*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled as on Nov 18, 2000:	Mounthope ; Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
Revised to correlated:	MOUNTHOPE ; Fine-loamy, mixed, superactive, thermic Ultic Haploxeralfs

				United States Department of Agriculture
SSL	-	Project	C2001USCA048   BUTTE AREA SURVEY	Natural Resources Conservation Service
	-	Site ID	720-F   Lat: 39° 36' 34.15" north  Long: 121° 27' 33.20" west  MLRA: 18	National Soil Survey Center
	-	Pedon No.	01N0267	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
01N01587	A	A	3-8	S00CA-007-013-1	01P1587		L	SIL
01N01588	Bt1	Bt1	8-18	S00CA-007-013-2	01P1588		L	SIL
01N01589	Bt2	Bt2	18-38	S00CA-007-013-3	01P1589		L	SIL
01N01590	Bt3	Bt3	38-56	S00CA-007-013-4	01P1590		GR-CL	SIL
01N01591	Bt4	Bt4	56-66	S00CA-007-013-5	01P1591		GR-CL	L
01N01592	Bt5	Bt5	66-79	S00CA-007-013-6	01P1592		GRV-CL	L
01N01593	Bt6	Bt6	79-107	S00CA-007-013-7	01P1593		GRV-CL	L
01N01594	Bt7	Bt7	107-132	S00CA-007-013-8	01P1594		GR-CL	L

---

---

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
01N01587	3-8	A	S	sil	15.5	51.1	33.4	4.6		34.1	17.0	10.8	9.4	6.2	3.6	3.4	5	8	--	33	13
01N01588	8-18	Bt1	S	sil	18.1	50.6	31.3	5.4		34.0	16.6	10.3	9.2	5.8	3.9	2.1	3	6	8	34	17
01N01589	18-38	Bt2	S	sil	18.8	50.2	31.0	6.0		33.6	16.6	10.5	9.2	5.5	3.7	2.1	7	9	--	33	16
01N01590	38-56	Bt3	S	sil	19.3	50.4	30.3	6.3		35.0	15.4	8.6	9.1	6.2	3.9	2.5	12	13	--	41	25
01N01591	56-66	Bt4	S	l	22.5	44.4	33.1	7.5		32.3	12.1	7.7	7.5	6.9	6.9	4.1	13	42	8	72	63
01N01592	66-79	Bt5	S	l	22.4	39.4	38.2	7.3		33.3	6.1	8.0	7.9	12.4	5.9	4.0	14	33	5	66	52
01N01593	79-107	Bt6	N	l	26.7	43.2	30.1	9.1		30.5	12.7	11.0	9.2	5.3	4.3	0.3
01N01593	79-107	Bt6	S														22	18	--	--	40
01N01594	107-132	Bt7	S	l	23.6	43.3	33.1	8.8		29.9	13.4	9.0	9.3	7.2	4.8	2.8	18	22	--	54	40

*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled As	:	Mounthope		Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  01N0267

---

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
01N01587	3-8	A	S							8.9		1.021				1.21	0.57
01N01588	8-18	Bt1	S							8.7		1.025				1.23	0.48
01N01589	18-38	Bt2	S							8.6		1.027				1.30	0.46
01N01590	38-56	Bt3	S							9.6		1.028				1.33	0.50
01N01591	56-66	Bt4	S							9.9		1.032				1.28	0.44
01N01592	66-79	Bt5	S							11.0		1.036				1.43	0.49
01N01593	79-107	Bt6	N							11.4		1.038
01N01594	107-132	Bt7	S							12.0		1.040				0.54	0.51

---

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 - - - - - - - - - - - - - - - - - - - - - -)
				3H	3H
01N01587	3-8	A	S	34	10
01N01589	18-38	Bt2	S	31	8
01N01591	56-66	Bt4	S	33	12
01N01592	66-79	Bt5	S	35	12

*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled As	:	Mounthope		Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  01N0267

