*** Primary Characterization Data ***

Pedon ID: S2015MD003055

( Anne Arundel, Maryland )

Print Date: Dec 9 2025 5:09PM

Sampled as on Jan 13, 2016:	Tumagan ; Mesic Sapric Haplowassists
Revised to correlated on Mar 5, 2017:	Tumagan ; Mesic Sapric Sulfiwassists

				United States Department of Agriculture
SSL	-	Project	I2018USMD003   Subaqueous Soil Landscape Models in Chesapeake Bay	Natural Resources Conservation Service
	-	Site ID	S2015MD003055   Lat: 38° 52' 57.58" north  Long: 76° 31' 6.75" west  MLRA: 149A	National Soil Survey Center
	-	Pedon No.	18N0035	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
18N00272	Oe	Oe	6-49	S2015MD003055-2			MPM
18N00273	Oase1	Oase1	49-73	S2015MD003055-3			MUCK
18N00274	Oase2	Oase2	73-103	S2015MD003055-4			MUCK
18N00275	2Cseg	2Cseg	103-121	S2015MD003055-5				VFSL
18N00276	3Oase	3Oase	121-127	S2015MD003055-6			MUCK

---

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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
18N00275	103-121	2Cseg	N	vfsl	5.7	38.4	55.9			18.2	20.2	29.8	17.2	6.5	1.6	0.8

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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

%

3D1

18N00272

6-49

Oe

N

1.114

18N00273

49-73

Oase1

N

1.109

18N00274

73-103

Oase2

N

1.071

18N00275

103-121

2Cseg

N

1.004

18N00276

121-127

3Oase

N

1.028

*** Primary Characterization Data ***

Pedon ID: S2015MD003055

( Anne Arundel, Maryland )

Print Date: Dec 9 2025 5:09PM

Sampled As	:	Tumagan		Mesic Sapric Haplowassists
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  18N0035

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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 - - - - -)
				4H2a	4H2a	4H2a
18N00272	6-49	Oe	N	44.46	1.88	4.01	44.5		24
18N00273	49-73	Oase1	N	37.98	1.84	3.59	38.0		21
18N00274	73-103	Oase2	N	24.85	0.96	2.17	24.9		26
18N00275	103-121	2Cseg	N	0.86	0.02	0.22	0.9		43
18N00276	121-127	3Oase	N	12.42	0.48	1.00	12.4		26

*** Primary Characterization Data ***

Pedon ID: S2015MD003055

( Anne Arundel, Maryland )

Print Date: Dec 9 2025 5:09PM

Sampled As	:	Tumagan		Mesic Sapric Haplowassists
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  18N0035

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Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

( - - - - - - - - peak size - - - - - - - - - )

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

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

mg g-1

18N00275

103.0-121.0

2Cseg

csi

86

QZ 86

FK 8

PR 3

HN 1

MS 1

BT 1

SMIX

BY tr

GL tr

GN tr

GS tr

FE tr

OP tr

PO tr

SS tr

ZR tr

18N00275

103.0-121.0

2Cseg

vfs

95

QZ 94

FK 3

MS 1

OP 1

PO tr

PR tr

SILI

BT tr

BY tr

GL tr

FE tr

HN tr

ZR tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm	vfs - Very Fine Sand 0.05-0.1 mm

MINERAL INTERPRETATION:
BT Biotite	BY Beryl	FE Iron Oxides (Goethite	FK Potassium Feldspar	GL Glauconite
GN Garnet	GS Glass	HN Hornblende	MS Muscovite	OP Opaques
PO Plant Opal	PR Pyroxene	QZ Quartz	SS Sponge Spicule	ZR Zircon

INTERPRETATION (BY HORIZON):
SILI - Siliceous	SMIX - Mixed Sand