*** Taxonomy Characterization Data ***

Pedon ID: 93CO083002

( Montezuma, Colorado )

Print Date: Feb 16 2025 5:56AM

Sampled as on Oct 20, 1993:	Durango ; Fine, mixed, mesic Aridic Haplustalf
Revised to correlated:	PRATER ; Fine, mixed, mesic Aridic Haplustalfs

				United States Department of Agriculture
SSL	-	Project	CP93CO176   CORTEZ	Natural Resources Conservation Service
	-	Site ID	S1993CO083002   Lat: 37° 15' 7.00" north  Long: 108° 24' 44.99" west  MLRA: 36	National Soil Survey Center
	-	Pedon No.	93P0644	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	3A1a1a	8D1			4A1d			7B1a2
93P04528	0-1	A	S	20.1	10.3		0.62		31			10	68
93P04529	1-8	A	S	32.7	18.1		0.39		23	1.22	0.035	10
93P04530	8-24	Bt	S	32.2	18.9		0.39		19	1.35	0.046	7
93P04531	24-42	Btk1	S	35.1	18.8		0.37		21	1.64	0.042	10
93P04532	42-54	Btk2	S	35.2			0.38		16	1.58	0.043	8
93P04533	54-94	Btk3	S	37.1		1.8	0.36		48	1.55	0.034	33
93P04534	94-164	Bk	S	48.4		1.3	0.32		48	1.47	0.045	34

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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	6A2d			6E1g	5C1	5C3			8D1				5D2
93P04528	0-1	A	S	6.5		5.84	5.71				99	84			1.40				1
93P04529	1-8	A	S	6.8		2.09	2.09				97	88			0.75				tr
93P04530	8-24	Bt	S	7.2		1.09	1.11				98	94			0.69				1
93P04531	24-42	Btk1	S	8.0		0.52	0.56			tr	100*	99			0.69				tr
93P04532	42-54	Btk2	S	8.1		0.40	0.49			1	100*	100			0.68				tr
93P04533	54-94	Btk3	S	8.2		0.51	0.86			4	100*	100			0.66				tr
93P04534	94-164	Bk	S	8.3		0.49	0.79			2	100*	100			0.54				2

^*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	0.69	(NA)
Clay, carbonate free, Weighted Average	35	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	31	% wt
Volume, >2mm, Weighted Average	18	% vol
Clay, total, Weighted Average	36	% wt
Weighted averages based on control section: 24-74 cm