*** Primary Characterization Data ***

Pedon ID: 64VI010005

( St. Croix, Virgin Islands )

Print Date: Apr 29 2025 7:07AM

Sampled as on Aug 30, 1964:	SND
Revised to correlated:	Maho Bay ; Loamy, mixed, superactive, isohyperthermic Typic Haplustolls

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1964VI010005   Lat: 17° 45' 25.00" north  Long: 64° 50' 17.01" west  MLRA: 27	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A0555	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A04080	Ap	Ap	0-15	20058				SICL
40A04081	B1	B1	15-25	20059				SICL
40A04082	B2	B2	25-36	20060				CL
40A04083	B3	B3	36-48	20061				CL
40A04084	R1	R 1	48-76	20062				L
40A04085	R2	R 2	76

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.3	(NA)
Clay, carbonate free, Weighted Average	21	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	27	% wt
Volume, >2mm, Weighted Average	5	% vol
Clay, total, Weighted Average	21	% wt
Weighted averages based on control section: 25-76 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a			3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
40A04080	0-15	Ap	S	sicl	37.2	46.6	16.2			32.3	14.3	6.5	4.6	1.8	2.1	1.2	2	2	--	10	4
40A04081	15-25	B1	S	sicl	37.8	44.7	17.5			31.1	13.6	7.0	4.8	2.0	2.2	1.5	8	5	--	11	13
40A04082	25-36	B2	S	cl	32.8	42.6	24.6			27.4	15.2	8.9	7.1	3.0	3.4	2.2	9	5	--	16	14
40A04083	36-48	B3	S	cl	27.6	33.2	39.2			17.1	16.1	14.3	13.9	5.7	4.3	1.0	1	tr	--	25	1
40A04084	48-76	R1	S	l	14.2	39.8	46.0			23.1	16.7	14.0	14.6	6.4	6.9	4.1	6	3	--	32	9

*** Primary Characterization Data ***

Pedon ID: 64VI010005

( St. Croix, Virgin Islands )

Print Date: Apr 29 2025 7:07AM

Sampled As	:	SND
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A0555

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				4A1d	4A1h				4B1c	3C2a1a
40A04080	0-15	Ap	S	1.33	1.58	0.058			26.8	16.9				0.13		0.66	0.45
40A04081	15-25	B1	S	1.39	1.59	0.042			26.6	16.8				0.13		0.64	0.44
40A04082	25-36	B2	S	1.34	1.70	0.075			29.5	16.1				0.17		0.88	0.49
40A04083	36-48	B3	S	1.34	1.55	0.049			28.7	14.0				0.20		0.92	0.51
40A04084	48-76	R1	S							10.1						1.63	0.71

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
						3B1a			4B4
40A04080	0-15	Ap	CLODDB			1.38			24.1
40A04081	15-25	B1	CLODDB			1.40			25.9
40A04082	25-36	B2	CLODDB			1.40			26.9
40A04083	36-48	B3	CLODDB			1.36			26.9

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
					6B1a			6A1a		6C2c
40A04080	0-15	Ap	S		0.245			2.69	11	1.8
40A04081	15-25	B1	S		0.166			1.68	10	1.7
40A04082	25-36	B2	S		0.100			0.82	8	1.4
40A04083	36-48	B3	S		0.060			0.48	8	1.4
40A04084	48-76	R1	S					0.14		0.9

*** Primary Characterization Data ***

Pedon ID: 64VI010005

( St. Croix, Virgin Islands )

Print Date: Apr 29 2025 7:07AM

Sampled As	:	SND
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A0555

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2b	6O2b	6P2a	6Q2a		6H1a				5A1a
40A04080	0-15	Ap	S	17.2*	7.6	0.4	0.5	25.7	8.2			33.9	24.6			76	100
40A04081	15-25	B1	S	18.8*	6.8	0.5	0.3		7.1				24.3			79	100
40A04082	25-36	B2	S	23.0*	7.1	0.8	0.3	31.2	6.6			37.8	28.8			83	100
40A04083	36-48	B3	S	20.9*	6.1	1.0	0.2		5.2				25.4			84	100
40A04084	48-76	R1	S	20.1*	6.3	0.9	0.2	27.5	3.2			30.7	23.2			90	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

Salt

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

-20-

(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)

1:2

Total

Elec

Elec

Exch

Depth

Ca

Mg

Na

K

CO3

HCO3

F

Cl

PO4

Br

OAC

SO4

NO2

NO3

H2O

Salts

Cond

Cond

Na

SAR

Layer

(cm)

Horz

Prep

(- - - - - mmol(+) L-1 - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)

(- - - - % - - - -)

(- - dS m-1 - -)

%

40A04080

0-15

Ap

S

2

40A04081

15-25

B1

S

2

40A04082

25-36

B2

S

3

40A04083

36-48

B3

S

4

40A04084

48-76

R1

S

4

---

pH  &  Carbonates

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)

(- - Carbonate - -)

(- - Gypsum - - -)

CaCl2

As CaCO3

As CaSO4*2H2O

Resist

Depth

0.01M

H2O

Sat

<2mm

<20mm

<2mm

<20mm

ohms

Layer

(cm)

Horz

Prep

KCl

1:2

1:1

Paste

Oxid

NaF

(- - - - - - - - - - - - % - - - - - - - - - - -)

cm-1

4C1a2a3

8C1a

6E1c

40A04080

0-15

Ap

S

5.0

6.2

40A04081

15-25

B1

S

5.1

6.5

--

40A04082

25-36

B2

S

5.0

6.7

40A04083

36-48

B3

S

5.0

6.9

--

40A04084

48-76

R1

S

4.8

6.6