*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled as on Aug 1, 1979:	Spenard ; Thixotropic over loamy Sideric Cryaquod
Revised to correlated on Apr 1, 1986:	Spenard ; Medial over loamy, mixed Sideric Cryorthod

				United States Department of Agriculture
SSL	-	Project	CP79AK241   MATANUSKA-SUSITNA DIVISION	Natural Resources Conservation Service
	-	Site ID	S1979AK170003   Lat: 61° 34' 60.00" north  Long: 151° 26' 0.00" west  MLRA: 170	National Soil Survey Center
	-	Pedon No.	79P0402	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
79P02144	O	O1	5-0
79P02145	A	A1	0-8					SIL
79P02146	Bhs	B2hir	8-10					L
79P02147	B	B3	10-15					SIL
79P02148	C1	C1	15-36					SIL
79P02149	C2	C2	36-41					FSL
79P02150	Ab	AB	41-64					SIL
79P02151	2C	2C	64-152					SIL

---

---

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
79P02144	5-0	O	S														tr	--	--
79P02145	0-8	A	S	sil	7.1	57.9	35.0			48.5	9.4	14.0	12.2	5.3	3.1	0.4	--	--	--	21	--
79P02146	8-10	Bhs	S	l	8.3	48.1	43.6			38.5	9.6	14.0	9.4	14.4	5.4	0.4	--	--	--	30	--
79P02147	10-15	B	S	sil	5.9	58.5	35.6			45.2	13.3	22.6	6.4	4.5	1.8	0.3	tr	--	--	13	tr
79P02148	15-36	C1	S	sil	6.0	67.9	26.1			53.5	14.4	17.9	4.8	2.6	0.8	--	tr	--	--	8	--
79P02149	36-41	C2	S	fsl	3.6	26.7	69.7			20.2	6.5	7.8	32.8	24.7	4.3	0.1	--	--	--	62	--
79P02150	41-64	Ab	S	sil	13.2	54.0	32.8			45.2	8.8	16.1	10.8	5.3	0.5	0.1	tr	--	--	17	--
79P02151	64-152	2C	S	sil	9.1	60.1	30.8			41.8	18.3	13.8	5.2	6.2	3.1	2.5	1	2	3	22	6

*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled As	:	Spenard		Thixotropic over loamy Sideric Cryaquod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0402

---

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		4B2b	3D1		4C1		8D1	8D1
79P02144	5-0	O	S									1.064
79P02144	5-0	O	M								53.5
79P02145	0-8	A	S	0.56	0.67	0.062			108.9			1.045				7.42
79P02146	8-10	Bhs	S	0.59	0.69	0.054			108.6			1.056		0.41		6.28	4.75
79P02146	8-10	Bhs	M								39.4
79P02147	10-15	B	S	1.04	1.09	0.016			49.5			1.027		0.36		2.02	2.59
79P02147	10-15	B	M								15.3
79P02148	15-36	C1	S	0.97	1.02	0.017			57.4			1.019		0.43		0.80	2.23
79P02148	15-36	C1	M								13.4
79P02149	36-41	C2	S									1.010				0.83	2.50
79P02149	36-41	C2	M								9.0
79P02150	41-64	Ab	S									1.070				2.76	5.24
79P02150	41-64	Ab	M								69.2
79P02151	64-152	2C	S	0.84	0.98	0.052			73.7			1.024		0.42		1.24	2.47
79P02151	64-152	2C	M								22.5

---

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 - - - - - - - - - - - - - - - - - - - - - -)

4F

79P02146

8-10

Bhs

S

NP

79P02148

15-36

C1

S

NP

79P02151

64-152

2C

S

NP

*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled As	:	Spenard		Thixotropic over loamy Sideric Cryaquod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0402

---

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 - - - - -)
					6B1b			6A1c		6C2b	6G7a			8J	6C9a	6G12	6V2			6C5a	6G5a
79P02144	5-0	O	S					30.57						1.80	0.73	0.72
79P02145	0-8	A	S		0.869			10.78	12	0.7	0.7		0.46	1.00	0.33	0.29	0.01			0.7	0.7
79P02146	8-10	Bhs	S		0.636			9.88	16	1.1	1.6		1.27	2.00	0.75	0.89	0.01			1.0	1.6
79P02147	10-15	B	S		0.168			2.59	15	1.0	1.1		0.09	0.04	0.03	0.07	0.02			0.5	0.6
79P02148	15-36	C1	S		0.101			1.27	13	0.5	0.6		0.07	0.04	0.02	0.06				0.2	0.4
79P02149	36-41	C2	S					0.91					0.03	0.02	0.02	0.02
79P02150	41-64	Ab	S					6.97		2.8	2.1		0.30	0.33	0.30	0.15				1.4	1.1
79P02151	64-152	2C	S					1.95		1.6	0.8		0.10	0.13	0.08	0.06				0.4	0.5

