*** Taxonomy Characterization Data ***

Pedon ID: 86CO628002

( Las Animas, Colorado )

Print Date: Jun 8 2024 12:19AM

Sampled as on Sep 7, 1986:	Baca ; Fine, montmorillonitic, mesic Ustollic Haplargid
Revised to correlated:	Baca ; Fine, smectitic, mesic Aridic Haplustalfs

				United States Department of Agriculture
SSL	-	Project	CP87CO265   COLORADO AND LAS ANIMAS COUNTY	Natural Resources Conservation Service
	-	Site ID	86CO628002   Lat: 37° 15' 9.80" north  Long: 103° 31' 46.70" west  MLRA: 67	National Soil Survey Center
	-	Pedon No.	87P0834	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

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
87P04604	0-8	A	S	25.8	10.5		0.46		6	1.15	0.028	--
87P04605	8-16	AB	S	36.9	22.3		0.39		5	1.25	0.055	--
87P04606	16-32	Bt1	S	45.4	23.1		0.43		5	1.30	0.110	tr
87P04607	32-53	Bt2	S	40.4	16.7	2.3	0.43		5	1.43	0.072	tr	69
87P04608	53-68	Bt3	S	38.0	15.3	3.5	0.46		3	1.44	0.065	tr
87P04609	68-93	Bk1	S	34.6	12.0	3.8	0.45		3	1.40	0.048	tr
87P04610	93-120	Bk2	S	32.9	10.2	4.1	0.45		3	1.28	0.045	--	65
87P04611	120-168	Bk3	S	35.6	12.9	7.5	0.41		13	1.24	0.046	1
87P04612	168-210	Bk4	S	47.9	8.0	27.2	0.24		16	1.34	0.024	1
87P04613	210-263	Bk5	S	38.1	10.9	11.8	0.33		22			2
87P04614	263-320	Crky	S	8.4	8.4	0.7	1.70		31			5

---

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				6E1g	5C1	5C3			8D1			8A3a	5D2
87P04604	0-8	A	S	7.3		1.58				1	100*	99			0.74			1.00	2
87P04605	8-16	AB	S	7.3		1.41					100*	92			0.63				1
87P04606	16-32	Bt1	S	7.8		0.86				1	100*	100			0.65			0.55	2
87P04607	32-53	Bt2	S	8.4		0.62				6	100*	100			0.59			0.50	5
87P04608	53-68	Bt3	S	8.6		0.56				6	100*	100			0.62			0.64	8
87P04609	68-93	Bk1	S	8.5		0.38				9	100*	100			0.61			1.89	12
87P04610	93-120	Bk2	S	8.2		0.27				8	100*	100			0.66			4.24	13
87P04611	120-168	Bk3	S	8.1		0.21				14	100*	100			0.54			4.45	12
87P04612	168-210	Bk4	S	8.2		0.24				40	100*	100			0.23			4.22	10
87P04613	210-263	Bk5	S	8.2		0.13				33	100*	100			0.39			3.23	12
87P04614	263-320	Crky	S	7.9		0.05				6	100*	100			1.48			4.52	1

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	40	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	41	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 16-66 cm