Page8 Page

9

Page10

Page1

Page2

Page3

Page5

Page7

Page6

Page4

Filen

ame:T

:\Proj

ect\2

1-1\21

199_

Skag

it Rive

r\Av_

mxd\2

011 F

inal R

eport

\Fig_

1_Vic

inity.

mxd

Date

:1/28

/2011

ATJ

Skagit River Levee General InvestigationSkagit County, Washington

VICINITY MAP

FIG. 1January 2011 21-1-21199-0010 4 82

Miles

µ

Project Site§̈¦5

UV90

Filename: T:\Project\21-1\21199_Skagit River\Av_mxd\Final Report\Fig_1_Legend.mxd Date:1/24/2011 (ATJ)

Skagit River Levee General InvestigationSkagit County, Washington

LEGEND

FIG. 2

1. Historical explorations provided by General Design Memorandum Levee Improvements Vol. 2 of 2 July 1979; Preliminary Geotechnical Evaluation City of Burlington and Dike District 12 Levee Certification; and Geotechnical Investigation and Levee Analysis City of Burlington and Dike District 12 Levee Certification.2. Pump station, levee relief well, levee centerline and gravity drain features provided by GIS from the USACE Seattle District.3. Geology from the Washington State Department of Natural Resources, GIS data Surface Geology, available: http://www.dnr.wa.gov/ResearchScience/Topics/GeosciencesData/Pages/gis_data.aspx, accessed 2009.4. In Figure 4, geologic units are displayed within a 3,500 ft buffer of the Skagit River and the surrounding levees.

January 2011 21-1-21199-001

GEOLOGIC UNITS( Figure 4)

( Figures 3 and 4)HISTORICAL EXPLORATIONS & PROJECT FEATURES

NOTES

Qga - advance continental glacial outwash, Fraser-agemostly Vashon Stade in western WA; unnamed in eastern WAQgas - advance continental glacial outwash, sand, Fraser-agemostly Vashon Stade in western WA; unnamed in eastern WA

Qgd - continental glacial drift, Fraser-age

Qgdm(e) - glaciomarine drift, Fraser-ageEverson Glaciomarine Drift

Qgo - continental glacial outwash, Fraser-agemostly Vashon Stade in western WA; unnamed in eastern WAQgo(e) - continental glacial outwash, Fraser-ageEverson Interstade, outwash deposits of

Qgom(e) - continental glacial outwash, marine, Fraser-ageEverson Glaciomarine Drift, outwash, marine

Qgpc - continental glacial drift, pre-Fraser, and nonglacial deposits

Qgt - continental glacial till, Fraser-agemostly Vashon Stade in western WA; unnamed in eastern WA

Qls - mass-wasting deposits, mostly landslides

Qoa - alluvium, older

Qoa(s) - alluvium, older, sand facies

Qp - peat deposits

Qta - talus deposits

Qvl(k) - lahars, Kennedy Creek assemblage

wtr - water

Qf - artificial fill, including modified land

Qaf - alluvial fan deposits

Qad - alpine glacial drift, Fraser-age

Qa(s) - alluvium, sand

Qa(c) - alluvium, clay and silt

Qa - alluvium

Qc(o) - continental sedimentary deposits or rocksOlympia-age nonglacial sediments

Oigd(md) - granodiorite

OEn(b) - nearshore sedimentary rocks

OEc(b) - continental sedimentary deposits or rocks

Evr - rhyolite flows

Ec(c) - continental sedimentary deposits or rocks, Chuckanut Formation

Ec(cb) - continental sedimentary deposits or rocks, Bellingham Bay Member

Ec(b) - continental sedimentary deposits or rocks, Barlow Pass Volcanics

TRPMu(n) - ultrabasic rocksNapeequa unit, Chelan Mountains terraneTRhm(cc) - heterogeneous metamorphic rocksCas. Riv. unit, Chelan Mtns. terr., Cas. Riv. SchistTRiq(m) - quartz dioriteMarblemount Meta-Quartz Diorite, Chelan Mts. terrane

MZu(h) - ultrabasic rocksMZPZms(r) - metasedimentary rocksMZPZigb - gabbro

Kog(c - orthogneiss

Jsh(s) - schist, low grade, Shuksan Greenschist

Jph(d) - phyllite, low grade,Darrington Phyllite

TRPMhmc(n) - heterogeneous metamorphic rocks, chert bearing Napeequa unit, Chelan Mtns. terr., Napeequa Schist

TKog(s) - orthogneiss, Skagit Gneiss

pDi(y) - intrusive rocks, undividedYellow Aster Complex of Misch (1966)

PMDmv(c) - metavolcanic rocks

PMDms(c) - metasedimentary rocks

PMDmb(c) - marble

Golder Associates (CPT, 2009)""

Golder Associates (2009)!<

Landau Associates (2003)!A

USACE (1979)&< Gravity Drain

Historical Dike Failures

Levee

City Boundary

Piezometer/Monitoring Well_̂Levee Relief Well#*

Pump Station!.

