*** Taxonomy Characterization Data ***

Pedon ID: 84CO105003

( Rio Grande, Colorado )

Print Date: Apr 26 2025 2:04AM

Sampled as on Jul 1, 1984:	Tellura ; Clayey-skeletal, montmorillonitic Argic Cryoboroll
Revised to correlated:	Tellura ; Clayey-skeletal, smectitic Alfic Argicryolls

				United States Department of Agriculture
SSL	-	Project	CP84CO212   CREEDE AREA	Natural Resources Conservation Service
	-	Site ID	S1984CO105003   Lat: 37° 27' 30.00" north  Long: 106° 18' 30.00" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	84P0728	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
84P04028	0-13	A1	S	20.5	9.7		1.47		24			13
84P04029	13-25	A2	S	17.9	8.8		0.63		28	1.18	0.021	15
84P04030	25-51	AB	S	21.0	12.2		0.50		44			33
84P04031	51-81	Bt1	S	39.1	22.3		0.50		42	1.24	0.050	41
84P04032	81-122	Bt2	S	45.5	14.0		0.52		33			43
84P04033	122-152	C	S	31.7	10.7		0.55		41	1.29	0.032	43

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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	4C1a1a1	6A1c	6A2d		4G2		5C1	5C3			8D1				5D2
84P04028	0-13	A1	S	6.8		8.67	9.32				100*	85			2.16				--
84P04029	13-25	A2	S	6.3	8.5	2.25	2.28	0.23	0.11		97	78			1.13				--
84P04030	25-51	AB	S	6.3	8.9	0.78	0.74	0.23	0.07		99	82			0.79				--
84P04031	51-81	Bt1	S	6.7	9.0	0.37	0.39	0.24	0.04		100*	89			0.84				tr
84P04032	81-122	Bt2	S	7.0	9.2	0.21	0.24	0.23	0.03		100*	93			0.87				1
84P04033	122-152	C	S	7.4	9.1	0.09	0.12	0.19	0.03		100*	92			0.94				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	0.85	(NA)
Clay, carbonate free, Weighted Average	42	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	38	% wt
Volume, >2mm, Weighted Average	41	% vol
Clay, total, Weighted Average	42	% wt
Weighted averages based on control section: 51-101 cm