*** Taxonomy Characterization Data ***

Pedon ID: S2013CO029023

( Delta, Colorado )

Print Date: Feb 16 2026 11:52AM

Sampled as on Jul 23, 2013:	unnamed ; Clayey-skeletal, mixed, active, mesic, shallow Typic Haplocambids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO029023   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N97172	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
13N11959	0-10	A	S	54.9		3.6	0.29		tr			--
13N11960	10-28	BCz	S	58.6		2.5	0.27		3			2
13N11961	28-46	C	S	55.4		2.0	0.30		11			6
13N11962	46-63	Cr	S						--			37

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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
13N11959	0-10	A	S	8.7			1.20			8	100*				0.33			14.35	88
13N11960	10-28	BCz	S	8.9			1.12			6	100*				0.34			40.50	100*
13N11961	28-46	C	S	8.5			1.30			8	100*				0.36			21.10	100*
13N11962	46-63	Cr	S	8.4			1.27			5	100*							15.80	86

^*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
Weighted Particles, 0.1-75mm, 75 mm Base	10	% wt
Volume, >2mm, Weighted Average	6	% vol
Clay, total, Weighted Average	56	% wt
Clay, carbonate free, Weighted Average	54	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.36	(NA)
Weighted averages based on control section: 25-46 cm