!( Shannon and Wilson (2000)XXX

!(

RepairsFactor of Safety is less than 1.4 for existing levee static slope stability (Golder Associates, 2009) Repair Zones

County Boundary

^

^

^̂

^̂

^

^

^

^

^

^̂

^

^

^

^

^

^

^̂

&<

&<

&<&<

&<

&<&<

&<&<&<

&<

&<

&<

&<

&<

&<

&<

&<

!.

!.

!.!.

!.

!.

!.

!.

!.

!.

!.

!.

!.

!.!.

XXX

XXX

Lake Ketchum

78-HA-69

78-HA-68

78-HA-67

78-HA-65

78-HA-64

78-HA-63

78-WB-46

78-WB-50

64-HA-1978-WB-49

78-WB-48

64-HA-18

78-WB-47

78-PA-222

78-PA-223

79-RD-30579-RD-30678-PA-224

79-RD-30479-RD-303

79-HD-302

79-RD-301

78-PA-221

78-PA-220

78-PA-276

78-PA-219

78-PA-275

78-RD-107

SKA 79-1

SKA-1-90(B)

SKA 79-2

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 101

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

^

^

^̂

^̂

^

^

^

^

^

^̂

^

^

^

^

^

^

^̂

&<&<

&<

&<

&<&<

&<

&<

&<&<

&<

&<

&<&<&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<

&<

&<&<

&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<

&<&<

&<

&<

&<&<

&<&<&<

&<

!.

!.

!.!.

!.

!.

!.

!.

!.

!.

!.

!.

!.

!.!.

XXX

XXX

XXX

XXX

XXX

XXXXXX

XXX

Fir Island

Conway

78-HA-63

78-WB-46

78-WB-50

64-HA-1978-WB-49

78-WB-48

64-HA-18

78-WB-47

64-HA-17

64-HA-16

64-HA-1464-HA-15

64-HA-3164-HA-30

64-HA-2864-HA-29

64-HA-2764-HA-26 64-HA-24

64-HA-25

78-WB-41

78-WB-42

64-HA-2264-HA-21

64-HA-23

78-WB-45

78-WB-44

64-HA-1364-HA-12

78-PA-222

78-PA-223

79-RD-30579-RD-30678-PA-224

79-RD-30479-RD-303

79-HD-302

79-RD-301

78-PA-221

78-PA-220

78-PA-276

78-PA-219

78-PA-275

78-PA-27478-PA-218

78-PA-27378-RD-106

78-PA-27278-HA-217

78-PA-27178-PA-216

78-PA-270

78-PA-215

78-PA-269

78-HA-20478-PA-205

78-RD-121 78-PA-23178-RD-122

78-RD-102

78-PA-207

78-PA-23278-RD-105

78-PA-208

78-PA-10478-PA-209

78-PA-268

78-PA-213

78-PA-214 78-PA-267

78-HA-266

78-HA-265

78-PA-217A

78-PA-266A

78-PA-265A

56-Rexville-06

56-Rexville-02,b,c,d

56-Rexville-0356-Rexville-04

56-Rexville-01,a,b

78-RD-107

78-RD-123

78-RD-105

SKA-1-90(B)

SKA-95-5(C)

SKA-95-5

SKA-1-90(B)

SKA-95-5(B) SKA-1-90(B)

SKA-1-90(B)

SKA 79-1

SKA-1-90(B)

SKA 79-2

SKA-1-90(B)

SKA-1-90(B)

SKA-1-90(A)SKA-1-90(A)

SKA-1-90(A)

SKA-95-2

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 102

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

^

^

^̂

^̂

^

^

^

^

^

^̂

^

^

^

^

^

^

^̂

&<

&<

&<

&<

&<

&<

&<&<&<

&<&<

&<

&<

&<&<

&<

&<

&<&<&<

&<

&<&<

&<&<

&<&<

&<

&<

&<

&<

&<&<

&<

&<

&<

&<

&<&<

&<&<&<

&<&<&<&<&<

&<

&<&<&<&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<

&<

&<&<&<&<&<&<&<&<&<

&<

&<

!.

!.

!.!.

!.

!.

!.

!.

!.

!.

!.

!.

!.

!.!.

