CONTOUR INTERVAL 20 FEET NORTH AMERICAN VERTICAL DATUM OF 1988
7000
8000
9000
10000
QUADRA NGLE LOC ATION
Honker Bay
Antioch North
Jersey Island
Clayton
Antioch South
Brentwood
Diablo
Tassajara
Byron Hot Springs
6 00 42
00
Grid Zone Designation
î î
6
This map was produced to conform with the National Geospatial Program US Topo Product Standard, 2011. A metadata file associated with this product is draft version 0.6.1
37°52'30"
09000mE
08
6
40 0
Ma rs h Cr Interstate Route
State Route
US Route
Local Road
Ramp
4WD
X W
Interstate Route
. /
US Route
H
ANTIOCH SOUTH, CA
10S
121°45'
ROAD CLASSIFICATION
2
1000
FEET
EG FG
93000mN
41
Cr
CALIFORNIA
1
UTM GRID AND 2012 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET
North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and 1 000-meter grid: Universal Transverse Mercator, Zone 10S 10 000-foot ticks: California Coordinate System of 1983 (zone 3)
03
6
FG
30 0
40 0
80 0
80 0
Produced by the United States Geological Survey
0 60
0
1100
C
00 12
Cr
02
40 0
70 0
300
Hog Canyon
100 0
90 0
1200
6 170 000 FEET
80 0
0 10
r
0 90
0 60
0
0 80
300
50 0
e
0 10
80 0
90 0
Marsh
900
800
0 90
94
41
700
70 0
1100
H
?
H
0 70
00 12
" "
0 30 80 0
50 0
600
Syca m or
0
LEO N DR
0 10
1100
30 0
40 0
50 0
800
90 0
Dark Canyon
ars h
40 0
M
60 0
110 0
AY
"H H H " H
50 0
1200
600
MARSH CREEK RD
M a r sh
41
30 0
80 0
W
0 90
LE
ON
0 30
50 0
80 0
Ma r s h C r
300
0
0 90
Long Canyon
100 0
80 0
1000
î
40 0
90 0
94
1000
î
50 0
120 0
Marsh Creek Springs
41
EG
î
300
90 0
½¼
110 0
0 90
RY RD
800
0 80
0 70
00
î
B R IO N E S V A L L E Y R D
Cr
O N T E R R IT
100 0
900
MORGA
80 0
50 0
FEET
6
96
41
400
1200
½¼½¼ ½¼
0 80
500
40 0
100
37°52'30"
0 30
60 0
½¼
2150000
00
B AY
70 0
110 0
1200
120 0
CT
IS H
600
500
70 0
1100
LEO N
300
97
41
RD
96
90 0
Cr
S PA N
100 0
1000
80 0
100 0
Perkins Canyon
î
AM
Deer Valley
0 50
1200
55'
600
70 0
0 60
90 0
00 12 0 110
800
700
î
40 0
900
50 0
½¼
110 0
Cr
30 0
80 0 120 0
98
D ee r Cr
70 0
41
1500
41D e e r
90 0
900
Morgan Territory School
î
N AVE
1600
30 0
55'
F "
î
î
40 0
80 0
700
00 13
Sunshine Camp
99
41
200
100 0
1500
TO U R WA Y
200
40 0
60 0
80 0
0 50
90 0
DR
BALFOUR RD
20 0
0 90
1100
CHADBOURNE RD
0 90
00 15
130 0
" " H "H H H " H H H H H H " " H " " "" " H H "" " H H" H
H
30 0
0 70
00 15
00 11
160 0 1500
H
0 90
00 12
1400
LLE
H
E R IC A
1600 1300
î
î
î
20 0
110 0
60 0
50 0
Contra Costa County Jail Farm
W AT E R
300
70 0
H
H " H " " " H H " " " H H " " H "H " " HH " " H " "" H "" H H "