*** Primary Characterization Data ***

Pedon ID: 91CO069001

( Larimer, Colorado )

Print Date: May 30 2024 10:10PM

Sampled as on May 30, 1991:	Ratake ; Loamy-skeletal, mixed, shallow Typic Haploborolls
Revised to correlated on Apr 1, 1993:	(unnamed) ; Loamy-skeletal, mixed, superactive, frigid Typic Haploboroll

				United States Department of Agriculture
SSL	-	Project	CP91CO227   ROOSEVELT NATIONAL FOREST	Natural Resources Conservation Service
	-	Site ID	S1991CO069001   Lat: 40° 40' 33.00" north  Long: 105° 37' 40.00" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	91P0992	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
91P06209	A1	A1	0-3				SL	LCOS
91P06210	A2	A2	3-18				SL	COSL
91P06211	Bw	Bw	18-41				SL	SL
91P06212	Cr	CR	41-51					SL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.14	(NA)
Clay, carbonate free, Weighted Average	10	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	79	% wt
Volume, >2mm, Weighted Average	31	% vol
Clay, total, Weighted Average	10	% wt
Weighted averages based on control section: 25-41 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	3B1	3B1	3B1
91P06209	0-3	A1	S	lcos	7.8	13.0	79.2			5.7	7.3	9.9	20.0	18.9	16.8	13.6	10	12	13	80	35
91P06210	3-18	A2	S	cosl	8.1	16.7	75.2			8.2	8.5	8.7	20.3	18.3	14.0	13.9	12	10	26	83	48
91P06211	18-41	Bw	S	sl	10.2	17.5	72.3			9.2	8.3	10.1	20.0	19.8	14.5	7.9	13	16	15	79	44
91P06212	41-51	Cr	S	sl	9.1	12.0	78.9			4.6	7.4	9.1	22.6	24.5	16.1	6.6	17	32	20	91	69

*** Primary Characterization Data ***

Pedon ID: 91CO069001

( Larimer, Colorado )

Print Date: May 30 2024 10:10PM

Sampled As	:	Ratake		Loamy-skeletal, mixed, shallow Typic Haploborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0992

---

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	4B1c	3C2a1a		3D1		4C1		8D1	8D1
91P06209	0-3	A1	S							6.8		1.009				1.38	0.87
91P06210	3-18	A2	S	1.54	1.60	0.008		9.8	8.6	4.9		1.008		0.04		1.15	0.60
91P06211	18-41	Bw	S	1.49	1.55	0.009			12.5	5.7		1.012		0.07		1.14	0.56
91P06212	41-51	Cr	S	1.89	1.96	0.005			9.3	6.8		1.018		0.02		1.70	0.75

---

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

91P06211

18-41

Bw

S

NP

---

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 - - - - -)
				6A2d				6A1c		6C2b	6G7a	6D2a
91P06209	0-3	A1	S	2.37				2.52		0.8	0.1	tr
91P06210	3-18	A2	S	1.19				1.33		0.8	0.1	tr
91P06211	18-41	Bw	S	0.52				0.55		1.2	0.1	--
91P06212	41-51	Cr	S	0.29				0.32		1.4	0.1	--

*** Primary Characterization Data ***

Pedon ID: 91CO069001

( Larimer, Colorado )

Print Date: May 30 2024 10:10PM

Sampled As	:	Ratake		Loamy-skeletal, mixed, shallow Typic Haploborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0992

---

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			5A3a	5A8b			5C3	5C1
91P06209	0-3	A1	S	9.2*	1.3	0.1	0.4	11.0	1.6			12.6	10.8			87	100
91P06210	3-18	A2	S	8.4*	1.1	0.1	0.2	9.8	2.3			12.1	9.3			81	100
91P06211	18-41	Bw	S	10.6*	1.8	0.1	0.1	12.6	1.2			13.8	11.6			91	100
91P06212	41-51	Cr	S	16.7*	3.2	0.1	0.2	20.2	1.7			21.9	15.5			92	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 - -)

%

91P06209

0-3

A1

S

1

91P06210

3-18

A2

S

1

91P06211

18-41

Bw

S

1

91P06212

41-51

Cr

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

91P06209

0-3

A1

S

6.2

6.3

91P06210

3-18

A2

S

6.7

6.8

91P06211

18-41

Bw

S

6.7

7.0

91P06212

41-51

Cr

S

6.6

6.9

*** Primary Characterization Data ***

Pedon ID: 91CO069001

( Larimer, Colorado )

Print Date: May 30 2024 10:10PM

Sampled As	:	Ratake		Loamy-skeletal, mixed, shallow Typic Haploborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0992

---

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

&nbsp;

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

91P06211

18.0-41.0

Bw

tcly

MI 3

QZ 2

KK 2

FD 2

HE 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

29

15.7

&nbsp;

&nbsp;

5.1

&nbsp;

&nbsp;

&nbsp;

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

MINERAL INTERPRETATION:
FD Feldspar	HE Hematite	KK Kaolinite	MI Mica	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 91CO069001

( Larimer, Colorado )

Print Date: May 30 2024 10:10PM

Sampled As	:	Ratake		Loamy-skeletal, mixed, shallow Typic Haploborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0992

---

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

91P06211

18.0-41.0

Bw

vfs

 

 

 

 

 

 

 

 

 

12

BT 47

MS 18

QZ 12

FK 10

FP 4

OW 3

 

 

 

 

 

 

 

 

 

 

 

MI 3

HN 1

GS 1

GN tr

PR tr

OP tr

 

91P06211

18.0-41.0

Bw

fs

 

 

 

 

 

 

 

 

 

28

BT 55

QZ 28

MS 9

OT 4

FK 3

CA 1

 

 

 

 

 

 

 

 

 

 

 

AM tr

OP tr

 

 

 

 

 

91P06212

41.0-51.0

Cr

fs

 

 

 

 

 

 

 

 

 

9

BT 85

QZ 9

MS 3

OT 3

FK tr

CA tr

 

 

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	fs - Fine Sand 0.1-0.25 mm	 	 	 

MINERAL INTERPRETATION:
AM Amphibole	BT Biotite	CA Calcite	FK Potassium Feldspar	FP Plagioclase Feldspar
GN Garnet	GS Glass	HN Hornblende	MI Mica	MS Muscovite
OP Opaques	OT Other	OW Other Weatherable Minerals	PR Pyroxene	QZ Quartz