XXX

XXX

XXX

XXXXXX

XXX XXX XXX

XXXXXX

XXX

XXX

Fir Island

Conway

78-WB-46

78-WB-50

64-HA-1978-WB-49

78-WB-48

64-HA-18

78-WB-47

64-HA-17

64-HA-16

64-HA-1464-HA-15

78-WB-59

78-WB-5778-WB-5878-WB-34

78-WB-6278-WB-37

78-WB-38

78-WB-39

78-WB-40 64-HA-3164-HA-30

64-HA-2864-HA-29

64-HA-2764-HA-26 64-HA-24

64-HA-25

78-WB-41

78-WB-42

64-HA-2264-HA-21

64-HA-23

78-WB-45

78-WB-44

64-HA-1364-HA-12

78-PA-223

79-RD-30579-RD-30678-PA-224

79-RD-30479-RD-303

79-HD-302

79-RD-301

78-PA-221

78-PA-220

78-PA-276

78-PA-219

78-PA-275

78-PA-27478-PA-218

78-PA-27378-RD-106

78-PA-27278-HA-217

78-PA-27178-PA-216

78-PA-270

78-PA-215

78-PA-269

78-PA-230

78-PA-200

79-RD-300

78-RD-101 78-PA-203

78-HA-20478-PA-205

78-RD-121 78-PA-23178-RD-122

78-RD-102

78-PA-207

78-PA-23278-RD-105

78-PA-208

78-PA-10478-PA-209

78-PA-210

78-PA-268

78-PA-213

78-PA-214 78-PA-267

78-HA-266

78-HA-265

78-PA-212 78-PA-264

78-PA-263

78-PA-217A

78-PA-266A

78-PA-265A

56-Rexville-06

56-Rexville-02,b,c,d

56-Rexville-0356-Rexville-04

56-Rexville-01,a,b

78-RD-107

78-WB-6078-WB-35

78-PA-201

78-PA-20164-HA-32 64-HA-33

78-RD-138

78-RD-6178-WB-36

78-RD-10078-RD-100

78-PA-202

78-RD-123

78-RD-105

SKA-1-90(B)

SKA-95-5(C)

SKA-95-5

SKA-1-90(B)

SKA-95-5(B) SKA-1-90(B)

SKA-1-90(B)

SKA-1-90(B)

SKA 79-2

SKA-1-90(B)

SKA-1-90(B)

SKA-1-90(A)SKA-1-90(A)

SKA-1-90(A)SKA-1-90(A)

SKA-1-90(A)

SKA-95-2

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 103

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

^

^

^̂

^̂

^

^

^

^

^

^̂

^

^

^

^

^

^

^̂

&<

&<

&<

&<

&<

&<

&<&<

&<

&<

&<

&<

&<

&<&<

&<&<

&<&<

&<&<

&<&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<&<&<

&<&<

&<

&<

&<&<

&<

&<

&<&<&<

&<

&<&<

&<&<

&<&<

&<

&<

&<&<

&<

&<

&<

&<

&<&<&<&<&<&<&<&<&<

&<

&<

!.

!.

!.!.

!.

!.

!.

!.

!.

!.

!.

!.

!.

!.!.

XXX XXX XXX

XXXXXX

XXX

XXX

Fir Island

64-HA-16

64-HA-1464-HA-15

78-WB-6278-WB-37

78-WB-38

78-WB-39

78-WB-40 64-HA-3164-HA-30

64-HA-2864-HA-29

64-HA-2764-HA-26 64-HA-24

64-HA-25

78-WB-41

78-WB-42

64-HA-2264-HA-21

64-HA-23

78-WB-45

78-WB-44

64-HA-1364-HA-12

78-WB-56 78-WB-55

78-WB-54

78-WB-52

78-WB-51

78-WB-53

78-PA-27378-RD-106

78-PA-27278-HA-217

78-PA-27178-PA-216

78-PA-270

78-PA-215

78-PA-269

78-PA-230

78-RD-101 78-PA-203

78-HA-20478-PA-205

78-RD-121 78-PA-23178-RD-122

78-RD-102

78-PA-207

78-PA-23278-RD-105

78-PA-208

78-PA-10478-PA-209

78-PA-210

78-PA-268

78-PA-213

78-PA-214 78-PA-267

78-HA-266

78-HA-265

78-PA-212 78-PA-264

78-PA-263

78-PA-237

78-PA-269

78-PA-261

78-RD-124

78-RD-125 78-PA-260

78-PA-239

78-PA-258

78-PA-259

78-PA-240

78-PA-257

78-RD-135

78-PA-241

78-PA-13478-PA-13378-RD-119

78-PA-132

78-PA-131

78-RD-130

78-RD-118

78-RD-116

78-PA-217A

78-PA-266A

78-PA-265A

56-Rexville-06

56-Rexville-02,b,c,d

56-Rexville-0356-Rexville-04

56-Rexville-01,a,b

64-HA-33

78-RD-138

78-RD-6178-WB-36

78-RD-10078-RD-100

78-PA-202

78-RD-123

78-RD-117

78-RD-120

78-RD-105

SKA-1-90(B)

SKA-95-5(C)

SKA-95-5

SKA-1-90(B)

SKA-95-3

SKA-95-5(B) SKA-1-90(B)

SKA-1-90(B)

SKA-1-90(B)

SKA-1-90(B)

SKA-1-90(A)SKA-1-90(A)

SKA-1-90(A)SKA-1-90(A)

SKA-1-90(A)

SKA-95-2

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 104

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

!(

^^

^

^

^

^̂

^̂

^

^

^

^

^

^̂

^

^

^

^

^

^

^̂

&<

&<

&<

&<

&<&<

&<

&<&<

&<&<

&<&<

&<

&<&<

&<&<&<

&<&<&<&<

&<&<

&<&<

&<

&<

&<

&<&<&<

&<

&<&<

&<&<

&<&<&<

&<

&<

&<&<

&<&<

&<&<&<

&<

&<

&<&<

&<

&<&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<&<

&<

!.

