*** Primary Characterization Data ***

Pedon ID: 91ID007200

( Bear Lake, Idaho )

Print Date: Nov 27 2024 9:31PM

Sampled as on Sep 29, 1991:	Thatcherflats ; Fine-silty, mixed Typic Natrixeralfs
Revised to correlated on Aug 1, 1991:	(unnamed) ; Fine, mixed, active, frigid Typic Natrixeralf

				United States Department of Agriculture
SSL	-	Project	RP91ID064   BEAR LAKE	Natural Resources Conservation Service
	-	Site ID	S1991ID007200   Lat: 42° 13' 0.00" north  Long: 111° 22' 13.00" west  MLRA: 13	National Soil Survey Center
	-	Pedon No.	91P0239	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
91P01481	AE	AE	0-5				SIL	SICL
91P01482	A	A	5-13				SICL	SIC
91P01483	Btn	BtN	13-25				SIC	SIC
91P01484	Btkn1	BtkN1	25-53				SICL	SIC
91P01485	Btkn2	BtkN2	53-89				SICL	SICL
91P01486	Btkn3	BtkN3	89-140				SICL	SICL
91P01487	C	C	140-180				SIL	SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.57	(NA)
Clay, carbonate free, Weighted Average	39	% wt
Clay, total, Weighted Average	54	% wt
Weighted averages based on control section: 13-63 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	3A1a1a
91P01481	0-5	AE	N	sicl	36.3	60.2	3.5			40.7	19.5	2.5	0.5	0.2	0.3	tr
91P01482	5-13	A	N	sic	55.7	43.7	0.6			32.9	10.8	0.2	0.2	0.1	0.1	tr
91P01483	13-25	Btn	N	sic	55.8	43.2	1.0		5.6	34.0	9.2	0.6	0.2	0.1	0.1	tr
91P01484	25-53	Btkn1	N	sic	57.7	40.8	1.4		17.9	37.3	3.6	0.3	1.1	tr	tr	--
91P01485	53-89	Btkn2	N	sicl	39.5	57.1	3.4		15.1	48.8	8.3	2.1	1.0	0.3	tr	tr
91P01486	89-140	Btkn3	N	sicl	31.1	60.7	8.2		11.6	43.2	17.5	5.7	2.1	0.4	tr	--
91P01487	140-180	C	N	sil	21.2	61.1	17.7		6.7	25.6	35.5	13.4	3.4	0.6	0.3	tr

*** Primary Characterization Data ***

Pedon ID: 91ID007200

( Bear Lake, Idaho )

Print Date: Nov 27 2024 9:31PM

Sampled As	:	Thatcherflats		Fine-silty, mixed Typic Natrixeralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0239

---

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				8D1	8D1
91P01481	0-5	AE	N							13.4		1.017				0.52	0.37
91P01482	5-13	A	N							23.3		1.031				0.59	0.42
91P01483	13-25	Btn	N							22.9		1.027				0.53	0.41
91P01484	25-53	Btkn1	N							22.2		1.020				0.39	0.38
91P01485	53-89	Btkn2	N							21.9		1.012				0.34	0.55
91P01486	89-140	Btkn3	N							19.9		1.010				0.35	0.64
91P01487	140-180	C	N							10.4		1.010				0.46	0.49

---

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 - - - - -)

6A1c

91P01481

0-5

AE

N

1.64

91P01482

5-13

A

N

1.46

91P01483

13-25

Btn

N

0.78

91P01484

25-53

Btkn1

N

0.41

91P01485

53-89

Btkn2

N

0.20

91P01486

89-140

Btkn3

N

0.10

91P01487

140-180

C

N

0.09

*** Primary Characterization Data ***

Pedon ID: 91ID007200

( Bear Lake, Idaho )

Print Date: Nov 27 2024 9:31PM

Sampled As	:	Thatcherflats		Fine-silty, mixed Typic Natrixeralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0239