---

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		6H2b	6G1e		5A3a	5A8a	5A3b	5G1	5C3	5C1
79P02144	5-0	O	S	11.5	3.5	0.1	1.2		104.5				93.9
79P02145	0-8	A	S	1.8	0.6	0.1	0.2	2.7	84.5	13.6		87.2	52.7	16.3	83	3	5
79P02146	8-10	Bhs	S	0.8	0.2	0.1	0.1	1.2	92.0	12.0		93.2	52.1	13.2	91	1	2
79P02147	10-15	B	S	0.2	tr	0.1	0.1	0.4	28.2	1.7		28.6	11.9	2.1	81	1	3
79P02148	15-36	C1	S	0.2	tr	0.1	0.1	0.4	13.5	0.5		13.9	4.8	0.9	56	3	8
79P02149	36-41	C2	S	0.1	--	--	tr	0.1	8.9			9.0	3.0			1	3
79P02150	41-64	Ab	S	0.9	0.2	0.1	0.1	1.3	56.4	0.6		57.7	36.4	1.9	32	2	4
79P02151	64-152	2C	S	0.7	0.2	0.1	tr	1.0	20.1			21.1	11.3			5	9

*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled As	:	Spenard		Thixotropic over loamy Sideric Cryaquod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0402

---

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 - -)

%

79P02145

0-8

A

S

tr

79P02146

8-10

Bhs

S

tr

79P02147

10-15

B

S

1

79P02148

15-36

C1

S

2

79P02149

36-41

C2

S

--

79P02150

41-64

Ab

S

tr

79P02151

64-152

2C

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
					8C1e	8C1a			4C1a1a1					8E1
79P02145	0-8	A	S		3.9	3.8			8.0
79P02146	8-10	Bhs	S		4.4	4.6			10.9
79P02147	10-15	B	S		4.7	5.0			11.4
79P02148	15-36	C1	S		5.3	5.5			10.9
79P02149	36-41	C2	S		5.1	5.6			10.7
79P02150	41-64	Ab	S		5.5	5.5			11.4
79P02151	64-152	2C	S		5.0	5.6			11.1					91000

*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled As	:	Spenard		Thixotropic over loamy Sideric Cryaquod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0402

---

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 - - - - - - - - - - - - - - - - - - - -)

6S4

79P02144

5-0

O

S

20

79P02145

0-8

A

S

66

79P02146

8-10

Bhs

S

91

79P02147

10-15

B

S

64

79P02148

15-36

C1

S

49

79P02149

36-41

C2

S

34

79P02150

41-64

Ab

S

96

79P02151

64-152

2C

S

72

---

Miscellaneous Data

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

(- Sat Paste Ex. -)

(- Sand -)

( Water Content )

Bulk

(- - - - Extractable Bases - - - -)

(- - - CEC8 - - -)

CO3+

(- - - pH - - -)

M+C+VC

Moist Sieved

Density

Depth

Ca

Mg

Na

K

NaOAC

BaCl2

Ca+Mg

HCO3

CaCl2

H2O

.25-2

100 kPa

200 kPa

10 kPa

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)

mmol(+)L-1

mmol(-)L-1

1:10

1:10

(- - - - - % of <2mm - - - - -)

g cm-3

NK

NK

79P02144

5-0

O

S

3.5

4.2

*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled As	:	Spenard		Thixotropic over loamy Sideric Cryaquod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0402

---

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									7C3								tion
Layer	(cm)	Horz	ion	( - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)							mg g-1
79P02145	0.0-8.0	A	tcly	NX 6
79P02147	10.0-15.0	B	tcly	NX 6											4.7			0.2
79P02150	41.0-64.0	Ab	tcly	MI 1											5.4			0.2
79P02151	64.0-152.0	2C	tcly	MI 1	KK 1										6.3			0.3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	NX Non-Crystalline

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 79AK170003

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 25 2024 5:48PM

Sampled As	:	Spenard		Thixotropic over loamy Sideric Cryaquod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0402

---

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

79P02145

0.0-8.0

A

vfs

3

GS 35

FP 30

PR 14

GA 13

HN 4

OP 2

QZ 1

KK tr

79P02147

10.0-15.0

B

vfs

4

FP 34

GA 32

GS 14

HN 10

PR 2

QZ 2

OP 1

KK 1

MI 1

FK 1

AR 1

79P02150

41.0-64.0

Ab

vfs

20

GA 38

FP 22

KK 15

PR 10

GS 6

OP 3

AR 3

QZ 2

HN 1

79P02151

64.0-152.0

2C

vfs

47

QZ 35

AR 18

FP 11

KK 10

FK 9

PR 4

GA 4

MI 3

OP 2

HN 1

GS 1

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

MINERAL INTERPRETATION:
AR Weatherable Aggregates	FK Potassium Feldspar	FP Plagioclase Feldspar	GA Glass Aggregates	GS Glass
HN Hornblende	KK Kaolinite	MI Mica	OP Opaques	PR Pyroxene
QZ Quartz