!.

!.!.

!.

!.

!.

!.

!.

!.

!.

!.

!.

!.!.

!<

!<

!<

!<

!<

!<!<!<!<!<!<!<

!<!<!<

!<

""

""

""""""

""

XXX

XXX

XXX

XXXXXX

!A!A!A!A!A!A

1917

1909

1909

Mount Vernon

1909

1894

1917

1917

1932

1921

1909

1917

1921

Burlington

64-HA-864-HA-964-HA-5

64-HA-764-HA-6

64-HA-464-HA-3

64-HA-2

64-HA-1

78-WB-56 78-WB-55

78-WB-54

78-WB-52

78-WB-51

78-WB-53

64-HA-1064-HA-11

78-PA-263

78-PA-237

78-PA-269

78-PA-261

78-RD-124

78-RD-125 78-PA-260

78-PA-239

78-PA-258

78-PA-259

78-PA-240

78-PA-257

78-RD-135

78-PA-241

78-PA-13478-PA-13378-RD-119

78-PA-132

78-PA-131

78-RD-130

78-RD-118

78-RD-116

78-PA-243

78-RD-115

78-PA-244

78-HA-11478-RD-126

78-RD-28578-RD-113

78-RD-12778-RD-11278-RD-111

78-HA-110

78-HA-228

78-PA-28478-HA-229

78-PA-245

78-RD-128 78-PA-246

78-RB-10978-RD-108

78-HA-129

78-PA-24778-PA-227

78-PA-226

78-PA-248

78-PA-249

78-RD-136

78-PA-250

78-PA-251

78-PA-252

78-RD-114A

78-RD-110A 78-RD-129A

78-PA-229A

78-RD-117

78-RD-120

B-1 through B-8

B-10

B-9

78-HA-228A

GB-9 GB-7

CPT-9

CPT-8

CPT-7

CPT-6

CPT-5

GB-27 GB-26

GB-25

GB-23GB-22

GB-20

GB-19

GB-17

GB-16GB-15

GB-13

GB-12

GB-11

CPT-11CPT-10

GB-28GB-24

GB-21

GB-18

GB-14

GB-10

B-1 through B-6

FS< USACE minimum

SKA 95-1SKA-4-90

SKA-4-90

SKA-95-3

SKA 79-5

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 105

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

!(

!(

^

^

^^

^

^

^

^̂

^̂

^

^

^

^

^

^̂

^

^

^

^

^

^

^̂

&<&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<&<

&<

&<&<

&<&<

&<&<

&<&<&<

&<&<&<&<

!.

!.

!.!.

!.

!.

!.

!.

!.

!.

!.

!.

!.

!.!.

!<

!<!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<!<!<!<!<!<!<

!<!<!<

!<

""

""

""

""

""

""

""

""""""

""