---

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				5A8b			5C3	5C1
91P01481	0-5	AE	N	10.2*	3.6	14.8	0.9		2.3				18.8			93	100
91P01482	5-13	A	N	20.7*	5.7	42.5	0.8		1.2				33.0			98	100
91P01483	13-25	Btn	N	39.4*	9.7	46.1	0.6						29.3			100	100
91P01484	25-53	Btkn1	N	42.4*	2.6	45.1	0.3						22.5			100	100
91P01485	53-89	Btkn2	N	37.0*	4.6	32.2	0.2						13.6			100	100
91P01486	89-140	Btkn3	N	35.4*	9.0	24.5	0.2						10.9			100	100
91P01487	140-180	C	N	38.1*	10.2	13.2	0.1						9.8			100	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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
91P01481	0-5	AE	N	1.6	1.1	63.0	0.1	--	10.5	1.6	44.1				12.4	--	1.0	53.4	0.2	5.79	2.45	61	54
91P01482	5-13	A	N	5.0	4.4	215.6	0.1	--	4.9	3.4	168.7				55.2	--	1.9	70.4	0.8	14.30	6.76	83	99
91P01483	13-25	Btn	N	1.8	2.0	165.6	0.1	--	3.9	2.9	101.9				55.3	--	1.8	106.8	1.0	11.90	8.70	97	120
91P01484	25-53	Btkn1	N	0.8	0.9	116.5	tr	--	2.9	1.9	70.2				38.6	--	--	147.6	1.0	8.87	8.58	100*	126
91P01485	53-89	Btkn2	N	0.3	0.4	95.4	0.1	--	2.5	2.3	62.9				29.3	--	0.8	133.8	0.9	8.39	7.72	100*	161
91P01486	89-140	Btkn3	N	0.3	0.2	69.1	tr	--	1.3	1.8	50.2				14.8	--	0.4	112.9	0.6	6.53	4.24	100*	138
91P01487	140-180	C	N	0.9	3.1	67.3	tr	--	2.2	2.2	61.2				10.8	--	0.7	79.0	0.4	6.77	3.53	80	48

^*ESP set to 100, Na exceeds measured exchange capacity.

*** Primary Characterization Data ***

Pedon ID: 91ID007200

( Bear Lake, Idaho )

Print Date: Nov 27 2024 9:31PM

Sampled As	:	Thatcherflats		Fine-silty, mixed Typic Natrixeralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0239

---

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	8C1b			6E1g		4E2a1a1a1		8E1
91P01481	0-5	AE	N		7.4	8.1	7.5			1		--
91P01482	5-13	A	N		7.9	8.0	7.7			2		--
91P01483	13-25	Btn	N		8.6	8.9	8.6			16		--
91P01484	25-53	Btkn1	N		8.2	9.4	9.2			38		--
91P01485	53-89	Btkn2	N		8.4	8.9	9.3			43		--
91P01486	89-140	Btkn3	N		8.3	8.7	9.3			36		--		330
91P01487	140-180	C	N		8.3	8.8	8.6			27		--

*** Primary Characterization Data ***

Pedon ID: 91ID007200

( Bear Lake, Idaho )

Print Date: Nov 27 2024 9:31PM

Sampled As	:	Thatcherflats		Fine-silty, mixed Typic Natrixeralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0239

---

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

91P01481

0.0-5.0

AE

tcly

MI 3

KK 2

MT 1

VM 1

QZ 1

10

5.7

2.6

91P01482

5.0-13.0

A

tcly

MI 3

KK 2

MT 2

MM 1

CL 1

15

6.3

2.5

QZ 1

91P01484

25.0-53.0

Btkn1

tcly

MT 2

MI 2

KK 2

MM 2

CA 1

13

5.0

1.6

CL 1

QZ 1

91P01487

140.0-180.0

C

tcly

MT 2

MI 2

KK 1

CA 1

DL 1

8

4.7

1.2

MM 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CL Chlorite	DL Dolomite	KK Kaolinite	MI Mica
MM Montmorillonite-Mica	MT Montmorillonite	QZ Quartz	VM Vermiculite-Mica

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 91ID007200

( Bear Lake, Idaho )

Print Date: Nov 27 2024 9:31PM

Sampled As	:	Thatcherflats		Fine-silty, mixed Typic Natrixeralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0239

---

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

91P01484

25.0-53.0

Btkn1

csi

52

QZ 44

CA 23

FK 16

CD 6

MS 2

CB 2

FP 2

OP 1

AR 1

PO 1

BT 1

HN 1

GS tr

PR tr

TM tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	CA Calcite	CB Carbonate Aggregates	CD Chert (Chalcedony
FK Potassium Feldspar	FP Plagioclase Feldspar	GS Glass	HN Hornblende	MS Muscovite
OP Opaques	PO Plant Opal	PR Pyroxene	QZ Quartz	TM Tourmaline