*** Primary Characterization Data ***

Pedon ID: 91CO077004

( Mesa, Colorado )

Print Date: Nov 21 2024 1:54PM

Sampled as on Apr 1, 1991:	Uffens ; Fine-loamy, mixed, mesic Typic Natrargid
Revised to correlated on Sep 1, 1992:	(unnamed) ; Fine-loamy, mesic Typic Natrargid

				United States Department of Agriculture
SSL	-	Project	CP91CO145   MESA	Natural Resources Conservation Service
	-	Site ID	91CO077004   Lat: 38° 52' 15.00" north  Long: 108° 18' 2.00" west  MLRA: 34	National Soil Survey Center
	-	Pedon No.	91P0633	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
91P03573	A	A	0-6				SCL	L
91P03574	Btkn1	BtNk1	6-29				SICL	CL
91P03575	Btkn2	BtNk2	29-53				SICL	CL
91P03576	2Bky1	2BkY1	53-78				CL	SIL
91P03577	2Bky2	2BkY2	78-128				CL	SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.75	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	23	% wt
Volume, >2mm, Weighted Average	21	% vol
Clay, total, Weighted Average	28	% wt
LE, Whole Soil, Summed to 1m	2	cm/m
Weighted averages based on control section: 6-29 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	3A1a1a	3B1	3B1	3B1
91P03573	0-6	A	S	l	16.5	40.0	43.5	1.5	0.6	19.3	20.7	31.8	6.9	1.9	0.9	2.0	4	8	10	32	49
91P03574	6-29	Btkn1	S	cl	28.4	34.6	37.0	6.2	3.1	16.0	18.6	26.2	7.7	1.9	0.6	0.6	4	4	6	23	35
91P03575	29-53	Btkn2	S	cl	34.7	37.9	27.4	10.2	8.4	19.4	18.5	17.1	7.0	2.0	0.6	0.7	1	2	7	19	18
91P03576	53-78	2Bky1	S	sil	5.4	63.2	31.4			38.1	25.1	14.1	11.6	3.8	0.9	1.0	2	2	4	24	16
91P03577	78-128	2Bky2	S	sil	7.6	59.8	32.6			49.6	10.2	10.1	13.0	7.2	2.0	0.3	4	6	28	52	71

*** Primary Characterization Data ***

Pedon ID: 91CO077004

( Mesa, Colorado )

Print Date: Nov 21 2024 1:54PM

Sampled As	:	Uffens		Fine-loamy, mixed, mesic Typic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0633

---

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	4E2a1a1a1	4C1		8D1	8D1
91P03573	0-6	A	S	1.45	1.52	0.010			18.1	9.3		1.023		0.08		0.95	0.56
91P03574	6-29	Btkn1	S	1.34	1.46	0.023			21.5	11.9		1.033		0.10		0.67	0.42
91P03575	29-53	Btkn2	S	1.37	1.52	0.031			28.0	15.5		1.030		0.15		0.56	0.45
91P03576	53-78	2Bky1	S	1.31	1.46	0.033			23.4	12.5		1.060	1.030	0.13		3.15	2.31
91P03577	78-128	2Bky2	S	1.24	1.29	0.006			22.1	11.1		1.070	1.020	0.06		1.83	1.46

---

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

91P03573

0-6

A

S

0.77

91P03574

6-29

Btkn1

S

0.50

91P03575

29-53

Btkn2

S

0.50

91P03576

53-78

2Bky1

S

0.31

91P03577

78-128

2Bky2

S

0.09

---

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						5A8b			5C3	5C1
91P03573	0-6	A	S	49.6*	4.7	0.1	1.2						15.7			100	100
91P03574	6-29	Btkn1	S	49.0*	5.2	1.4	0.7						18.9			100	100
91P03575	29-53	Btkn2	S	48.4*	7.2	8.8	0.2						19.3			100	100
91P03576	53-78	2Bky1	S	167.2*	6.5	8.3	0.1						17.0			100	100
91P03577	78-128	2Bky2	S	179.3*	12.2	10.6	0.1						13.9			100	100

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

*** Primary Characterization Data ***

Pedon ID: 91CO077004

( Mesa, Colorado )

Print Date: Nov 21 2024 1:54PM

Sampled As	:	Uffens		Fine-loamy, mixed, mesic Typic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0633

---

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
91P03573	0-6	A	S	4.7	1.1	1.0	0.6	--	4.3	0.2	0.6				1.8	0.2	0.1	29.7	tr	0.72	0.41	1	1
91P03574	6-29	Btkn1	S	2.5	0.8	6.5	tr	--	3.2	0.2	0.5				5.1	--	0.1	38.7	tr	0.95	0.47	6	5
91P03575	29-53	Btkn2	S	1.7	1.1	30.5		--	3.3	0.7	15.3				11.6	--	--	53.1	0.1	3.23	1.50	37	26
91P03576	53-78	2Bky1	S	25.1	13.7	84.2		--	2.1	1.7	29.2				89.6	--	--	47.8	0.3	7.95	4.82	25	19
91P03577	78-128	2Bky2	S	24.9	27.1	106.6	0.2	--	1.6	2.5	40.8				109.7	--	--	49.5	0.4	9.40	5.18	38	21

---

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
91P03573	0-6	A	S		7.9	8.3	7.9			6
91P03574	6-29	Btkn1	S		7.9	8.5	7.8			7
91P03575	29-53	Btkn2	S		8.1	8.7	8.0			19		--
91P03576	53-78	2Bky1	S		7.8	7.7	7.7			15		13
91P03577	78-128	2Bky2	S		7.6	7.5	7.8			5		25

*** Primary Characterization Data ***

Pedon ID: 91CO077004

( Mesa, Colorado )

Print Date: Nov 21 2024 1:54PM

Sampled As	:	Uffens		Fine-loamy, mixed, mesic Typic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0633

---

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
91P03574	6.0-29.0	Btkn1	tcly	MI 3	KK 3	MT 3	CA 2	MM 1						17	6.3			2.6
				QZ 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	MI Mica	MM Montmorillonite-Mica	MT Montmorillonite
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: 91CO077004

( Mesa, Colorado )

Print Date: Nov 21 2024 1:54PM

Sampled As	:	Uffens		Fine-loamy, mixed, mesic Typic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0633

---

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

91P03574

6.0-29.0

Btkn1

vfs

71

QZ 69

FK 12

OT 7

BT 3

CB 2

FP 2

OP 2

HN 1

PR 1

CA 1

MS tr

GA tr

GS tr

AM tr

GN tr

TM tr

CL tr

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

MINERAL INTERPRETATION:
AM Amphibole	BT Biotite	CA Calcite	CB Carbonate Aggregates	CL Chlorite
FK Potassium Feldspar	FP Plagioclase Feldspar	GA Glass Aggregates	GN Garnet	GS Glass
HN Hornblende	MS Muscovite	OP Opaques	OT Other	PR Pyroxene
QZ Quartz	TM Tourmaline