---

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
01N01587	3-8	A	S	1.82	0.13	0.01	1.8		14	2.0	0.1	0.1
01N01588	8-18	Bt1	S	1.25	0.07	tr	1.3		19	2.1	0.1	0.1
01N01589	18-38	Bt2	S	0.82	0.06	tr	0.8		14	2.1	0.1	0.1
01N01590	38-56	Bt3	S	0.55	0.06	tr	0.6		10	2.3	0.1	0.1
01N01591	56-66	Bt4	S	0.37	0.04	tr	0.4		10	2.2	0.1	0.1
01N01592	66-79	Bt5	S	0.33	0.04	tr	0.3		7	2.3	0.1	0.1
01N01593	79-107	Bt6	N	0.23	0.04	tr	0.2		6	2.5	0.1	0.1
01N01594	107-132	Bt7	S	0.16	0.03	tr	0.2		5	2.4	0.1	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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1	4B1a1	4B1a1	4B1a1		4B2a1a1				4B1a1
01N01587	3-8	A	S	13.7*	4.6	0.2	0.4	18.9	5.1			24.0	18.8			79	100
01N01588	8-18	Bt1	S	14.6	6.1	0.2	0.2	21.1	7.5			28.6	22.3			74	95
01N01589	18-38	Bt2	S	14.1	5.7	0.3	0.2	20.3	5.9			26.2	24.4			77	83
01N01590	38-56	Bt3	S	16.6	7.8	0.2	0.2	24.8	4.7			29.5	25.6			84	97
01N01591	56-66	Bt4	S	17.9	9.7	0.2	0.1	27.9	5.8			33.7	28.9			83	97
01N01592	66-79	Bt5	S	20.0	11.5	0.2	0.1	31.8	7.3			39.1	32.0			81	99
01N01593	79-107	Bt6	N						5.7
01N01594	107-132	Bt7	S	20.6*	14.0	0.3	0.1	35.0	6.1			41.1	12.8			85	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled As	:	Mounthope		Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  01N0267

---

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 - -)

%

01N01587

3-8

A

S

1

01N01588

8-18

Bt1

S

1

01N01589

18-38

Bt2

S

1

01N01590

38-56

Bt3

S

1

01N01591

56-66

Bt4

S

1

01N01592

66-79

Bt5

S

1

01N01594

107-132

Bt7

S

2

---

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
01N01587	3-8	A	S		5.9	6.5
01N01588	8-18	Bt1	S		5.4	6.2
01N01589	18-38	Bt2	S		5.3	6.2
01N01590	38-56	Bt3	S		5.4	6.3
01N01591	56-66	Bt4	S		5.5	6.3
01N01592	66-79	Bt5	S		5.5	6.4
01N01593	79-107	Bt6	N		5.5	6.3
01N01594	107-132	Bt7	S		5.6	6.4

*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled As	:	Mounthope		Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  01N0267

---

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

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

01N01588

8.0-18.0

Bt1

tcly

VM 3

KK 3

MI 1

AM 1

CMIX

01N01590

38.0-56.0

Bt3

tcly

VM 5

KK 3

MI 1

CMIX

01N01592

66.0-79.0

Bt5

tcly

VM 5

KK 3

AM 1

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
AM Amphibole	KK Kaolinite	MI Mica	VM Vermiculite-Mica

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay

*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled As	:	Mounthope		Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  01N0267

---

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

01N01588

8.0-18.0

Bt1

csi

4

FK 26

AR 19

AM 16

HN 16

PR 9

MS 5

SMIX

FE 3

EP 3

BT 2

QZ 1

RU tr

TM tr

TE tr

ZR tr

CD tr

FM tr

GS tr

MZ tr

OP tr

PO tr

01N01590

38.0-56.0

Bt3

csi

6

FK 27

AR 20

AM 13

HN 10

PR 9

MS 8

SMIX

FE 5

EP 4

BT 2

FM 1

QZ 1

TA tr

TE tr

OP tr

PD tr

FP tr

PO tr

GS tr

LA tr

CA tr

CD tr

01N01592

66.0-79.0

Bt5

csi

3

AR 38

FK 21

AM 11

HN 10

MS 4

EP 4

SMIX

PR 4

FE 3

BT 3

HB 1

OP tr

PO tr

CA tr

FM tr

GS tr

ZE tr

QZ tr

TM tr

TE tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm

*** Primary Characterization Data ***

Pedon ID: 720-F

( Butte, California )

Print Date: Feb 16 2025 6:10AM

Sampled As	:	Mounthope		Fine-loamy, mixed, superactive, thermic Ultic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  01N0267

---

MINERAL INTERPRETATION:
AM Amphibole	AR Weatherable Aggregates	BT Biotite	CA Calcite	CD Chert (Chalcedony
EP Epidote	FE Iron Oxides (Goethite	FK Potassium Feldspar	FM Ferromagnesium Mineral	FP Plagioclase Feldspar
GS Glass	HB Hydrobiotite	HN Hornblende	LA Lamprobolite	MS Muscovite
MZ Monazite	OP Opaques	PD Piemontite	PO Plant Opal	PR Pyroxene
QZ Quartz	RU Rutile	TA Talc	TE Tremolite	TM Tourmaline
ZE Zeolite	ZR Zircon

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand