*** Taxonomy Characterization Data ***

Pedon ID: S2013CO085007

( Montrose, Colorado )

Print Date: Feb 16 2026 5:14PM

Sampled as on May 27, 2013:	unnamed ; Fine-silty, mixed, active, mesic, shallow Ustic Haplocambids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO085007   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N96754	Kellogg 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
13N09766	0-8	A	S	38.3		--	0.15	13.1	9			2
13N09767	8-20	Byz	S	53.6			0.10	9.4	2			tr
13N09768	20-36	BCyz	S	59.4			0.11	13.6	3			1
13N09769	36-46	C	S	58.6			0.21	27.6	41			27

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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			4H2a			4E1a1a1a1								4F2
13N09766	0-8	A	S	7.9			0.90			2	100*				0.28			3.51	100*
13N09767	8-20	Byz	S	5.4			1.44				100*				0.25			6.16	5
13N09768	20-36	BCyz	S	4.6			1.28				100*				0.28			10.49	30
13N09769	36-46	C	S	4.4			1.08				100*				0.40			16.21	34

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.
^*ESP set to 100, Na exceeds measured exchange capacity.

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Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	59	% wt
Clay, carbonate free, Weighted Average	59	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.33	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	20	% wt
Weighted averages based on control section: 25-45 cm