XXX

XXXXXX

!A!A!A!A!A!A

1917

1909

1909

Mount Vernon

1909

1894

1917

1917

1932

1921

1909

1917

1921

1917,1921

1909,1917,1932

1935

Burlington

Sedro-Woolley

GB-8

64-HA-864-HA-964-HA-5

64-HA-764-HA-6

64-HA-464-HA-3

64-HA-2

64-HA-1

78-WB-52

78-WB-51

64-HA-1064-HA-11

78-RD-130

78-RD-116

78-PA-243

78-RD-115

78-PA-244

78-HA-11478-RD-126

78-RD-28578-RD-113

78-RD-12778-RD-11278-RD-111

78-HA-110

78-HA-228

78-PA-28478-HA-229

78-PA-245

78-RD-128 78-PA-246

78-RB-10978-RD-108

78-HA-129

78-PA-24778-PA-227

78-PA-226

78-PA-248

78-PA-249

78-RD-136

78-PA-250

78-PA-251

78-PA-252

78-PA-253

78-PA-254

78-PA-255

78-PA-256

78-RD-278

78-RD-283 78-RD-282

78-RD-114A

78-RD-110A 78-RD-129A

78-PA-229A

78-RD-117

B-1 through B-8

B-10

B-9

78-HA-228A

GB-9 GB-7

GB-5GB-4

GB-3

GB-2

GB-1

CPT-9

CPT-8

CPT-7

CPT-6

CPT-5

CPT-4

CPT-3

CPT-2

CPT-1

GB-27 GB-26

GB-25

GB-23GB-22

GB-20

GB-19

GB-17

GB-16GB-15

GB-13

GB-12

GB-11

GB-6

CPT-11CPT-10

GB-28GB-24

GB-21

GB-18

GB-14

GB-10

B-1 through B-6

FS< USACE minimum

FS< USACE minimum

SKA 95-1SKA-4-90

SKA-4-90

SKA-95-3

SKA 79-5

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 106

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

&<&<

1909,1917,1932

1935

Sedro-Woolley

78-PA-253

78-PA-254

78-PA-255

78-PA-256

78-RD-278

78-RD-283 78-RD-282

GB-7

GB-5GB-4

GB-3

GB-2

GB-1

CPT-5

CPT-4

CPT-3

CPT-2

CPT-1

GB-6

FS< USACE minimum

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 107

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

XXX

XXX

Sedro-Woolley

LymanHamiltonSKA 79-3

SKA 96-6

SKA 79-4

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 108

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

Concrete

Rockport

Marblemount

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 109

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

Rockport

Marblemount

Filen

ame:

T:\P

rojec

t\21-1

\2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_2_

SiteP

lan.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

PROJECT FEATURES AND HISTORICAL EXPLORATIONS

FIG. 3Sheet of 1010

January 2011 21-1-21199-001

µ0 2,000 4,0001,000

Feet

See Figure 2 for legend and references.NOTE

8 910

123

576

4

§̈¦I5 UV20

^̂

_̂

_̂

_̂̂_

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂

_̂̂_

&<

&<

&<&<

&<&<&<

&<

&<

&<

&<

&<

&<

&<

&<

Lake Ketchum

78-HA-69

78-HA-68

78-HA-67

78-HA-65

78-HA-64

78-HA-63

78-WB-46

78-WB-50

64-HA-1978-WB-49

78-WB-48

64-HA-18

78-WB-47

78-PA-222

78-PA-223

79-RD-30579-RD-30678-PA-224

79-RD-30479-RD-303

79-HD-302

79-RD-301

78-PA-221

78-PA-220

78-RD-107

Qa(c)

wtr

Qp

Qp

Qp

Qf

Qf

Qf

Qf

Qa(c)

Qgdm(e)

Qf

Qp

Qa(c)

Qgt

Qp

Qa(c)

Qp

Qls

Qa(c)

Qgas

Qgt

Qp

Qa(c)

Qgas

Qgo

Qp

Qf

Qa(c)

Qa(c)

§̈¦5

UV530

Pione

er

MilltownStarbird

Cedardale

Old P

acific

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 101

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

^̂

^̂

_̂

_̂

_̂̂_

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂

_̂̂_

&<

&<

&<&<&<

&<&<&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<

&<

&<&<

&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<&<

&<&<

&<

&<

&<

&<

&<&<

&<

&<

&<&<

&<&<&<

&<

Fir Island

Conway

78-WB-46

78-WB-50

64-HA-1978-WB-49

78-WB-48

64-HA-18

78-WB-47

64-HA-17

64-HA-16

64-HA-1464-HA-15

64-HA-3164-HA-30

64-HA-2864-HA-29

64-HA-2764-HA-26 64-HA-24

64-HA-25

78-WB-41

78-WB-42

64-HA-2264-HA-21

64-HA-23

64-HA-12

78-PA-222

78-PA-223

79-RD-30579-RD-30678-PA-224

79-RD-30479-RD-303

79-HD-302

79-RD-301

78-PA-221

78-PA-220

78-PA-276

78-PA-219

78-PA-275

78-PA-27478-PA-218

78-PA-27378-RD-106

78-PA-27278-HA-217

78-PA-27178-PA-216

78-PA-270

78-PA-215

78-PA-269

78-PA-205

78-RD-121 78-PA-23178-RD-122

78-RD-102

78-PA-207

78-PA-23278-RD-105

78-PA-268

78-PA-214 78-PA-267

78-PA-217A

56-Rexville-06

56-Rexville-02,b,c,d

56-Rexville-0356-Rexville-04

56-Rexville-01,a,b

78-RD-107

78-RD-123

78-RD-105

Qa(c)

Qa(c)

Qf

Qf

Qgdm(e)

Qp

wtr

Qf

Qgt

Qf

Qf

OEc(b)

Qp

Qa

QpQa(c)

Qa(c)

Ec(c)

Qf

Qa(c)Qf

Qgo

Evr

Qf

Qa(c)

Qa(c)

OEn(b)

Qa(c)

Qa(c)

Qa(c)

