*** Taxonomy Characterization Data ***

Pedon ID: S1972TX139001

( Ellis, Texas )

Print Date: Oct 1 2026 9:28PM

Sampled as on May 30, 1972:	ELLIS
Revised to correlated:	ELLIS ; Fine, montmorillonitic, thermic Udertic Ustochrepts

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1972TX139001   Lat: 32° 18' 45.00" north  Long: 96° 58' 47.00" west  MLRA: 86	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A4613	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

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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
40A35142	0-18	A	S	73.0	38.3	--	0.29		1			--
40A35143	18-56	C	S	65.4	27.1		0.32		9			2
40A35144	56-86	R	S	66.8	25.6		0.33		4			--

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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

%

NK

NK

NK

40A35142

0-18

A

S

7.3

1.08

2

40A35143

18-56

C

S

7.4

0.56

--

40A35144

56-86

R

S

7.4

0.27

--

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Pedon Calculations
Calculation Name	Result	Units of Measure
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	65	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	9	% wt
Clay, carbonate free, Weighted Average	65	% wt
Weighted averages based on control section: 25-56 cm