Pittsburg

668+

00

664+

00

662+

00

672+

00

666+

00

670+

00

674+

00

676+

00

678+

00

682+

00

680+

00

684+

00

720+00

700+00

704+00698+00

716+00

714+00

696+00

708+00

694+00

692+00

688+00

722+00

690+00

710+00

706+00

718+00

702+00

712+00

686+00

wreckshowing anyportion of h

dangerouswreck

70

6,584,115

6,584,115

6,587,115

6,587,115

6,590,115

6,590,115

1,776

,787

1,776

,787

1,779

,787

1,779

,787

121°54'10"W

121°54'10"W

121°54'20"W

121°54'20"W

121°54'30"W

121°54'30"W

121°54'40"W

121°54'40"W

121°54'50"W

121°54'50"W

121°55'0"W

121°55'0"W

121°55'10"W

121°55'10"W38

°3'0"

N

38°3'

0"N

38°2'

50"N

38°2'

50"N

38°2'

40"N

38°2'

40"N

38°2'

30"N

38°2'

30"N

COMP

OSITE

SURV

EYS

PRED

REDG

E - 29

-30 JU

LY 20

14

POST

DRED

GE - 1

0 SEP

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14

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furnis

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these

data

and t

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with

the ex

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for a

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hall b

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anyo

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data.

The

recip

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Disc

laime

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CORPS OF ENGINEERS U.S. ARMY

VICINITY MAP

Federal Navigation ChannelShoaling AreaPlacement AreaAnchorage AreaWreck Areaçè Submerged Wreck

G! Angle Point

Beacon, General¾ Obstruction PointX( Navigation BuoyX(

Navigation Buoy! Shoalest Sounding*

Contours-35-34-33-32-31

q CALIF

ORNI

ACO

NTRA

COS

TA C

OUNT

Y

SUISU

N BA

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NNEL

San Francisco District1455 Market StreetSan Francisco, CA 94103

q 0 1.5 3 4.5 60.75Miles

Distrib

ution

Liab

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he da

ta rep

resen

ts the

resu

lts of

data

colle

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/proc

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a spe

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and i

ndica

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eral e

xistin

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such

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only

valid

for it

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nded

use,

conte

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accu

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pecif

icatio

ns. T

he us

er is

respo

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the re

sults

of an

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NOTES:HORIZONTAL COORDINATE SYSTEM:NORTH AMERICAN DATUM OF 1983 (NAD83), PROJECTED TO THE STATE PLANE COORDINATESYSTEM (SPCS), CALIFORNIA ZONE II. DISTANCE UNITS IN U.S. SURVEY FEET.VERTICAL DATUM:SOUNDINGS ARE SHOWN IN FEET AND INDICATE DEPTHS BELOW MEAN LOWER LOW WATER.THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF A SURVEYCONDUCTED ON THE DATE INDICATED AND CAN ONLY BE CONSIDERED TO REPRESENT THEGENERAL CONDITION EXISTING AT THAT TIME.PLANE GRID, BEARING AND COORDINATES ARE BASED ON THE STATE OF CALIFORNIA COORDINATESYSTEM,LAMBERT CONFORMAL PROJECTION, ZONE II NAD 83,CALIFORNIA, AS DESCRIBED IN SPECIAL PUBLICATION NO. 235, PUBLISHED BY NATIONAL OCEANSURVEY.BASE MAPS ARE USDA NAIP 2010.PREDREDGE 29-30 JULY 2014STA. 0+00 TO 58+00, 361+00 TO 733+45POSTDREDGE 10 SEPTEMBER 2014STA. 59+00 TO 360+00

Surve

yed B

y:

Plotte

d By:

PREP

ARED

UND

ER TH

E DIR

ECTIO

N OF

Chart

Date

:

Desig

ned b

y:

Draw

n by:

JOHN

C. M

ORRO

W

Chief

, Con

struc

tion B

ranch

Chief

, Hyd

ro Su

rvey S

ectio

n

Subm

itted:

Reco

mmen

ded:

Appro

ved:

Sep 1

6, 20

14LT

. COL

ONEL

, C.E.

, DIST

RICT

ENGI

NEER

Hydro

Surve

y Tea

m Le

ader

THIS PLAN ISSUED FORADVANCE INFORMATION ONLY

PRELIMINARY ISSUE

PDT

PDT

PDT

DRAWING NOT TO BE USED FOR NAVIGATION, ONLY CHANNEL CONDITION AT DATE OF SURVEY.THE LOCATION OF ALL NAVIGATION AIDS ARE BASED ONINFORMATION PROVIDED BY THE U.S. COAST GUARD. BUOY LOCATIONS REPRESENT THE POSITION OF THE SINKER ONLY.SURVEYED BY THE CORPS OF ENGINEERS.SOUNDINGS WERE TAKEN BY FATHOMETER AND ARE SHOWN TO THE NEAREST TENTH OF A FOOT.SOUNDINGS ARE BASED ON THE DATUM OF MEAN LOWER LOW WATER AT THE LOCALITY.THE PROJECT DEPTH IS 35 FEET.VERTICAL CONTROL:SUISUN BAY CHANNEL(LINES 00+00 TO 160+00) BENCHMARK "9" (1948), USC&GS DISKELEV 14.875 FT MLLW., NAVD 88 DATUM.TIDE GAUGE LOCATED AT PORT OF BENICIA DOCK.(LINES 150+00 TO 500+00) BENCHMARK "5144-P" (1990 RESET 1997),(LINES 500+00 TO 660+00) BENCHMARK "5144-P" (1990 RESET 1997),USC&GS DISK, ELEV 11.83 FT MLLW., NAVD 88 DATUM.TIDE GAUGE LOCATED AT CONCORD NAVAL WEAPONS STATION TUG DOCK, NOAA STATION.(LINES 660+00 TO 733+45) BENCHMARK "5096-B",USC&GS DISK, ELEV 21.76 FT MLLW., NAVD 88 DATUM.TIDE GAUGE LOCATED AT DIABLO SERVICE DOCK.HORIZONTAL GPS CONTROL: COAST GUARD D-BEACON

0 400 800 1,200200Feet

1:2,4001 inch = 200 feetAbsolute ScaleRelative Scale (ANSI D 22x34)

aFLOOD

bEBB

12