Qp

§̈¦5

UV530

UV534 534Fir Island

Ceda

rdale

Pione

er

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 102

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

^

_̂

_̂

_̂̂_

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂

_̂̂_

&<

&<

&<

&<

&<

&<&<&<

&<&<

&<

&<

&<&<

&<

&<

&<&<&<

&<

&<&<

&<&<

&<&<

&<

&<

&<

&<

&<&<

&<

&<

&<

&<

&<&<

&<&<&<

&<&<&<&<&<

&<

&<&<&<&<

&<

&<

&<&<

&<

&<&<&<&<&<&<&<&<&<

&<

&<

Fir Island

78-WB-46

78-WB-50

64-HA-1978-WB-49

78-WB-48

64-HA-18

78-WB-47

64-HA-17

64-HA-16

64-HA-1464-HA-15

78-WB-59

78-WB-5778-WB-5878-WB-34

78-WB-6278-WB-37

78-WB-38

78-WB-39

78-WB-40 64-HA-3164-HA-30

64-HA-2864-HA-29

64-HA-2764-HA-26 64-HA-24

64-HA-25

78-WB-41

78-WB-42

64-HA-2264-HA-21

64-HA-23

78-WB-45

78-WB-44

64-HA-1364-HA-12

79-RD-301

78-PA-221

78-PA-220

78-PA-219

78-PA-218

78-RD-106

78-PA-27278-HA-217

78-PA-27178-PA-216

78-PA-215

78-PA-269

78-PA-230

78-PA-200

79-RD-300

78-RD-10178-PA-203 78-HA-204

78-PA-205

78-RD-121 78-PA-23178-RD-122

78-RD-102

78-PA-207

78-PA-23278-RD-105

78-PA-208

78-PA-10478-PA-209

78-PA-210

78-PA-213

78-PA-214 78-PA-267

78-HA-266

78-HA-265

78-PA-212 78-PA-264

78-PA-217A

78-PA-266A

78-PA-265A

56-Rexville-06

56-Rexville-02,b,c,d

56-Rexville-0356-Rexville-04

56-Rexville-01,a,b

78-RD-107

78-WB-6078-WB-35

78-PA-201

78-PA-20164-HA-32 64-HA-33

78-RD-138

78-RD-6178-WB-36

78-RD-10078-RD-100

78-PA-202

78-RD-123

78-RD-105

Qa(c)

Qa(c)

Qgt

Qf

wtr

Qp

Qf

OEc(b)

Qp QpQa(c)

Ec(c)

OEc(b)OEc(b)

OEc(b) Ec(c)OEc(b)

Ec(c)

wtr

Qgt

OEc(b)

Best

Fir Island

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 103

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

^

^

^

^̂

_̂

_̂

_̂̂_

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂

_̂̂_

&<

&<

&<

&<

&<

&<&<

&<

&<

&<

&<

&<

&<&<

&<&<

&<&<

&<&<

&<&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<&<&<

&<&<

&<

&<

&<&<

&<

&<

&<&<&<

&<

&<&<

&<&<

&<&<

&<

&<&<

&<

&<

&<

&<&<&<&<&<&<&<&<&<

&<

&<

Fir Island

64-HA-1464-HA-15

78-WB-39

78-WB-40 64-HA-3164-HA-30

64-HA-2864-HA-29

64-HA-2764-HA-26 64-HA-24

64-HA-25

78-WB-41

78-WB-42

64-HA-2264-HA-21

64-HA-23

78-WB-45

78-WB-44

64-HA-1364-HA-12

78-WB-56 78-WB-55

78-WB-54

78-PA-27178-PA-216

78-PA-270

78-PA-215

78-PA-269

78-PA-230

78-HA-20478-PA-205

78-RD-121 78-PA-23178-RD-122

78-RD-102

78-PA-207

78-PA-23278-RD-105

78-PA-208

78-PA-10478-PA-209

78-PA-210

78-PA-268

78-PA-213

78-PA-214 78-PA-267

78-HA-266

78-HA-265

78-PA-212 78-PA-264

78-PA-263

78-PA-237

78-PA-269

78-PA-261

78-RD-124

78-RD-125 78-PA-260

78-PA-239

78-PA-258

78-PA-259

78-PA-240

78-PA-257

78-RD-135

78-PA-241

78-PA-13478-PA-13378-RD-119

78-PA-132

78-PA-217A

78-PA-266A

78-PA-265A

56-Rexville-06

56-Rexville-02,b,c,d

56-Rexville-0356-Rexville-04

56-Rexville-01,a,b

78-RD-123

78-RD-120

78-RD-105

Qa(c)

Qa(c)

Qa(c)

wtr

Qa(s)

Qf

Qf Qf

Qa(s)

Qf

Qa(s)

Qa

Qa(s)

Evr

MZu(h)

Qa(s)

Qvl(k)

Qgt Ec(c)

Qgdm(e)

Ec(c)

OEc(b)

wtr

Qa(s)

Ec(c)

Qa(c)

Qa(s)

Ec(c)

Qa(s)

§̈¦5

Ceda

rdale

Old H

ighwa

y 99 S

Blackburn

18th15

th3rd

Mount Vernon

2nd

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 104

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

^

^

^

^

^

^

^

^

^

_̂

_̂

_̂̂_

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂

_̂̂_

&<

&<

&<

&<&<

&<

&<&<

&<&<

&<&<

&<

&<&<

&<&<&<&<&<&<&<

&<&<

&<&<&<

&<

&<

&<&<&<

&<

&<&<

&<&<

&<&<&<

&<

&<

&<&<

&<&<

&<&<&<

&<

&<

&<&<

&<

&<&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<&<

!<

!<

!<

!<

!<!<!<!<!<!<!<

!<!<!<

!<

""

