*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled as on Jan 27, 2007:	Croom ; Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
Revised to correlated on Jun 1, 2009:	Croom ; Loamy-skeletal, siliceous, semiactive, mesic Typic Hapludults

				United States Department of Agriculture
SSL	-	Project	C2004USMD178   Croom Series	Natural Resources Conservation Service
	-	Site ID	S2004MD033036   Lat: 38° 40' 49.10" north  Long: 76° 56' 58.09" west  MLRA: 149A	National Soil Survey Center
	-	Pedon No.	04N1048	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
04N05679	Ap1	Ap1	0-3	S04MD-033-036-1			SIL	L
04N05680	Ap2	Ap2	3-23	S04MD-033-036-2			SIL	L
04N05681	Bt1	Bt1	23-33	S04MD-033-036-3			GR-SIL	CL
04N05682	Bt2	Bt2	33-76	S04MD-033-036-4			GRX-SIL	SCL
04N05683	Bt3	Bt3	76-137	S04MD-033-036-5			GRX-L	SCL
04N05684	BCt	BCt	137-168	S04MD-033-036-6			GRX-SL	SCL
04N05685	BC	BC	168-203	S04MD-033-036-7			GRX-COSL	COSL

---

---

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
04N05679	0-3	Ap1	S	l	18.4	44.8	36.8	8.5		29.1	15.7	6.4	15.7	10.2	3.5	1.0	2	4	--	35	6
04N05680	3-23	Ap2	S	l	20.6	43.4	36.0	9.6		28.6	14.8	5.9	13.5	11.0	4.7	0.9	2	6	3	38	11
04N05681	23-33	Bt1	S	cl	36.0	29.6	34.4	21.1		21.1	8.5	3.9	13.5	11.0	4.1	1.9	7	24	19	65	50
04N05682	33-76	Bt2	S	scl	33.8	8.8	57.4	22.1		6.2	2.6	2.2	11.9	16.4	15.3	11.6	10	27	38	89	75
04N05683	76-137	Bt3	S	scl	27.9	3.2	68.9	20.5		2.1	1.1	2.3	21.4	29.2	8.8	7.2	9	35	36	93	80
04N05684	137-168	BCt	S	scl	24.7	5.1	70.2	19.0		1.9	3.2	0.4	18.6	30.4	14.5	6.3	6	24	52	95	85
04N05685	168-203	BC	S	cosl	14.1	2.5	83.4	11.8		0.8	1.7	1.5	7.4	36.0	27.4	11.1	7	18	55	96	80

*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled As	:	Croom		Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N1048

---

Water Dispersible PSDA				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Dispersible - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)
				Clay	Silt	Sand	F	CO3	F	C	VF	F	M	C	VC
				<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1
	Depth			.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				3A1a6a					3A1a6a		3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a
04N05679	0-3	Ap1	S	10.2	47.2	42.6			30.6	16.6	6.9	18.6	11.8	4.3	1.0
04N05680	3-23	Ap2	S	15.7	47.2	37.1			32.4	14.8	5.2	13.9	12.4	4.1	1.5

---

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	%
										3C2a1a		3D1			3F1a1a
04N05679	0-3	Ap1	S							7.7		1.012			57	0.48	0.42
04N05680	3-23	Ap2	S							7.2		1.010			41	0.31	0.35
04N05681	23-33	Bt1	S							12.9		1.016				0.28	0.36
04N05682	33-76	Bt2	S							11.1		1.014				0.25	0.33
04N05683	76-137	Bt3	S							9.4		1.010				0.25	0.34
04N05684	137-168	BCt	S							8.6		1.011				0.32	0.35
04N05685	168-203	BC	S							5.5		1.006				0.36	0.39

---

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 - - - - - - - - - - - - - - - - - - - - - -)
							3B2	3B2		3B2
04N05679	0-3	Ap1	S				1.22	1.27		26.8
04N05680	3-23	Ap2	S				1.37	1.41		21.2

*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled As	:	Croom		Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N1048

---

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				4G1	4G1	4G1
04N05679	0-3	Ap1	S	2.34	0.19	0.03	2.3		12	1.1	0.2	tr
04N05680	3-23	Ap2	S	0.93	0.08	0.02	0.9		12	1.3	0.2	--
04N05681	23-33	Bt1	S	0.44	0.08	0.02	0.4		5	2.2	0.4	--
04N05682	33-76	Bt2	S	0.14	0.02	0.01	0.1		8	2.0	0.3	--
04N05683	76-137	Bt3	S	0.12	tr	0.01	0.1		29	2.2	0.3	--
04N05684	137-168	BCt	S	0.12	0.02	0.01	0.1		8	1.5	0.2	--
04N05685	168-203	BC	S	0.06	0.03	0.01	0.1		2	0.8	0.1	--

