*** Taxonomy Characterization Data ***

Pedon ID: 79TX479005

( Webb, Texas )

Print Date: Dec 8 2025 4:34AM

Sampled as on Dec 1, 1979:	McAllen ; Fine-loamy, mixed, hyperthermic Aridic Ustochrept
Revised to correlated:	Moglia ; Fine-loamy, mixed, hyperthermic Ustollic Calciorthids

				United States Department of Agriculture
SSL	-	Project	CP80TX124   WEBB COUNTY	Natural Resources Conservation Service
	-	Site ID	S1979TX479005   Lat: 27° 34' 40.00" north  Long: 99° 17' 39.99" west  MLRA: 83B	National Soil Survey Center
	-	Pedon No.	80P0180	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	3A1a1a	8D1
80P00903	0-13	A	S	29.6	6.9	0.3	0.46		32			4
80P00904	13-25	Bk1	S	40.0	10.8	5.7	0.44		32			11
80P00905	25-41	Bk2	S	41.7	13.8	9.2	0.43		21			3

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Taxonomy Tier 2

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

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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

%

8C1a

6A1c

6E1b

80P00903

0-13

A

S

8.0

1.77

4

80P00904

13-25

Bk1

S

8.1

1.49

13

80P00905

25-41

Bk2

S

8.1

1.35

18

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