""

""""""

""

!A!A!A!A!A!A

Mount Vernon

Burlington

64-HA-864-HA-964-HA-5

64-HA-764-HA-6

64-HA-464-HA-3

64-HA-2

64-HA-1

78-WB-56 78-WB-55

78-WB-54

78-WB-52

78-WB-51

78-WB-53

64-HA-1064-HA-11

78-PA-237

78-PA-269

78-PA-261

78-RD-124

78-RD-125 78-PA-260

78-PA-239

78-PA-258

78-PA-259

78-PA-240

78-PA-257

78-RD-135

78-PA-241

78-PA-13478-PA-13378-RD-119

78-PA-132

78-PA-131

78-RD-130

78-RD-118

78-RD-116

78-PA-243

78-RD-115

78-PA-244

78-HA-11478-RD-126

78-RD-28578-RD-113

78-RD-12778-RD-11278-RD-111

78-HA-110

78-HA-228

78-PA-28478-HA-229

78-PA-245

78-RD-128 78-PA-246

78-RB-10978-RD-108

78-HA-129

78-PA-24778-PA-227

78-PA-226

78-PA-248

78-PA-249

78-RD-136

78-PA-250

78-RD-114A

78-RD-110A 78-RD-129A

78-PA-229A

78-RD-117

78-RD-120

B-1 through B-8

B-10

B-9

78-HA-228A

CPT-9

CPT-8

CPT-7

CPT-6

GB-27GB-26

GB-25

GB-23GB-22

GB-20

GB-19

GB-16

GB-15

GB-13

GB-12

CPT-11 CPT-10GB-28 GB-24

GB-21

GB-18

GB-14

B-1 through B-6

Qa(s)

Qvl(k)

Qf

wtr

Qf

Qvl(k)

Qa(c)

Qgdm(e)

Qvl(k)

Qa(s)

Qa(s)

Qvl(k)

Qa(s)Qf

Qa(s)

Qa(s)

Qa(s)

Qf

Qa(c)

Qgas

Qa(s)

Qa(s)

Qa

Qa(c) Qa(s)

§̈¦5UV536

UV538

Fir

18th

College

15th

Division

Memorial

3rd

HoagMartin

Section

Lave

nture

Waug

h

4th

1st

Freeway

Rivers

ide

Digby

Broad

20

8th

FultonDivision

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 105

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

^

^

^

^

^

^

^

^

^

^

_̂

_̂

_̂̂_

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂̂_

_̂

_̂

_̂

_̂

_̂

_̂

_̂̂_

&<&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<

&<&<

&<

&<&<

&<&<

&<&<

&<&<&<&<&<&<&<

!<

!<!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<

!<!<!<!<!<!<!<

!<!<!<

!<

""

""

""

""

""

""

""

""""""

""

!A!A!A!A!A!A

Mount Vernon

Burlington

GB-8

64-HA-864-HA-964-HA-5

64-HA-764-HA-6

64-HA-464-HA-3

64-HA-2

64-HA-1

78-RD-11578-HA-114

78-RD-126

78-RD-28578-RD-113

78-RD-11278-RD-111

78-HA-110

78-HA-228

78-PA-28478-HA-229

78-PA-245

78-RD-128 78-PA-246

78-RB-10978-RD-108

78-HA-129

78-PA-24778-PA-227

78-PA-226

78-PA-248

78-PA-249

78-RD-136

78-PA-250

78-PA-251

78-PA-252

78-PA-253

78-PA-254

78-PA-255

78-PA-256

78-RD-278

78-RD-283 78-RD-282

78-RD-114A

78-RD-110A 78-RD-129A

78-PA-229A

B-1 through B-8

B-10

B-9

78-HA-228A

GB-9 GB-7

GB-5GB-4

GB-3

GB-2

GB-1

CPT-9

CPT-8

CPT-7

CPT-6

CPT-5

CPT-4

CPT-3

CPT-2

CPT-1

GB-27GB-26

GB-25

GB-23GB-22

GB-20

GB-19

GB-16

GB-15

GB-13

GB-12

GB-11

GB-6i

CPT-11 CPT-10GB-28 GB-24

GB-21

GB-18

GB-14

GB-10

B-1 through B-6

wtr

Qa(s)

Qa(c)

Qa(s)

QfQa(s)

Qvl(k)

Qa

Qgdm(e)

Qa(s)

Qf

Qa(s)

Jph(d)

Qa

wtr

Qa

Qgt

Qa

Qvl(k)