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1	4B3a1a	4B3a1a		4B1a1a
04N05679	0-3	Ap1	S	2.2	1.1	--	0.3	3.6	12.6	2.1	2.7	16.2	8.9	5.7	37	22	40
04N05680	3-23	Ap2	S	0.4	0.3	--	0.1	0.8	10.2	3.4	--	11.0	6.4	4.2	81	7	13
04N05681	23-33	Bt1	S	0.9	0.8	--	0.2	1.9	13.4	4.8	--	15.3	9.9	6.7	72	12	19
04N05682	33-76	Bt2	S	0.8	1.4	--	0.2	2.4	10.3	3.6	--	12.7	8.4	6.0	60	19	29
04N05683	76-137	Bt3	S	0.3	1.1	--	0.1	1.5	8.8	3.3	--	10.3	7.1	4.8	69	15	21
04N05684	137-168	BCt	S	0.4	1.1	--	0.1	1.6	8.2	3.7	--	9.8	7.9	5.3	70	16	20
04N05685	168-203	BC	S	0.1	0.8	--	0.1	1.0	5.0	2.2	--	6.0	5.1	3.2	69	17	20

*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled As	:	Croom		Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N1048

---

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 - -)

%

04N05679

0-3

Ap1

S

--

04N05680

3-23

Ap2

S

--

04N05681

23-33

Bt1

S

--

04N05682

33-76

Bt2

S

--

04N05683

76-137

Bt3

S

--

04N05684

137-168

BCt

S

--

04N05685

168-203

BC

S

--

---

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

4C1a2a

4C1a2a

04N05680

3-23

Ap2

S

4.0

4.4

04N05681

23-33

Bt1

S

4.1

4.7

04N05682

33-76

Bt2

S

4.1

4.9

04N05683

76-137

Bt3

S

4.1

4.8

04N05684

137-168

BCt

S

4.0

4.8

04N05685

168-203

BC

S

4.1

4.9

*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled As	:	Croom		Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N1048

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

4D3a1

04N05679

0-3

Ap1

S

9.3

04N05680

3-23

Ap2

S

4.1

04N05681

23-33

Bt1

S

0.5

04N05682

33-76

Bt2

S

0.4

04N05683

76-137

Bt3

S

1.8

04N05684

137-168

BCt

S

3.4

04N05685

168-203

BC

S

3.8

*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled As	:	Croom		Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N1048

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A1a1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

04N05679

0.0-3.0

Ap1

tcly

VR 3

KK 2

MI 1

QZ 1

GE 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

VERM

04N05681

23.0-33.0

Bt1

tcly

VR 3

KK 3

MI 1

QZ 1

GE 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

VERM

04N05683

76.0-137.0

Bt3

tcly

KK 3

VR 2

GE 1

MI 1

HE 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
GE Goethite	HE Hematite	KK Kaolinite	MI Mica	QZ Quartz
VR Vermiculite	 	 	 	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay	VERM - Vermiculitic	 	 	 

*** Primary Characterization Data ***

Pedon ID: S2004MD033036

( Prince George's, Maryland )

Print Date: Apr 26 2024 11:42AM

Sampled As	:	Croom		Loamy-skeletal, mixed, semiactive, mesic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N1048

---

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

04N05681

23.0-33.0

Bt1

fs

 

 

 

 

 

 

 

 

 

99

QZ 96

OP 2

CD 1

FG tr

FE tr

BT tr

 

SILI

 

 

 

 

 

 

 

 

 

FP tr

PO tr

FK tr

PR tr

TM tr

VM tr

 

 

 

 

 

 

 

 

 

 

AR tr

ZR tr

 

 

 

 

 

04N05682

33.0-76.0

Bt2

fs

 

 

 

 

 

 

 

 

 

99

QZ 95

CD 2

OP 2

BT 1

GS tr

MS tr

 

SILI

 

 

 

 

 

 

 

 

 

FP tr

FK tr

PR tr

 

 

 

 

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm	 	 	 	 

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	CD Chert (Chalcedony	FE Iron Oxides (Goethite	FG Glass Coated Feldspar
FK Potassium Feldspar	FP Plagioclase Feldspar	GS Glass	MS Muscovite	OP Opaques
PO Plant Opal	PR Pyroxene	QZ Quartz	TM Tourmaline	VM Vermiculite-Mica
ZR Zircon	 	 	 	 

INTERPRETATION (BY HORIZON):
SILI - Siliceous