0.040	2

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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	%
				4C1a2a		6A1c					5C1	5C3		5A3b	8D1		5G1	8A3a	5D2
72C00176	0-9	A1	S	6.4		1.23					95	100			0.88				8
72C00177	9-23	A2	S	6.1		0.70					100*	100			0.66				6
72C00178	23-36	B1	S	5.5		0.28					100*	82		16.4	0.61	0.66	1		4
72C00179	36-53	B2	S	6.2		0.07					100*	100			0.50				3
72C00180	53-89	B3	S	6.5														0.39
72C00181	54-74	By	S	6.6														0.27

^*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	0.44	(NA)
Volume, >2mm, Weighted Average	3	% vol
Weighted averages based on control section: 25-100 cm