*** Taxonomy Characterization Data ***

Pedon ID: 91NM023002

( Hidalgo, New Mexico )

Print Date: Feb 16 2025 6:02AM

Sampled as on Aug 1, 1991:	Tres Hermanos ; Fine-loamy, mixed, thermic Typic Haplargid
Revised to correlated:	Tres Hermanos ; Fine-loamy, mixed, superactive, thermic Typic Calciargids

				United States Department of Agriculture
SSL	-	Project	CP91NM003   SOUTHWEST	Natural Resources Conservation Service
	-	Site ID	S1991NM023002   Lat: 32° 20' 37.01" north  Long: 108° 40' 48.99" west  MLRA: 42	National Soil Survey Center
	-	Pedon No.	91P0005	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	8D1			4A1d
91P00027	0-33	Bt1	S	27.4		0.3	0.43		51	1.47	0.018	8
91P00028	10-33	Bt2	S	36.6		2.2	0.40		34	1.39	0.029	4
91P00029	33-76	Btk1	S	23.6		4.0	0.45		25	1.53	0.025	4
91P00030	76-103	Btk2	S	19.8		0.9	0.49		36	1.46	0.025	5
91P00031	103-138	Bk1	S	27.7		9.0	0.40		47	1.60	0.131	17
91P00032	138-166	Bk2	S	30.0		13.9	0.40		40	1.52	0.012	11

---

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
91P00027	0-33	Bt1	S	8.3		0.55				3	100*	100			0.80			0.62	2
91P00028	10-33	Bt2	S	8.2		0.46				6	100*	100			0.67			0.64	2
91P00029	33-76	Btk1	S	8.1		0.12				9	100*	100			0.69			0.84	3
91P00030	76-103	Btk2	S	8.2		0.03				3	100*	100			0.76				3
91P00031	103-138	Bk1	S	8.2		0.07				23	100*	100			0.52				3
91P00032	138-166	Bk2	S	8.2		0.06				42	100*	100			0.35				4

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.7	(NA)
Clay, carbonate free, Weighted Average	28	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	39	% wt
Volume, >2mm, Weighted Average	5	% vol
Clay, total, Weighted Average	29	% wt
LE, Whole Soil, Summed to 1m	3	cm/m
Weighted averages based on control section: 10-60 cm