*** Primary Characterization Data ***

Pedon ID: 82MD031004

( Montgomery, Maryland )

Print Date: Apr 26 2024 1:45PM

Sampled as on Apr 12, 1982:	NOT DESIGNATED ; Fine-loamy, mixed, mesic Typic Hapludult (Hapludalf)
Revised to correlated on Jan 15, 2013:	Milldraper ; Fine-loamy, mixed, semiactive, mesic Typic Hapludults

				United States Department of Agriculture
SSL	-	Project	CP82MD167   MONTGOMERY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1982MD031004   Lat: 39° 9' 28.14" north  Long: 77° 6' 59.70" west  MLRA: 148	National Soil Survey Center
	-	Pedon No.	82P0477	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
82P02373	Ap	Ap	0-14				L	L
82P02374	Bt1	Bt1	14-34				SICL	L
82P02375	Bt2	Bt2	34-54				SICL	L
82P02376	BC	BC	54-88				L	FSL
82P02377	BC	BC	54-88				SICL	FSL
82P02378	BC	BC	54-88				FSL	C

---

---

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	3A1a1a	3B1	3B1	3B1
82P02373	0-14	Ap	S	l	16.9	33.6	49.5	7.2		21.1	12.5	17.4	22.4	5.7	2.5	1.5	4	6	1	40	11
82P02374	14-34	Bt1	S	l	25.3	30.2	44.5	12.7		18.8	11.4	14.9	18.9	5.7	3.5	1.5	1	4	7	38	12
82P02375	34-54	Bt2	S	l	25.6	28.8	45.6	12.6		15.9	12.9	15.8	21.1	5.7	2.4	0.6	1	1	1	32	3
82P02376	54-88	BC	S	fsl	17.5	21.4	61.1	9.0		10.6	10.8	16.1	30.0	9.8	4.1	1.1	2	6	15	58	23
82P02377	54-88	BC	S	fsl	6.5	17.0	76.5	2.4		7.3	9.7	16.6	35.6	14.9	6.5	2.9	2	12	15	72	29
82P02378	54-88	BC	S	c	43.8	15.4	40.8	11.1		6.5	8.9	12.0	13.4	6.8	5.4	3.2	1	5	--	33	6

*** Primary Characterization Data ***

Pedon ID: 82MD031004

( Montgomery, Maryland )

Print Date: Apr 26 2024 1:45PM

Sampled As	:	NOT DESIGNATED		Fine-loamy, mixed, mesic Typic Hapludult (Hapludalf)
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0477

---

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		3D1		4C1		8D1	8D1
82P02373	0-14	Ap	S	1.35	1.45	0.023			21.1	8.9		1.011		0.15		0.59	0.53
82P02374	14-34	Bt1	S	1.58	1.68	0.019			18.9	12.2		1.013		0.10		0.28	0.48
82P02375	34-54	Bt2	S	1.47	1.56	0.020			24.4	13.4		1.016		0.16		0.27	0.52
82P02376	54-88	BC	S							9.9		1.012				0.35	0.57
82P02377	54-88	BC	S							4.8		0.997				0.72	0.74
82P02378	54-88	BC	S							19.3		1.021				0.19	0.44

---

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 - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
82P02374	14-34	Bt1	S	34	14

---

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 - - - - -)
					6B3a			6A1c		6C2b	6G7a	6D2a
82P02373	0-14	Ap	S		0.197			2.08	11	1.8	0.3	tr
82P02374	14-34	Bt1	S		0.060			0.51	9	3.2	0.4	tr
82P02375	34-54	Bt2	S		0.018			0.19	11	3.5	0.4	tr
82P02376	54-88	BC	S					0.15		2.0	0.3	tr
82P02377	54-88	BC	S					0.13		0.8	0.1	--
82P02378	54-88	BC	S					0.16		3.6	0.6	0.1

*** Primary Characterization Data ***

Pedon ID: 82MD031004

( Montgomery, Maryland )

Print Date: Apr 26 2024 1:45PM

Sampled As	:	NOT DESIGNATED		Fine-loamy, mixed, mesic Typic Hapludult (Hapludalf)
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0477

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a	6G9a		5A3a	5A8b	5A3b	5G1	5C3	5C1
82P02373	0-14	Ap	S	5.0	1.3	0.1	0.5	6.9	8.3	0.1		15.2	9.9	7.0	1	45	70
82P02374	14-34	Bt1	S	3.9	0.6	0.1	0.2	4.8	5.0			9.8	7.2			49	67
82P02375	34-54	Bt2	S	3.3	0.5	tr	0.1	3.9	5.3			9.2	6.8			42	57
82P02376	54-88	BC	S	1.7	0.4	0.1	0.2	2.4	6.1	0.3		8.5	6.2	2.7	11	28	39
82P02377	54-88	BC	S	0.7	0.3	0.1	0.2	1.3	4.1	0.3		5.4	4.7	1.6	19	24	28
82P02378	54-88	BC	S	2.1	1.1	0.1	0.3	3.6	7.1	0.5		10.7	8.5	4.1	12	34	42

---

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 - -)

%

82P02373

0-14

Ap

S

1

82P02374

14-34

Bt1

S

1

82P02375

34-54

Bt2

S

--

82P02376

54-88

BC

S

2

82P02377

54-88

BC

S

2

82P02378

54-88

BC

S

1

---

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

82P02373

0-14

Ap

S

5.2

5.2

82P02374

14-34

Bt1

S

5.9

6.0

82P02375

34-54

Bt2

S

5.9

6.0

82P02376

54-88

BC

S

5.2

5.2

82P02377

54-88

BC

S

5.1

5.1

82P02378

54-88

BC

S

5.1

5.2

*** Primary Characterization Data ***

Pedon ID: 82MD031004

( Montgomery, Maryland )

Print Date: Apr 26 2024 1:45PM

Sampled As	:	NOT DESIGNATED		Fine-loamy, mixed, mesic Typic Hapludult (Hapludalf)
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0477

---

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

7A2i

7A3b

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

82P02374

14.0-34.0

Bt1

tcly

KK 4

VR 2

GI 2

MI 1

GE 1

KK 42

GI 5

&nbsp;

&nbsp;

&nbsp;

&nbsp;

14.0

&nbsp;

&nbsp;

0.9

&nbsp;

&nbsp;

&nbsp;

82P02375

34.0-54.0

Bt2

tcly

KK 4

VR 2

MI 1

GI 1

GE 1

KK 41

GI 4

&nbsp;

&nbsp;

&nbsp;

&nbsp;

14.3

&nbsp;

&nbsp;

0.9

&nbsp;

&nbsp;

&nbsp;

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

MINERAL INTERPRETATION:
GE Goethite	GI Gibbsite	KK Kaolinite	MI Mica	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 82MD031004

( Montgomery, Maryland )

Print Date: Apr 26 2024 1:45PM

Sampled As	:	NOT DESIGNATED		Fine-loamy, mixed, mesic Typic Hapludult (Hapludalf)
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0477

---

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

82P02374

14.0-34.0

Bt1

vfs

 

 

 

 

 

 

 

 

 

55

QZ 47

MS 26

BT 17

KK 7

CL 2

OP 1

 

 

82P02375

34.0-54.0

Bt2

vfs

 

 

 

 

 

 

 

 

 

43

MS 33

QZ 32

BT 23

KK 10

OP 1

 

 

 

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	 	 	 	 

MINERAL INTERPRETATION:
BT Biotite	CL Chlorite	KK Kaolinite	MS Muscovite	OP Opaques
QZ Quartz