Qa

Qa(s)

wtr

wtr

Qa(s)

wtr

Qa(c)

wtr

wtr

§̈¦5

UV9

UV20

UV11

UV99

UV20

9

20 Burlin

gton

HoagMartin

11

Cascade

Rivers

ide

Fairhaven

Rio Vista

20

20

Cascade

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 106

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

&<&<

Sedro-Woolley

78-PA-253

78-PA-255

78-PA-256

78-RD-278

78-RD-283 78-RD-282

GB-4

GB-3

GB-1

CPT-3

Qa(s)

Qa

Qgt

wtr

Qa(s)

Qa(s)

Qa(s)

QlsJph(d)Qga

Qa(c)

Qvl(k)

Qgo

wtr

Qf

Qvl(k)

Qc(o)

Qa

Qc(o)

Jph(d)

Qf

Qa

Qa

Jph(d)Qa(s)

wtr

Qp

Qa

Jph(d)

wtr

Jph(d) Qgowtr

wtr

Qa(c)

UV9

UV20

UV9

9

20

Cook

State

Moore

Minkler

Jameson

Town

ship

Railroad

Borse

th

F And S Grade

Bennett

Batey

20Fil

enam

e: T:

\Proje

ct\21

-1\21

199_

Skag

it Rive

r\Av_

mxd\F

inal R

eport

\Fig_

3_Ge

ology

_.mxd

Date

: 1/23

/10 (

ATJ)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 107

January 2011 21-1-21199-001µ0 5,000 10,0002,500Feet

See Figure 2 for legend and references.NOTE

H-453-10§̈¦I5 UV20

LymanHamilton

Qa

wtrQa Qa

Qa

Jsh(s)

Qa

Qa(s)

Qgo

Qa(s)

Qvl(k)

Qa(s)

Qvl(k)

Qls

Qa

Qls Qgt

Qvl(k) Qvl(k)

Qls

Qgo(e)

Qa

Qls

Qgo

Qaf

Qgo

Ec(b)

Qaf

Qvl(k)

Qgom(e)

Qvl(k)

Qgo

Qoa(s)Qc(o)

Qga

Qvl(k)

Qoa(s)

Qgt

Qgo

Qa

Qa

QgaQgt

Qa

Qa

QgtQgom(e)

Ec(cb)

Qga

Qga

Qa

wtr

Qa

wtr

Qoa

Qa

Qa

Qoa

Qa

Qa

Qa Qa

Jph(d)

Qgpc

Qgo

QaQa(s)

Qaf

Qgo

UV20

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 108

January 2011 21-1-21199-001µ0 10,000 20,0005,000Feet

See Figure 2 for legend and references.

H-453-10§̈¦I5 UV20NOTE

Concrete

RockportQa

Qa

Qa

Qa

Qa

Qga

Qga

Qgo

Qga

Qa

Qaf

Qa

Qa

Qgo

PMDmv(c)

Qa

Qaf

Qa

Jsh(s)

Qa

Qgt

Qaf

Qgo

PMDms(c)

Qaf

Qaf

pDi(y)

PMDms(c)

Qa

Qgt

Qgt

PMDms(c)

pDi(y)

Qgo

Qafwtr Qgpc

Qgt

Qgd

PMDmv(c)

Qa

Qa

MZPZms(r)

wtr

Qgo

Qls

Qa

PMDms(c)

MZPZigb

Qa

Qls

Qa

wtrPMDms(c)

MZPZigb

Qa

PMDms(c)

MZPZms(r) MZPZms(r)

MZPZms(r)

PMDms(c)

PMDms(c)PMDms(c)

Qls

MZPZigb

MZPZigb

MZPZms(r)

MZPZigb

MZPZigb

PMDmb(c)

PMDms(c)

UV20

UV530

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 109

January 2011 21-1-21199-001µ0 10,000 20,0005,000Feet

See Figure 2 for legend and references.

H-453-10§̈¦I5 UV20NOTE

Rockport

MarblemountQa

Qa

Qa

TRiq(m)

PMDmv(c)

TRiq(m)

Qaf

Kog(c)

Qaf

Qaf

Qaf

Qgo

Jsh(s)

Jsh(s)

Qls

Qaf

TRhm(cc)

Qaf

TRPMhmc(n)

Jph(d)

Qls

wtr

TRhm(cc)

TRPMhmc(n)

Qgd

TRiq(m)

TRPMhmc(n)

Qa

TRPMhmc(n)

TRPMu(n)

TRPMhmc(n)

UV20

Filen

ame:

T:\Pr

oject\

21-1\

2119

9_Sk

agit R

iver\A

v_mx

d\Fina

l Rep

ort\Fi

g_3_

Geolo

gy_.m

xd D

ate: 1

/23/10

(AT

J)

Skagit River Levee General InvestigationSkagit County, Washington

SITE GEOLOGYAND HISTORICAL EXPLORATIONS

FIG. 4Sheet of 1010

January 2011 21-1-21199-001µ0 10,000 20,0005,000Feet

See Figure 2 for legend and references.

H-453-10§̈¦I5 UV20NOTE