*** Taxonomy Characterization Data ***

Pedon ID: 91CO123007

( Weld, Colorado )

Print Date: Nov 21 2024 1:06PM

Sampled as on Jun 29, 1991:	Ulm ; Fine, montmorillonitic Ustollic Haplargids
Revised to correlated on Sep 1, 1992:	(unnamed) ; Fine-loamy, mixed, superactive, mesic Ustollic Haplargid

				United States Department of Agriculture
SSL	-	Project	CP91CO201   WELD	Natural Resources Conservation Service
	-	Site ID	S1991CO123007   Lat: 40° 49' 41.00" north  Long: 104° 47' 9.01" west  MLRA: 67	National Soil Survey Center
	-	Pedon No.	91P0871	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			7B1a2
91P05282	0-5	A1	S	8.4	5.6		0.49		51	1.24	0.017	6
91P05283	5-14	A2	S	11.9	7.7		0.47		51	1.58	0.017	9
91P05284	14-28	BA	S	22.2	15.3		0.41		41	1.48	0.030	3
91P05285	28-39	Bt1	S	30.4	22.2		0.45		35	1.47	0.038	3	67
91P05286	39-67	Bt2	S	34.8	20.9		0.39		19	1.55	0.056	2	81
91P05287	67-88	BCk	S	33.5	11.6		0.43		17	1.66	0.039
91P05288	88-130	2CBk	S	12.7	5.7		0.60		75	1.65	0.002	1

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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		8J	6E1g	5C1	5C3			8D1			8A3a	5D2
91P05282	0-5	A1	S	6.1		1.00	0.86	0.05	0.02		92	75			1.02				1
91P05283	5-14	A2	S	6.6		0.54	0.51	0.05	0.02		99	88			0.78				1
91P05284	14-28	BA	S	6.5		0.60	0.59	0.08	0.02		99	84			0.68				1
91P05285	28-39	Bt1	S	6.9		0.50	0.50	0.11	0.03		100*	88			0.69				1
91P05286	39-67	Bt2	S	7.5		0.36	0.38	0.09	0.02		100*	93			0.78				1
91P05287	67-88	BCk	S	7.9		0.15	0.18	0.04	0.02	tr	100*	96			0.90			0.78	1
91P05288	88-130	2CBk	S	8.2		0.05	0.08	0.02	0.02		100*	98			1.13				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	0.75	(NA)
Clay, carbonate free, Weighted Average	34	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	24	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	34	% wt
LE, Whole Soil, Summed to 1m	4	cm/m
Weighted averages based on control section: 28-67 cm