3650

3600

20

20

20

M ID D L E IS L A N D

R D

J E S S H A R R IS R D

B O R D E R D R A IN

W IN G O R E S E R V E R D

R C E L A M R D

W IN G O R E S E R V E R D

G U A D A L U P E L AT E R A L

B E L L ' S R D

A L A M E D A A V E

H A N S O N R D

B IL L S R D

M ID D L E IS L A N D

R D

S U M M E R S R D

IS L A N D

R D

W IN G O R E S E R V E R D

W IN G O R E S E R V E R D

IS L A N D

G U A D A L U P E R D

IS L A N D R D

IS L A N D G U A D A L U P E

R D

W IL S O N R D

H A N S O N R D

20

20

20

M ID D L E IS L A N D

R D

J E S S H A R R IS R D

B O R D E R D R A IN

W IN G O R E S E R V E R D

R C E L A M R D

W IN G O R E S E R V E R D

G U A D A L U P E L AT E R A L

B E L L ' S R D

A L A M E D A A V E

H A N S O N R D

B IL L S R D

M ID D L E IS L A N D

R D

S U M M E R S R D

IS L A N D

R D

W IN G O R E S E R V E R D

W IN G O R E S E R V E R D

IS L A N D

G U A D A L U P E R D

IS L A N D R D

IS L A N D G U A D A L U P E

R D

W IL S O N R D

H A N S O N R D

UPPER TORRILLO

DRAIN

Rio Grande

Rio Grande

Rio

Gra

nde

Rio Grande

Fabens

TornilloSpur

Isla

UNITED STATES OF AMERICA

ESTADOS UNIDOS MEXICANOS

San

Elizario Island

Guadalupe

Bridge

Clint San

Elizario

Isla Tornillo

Clint SE

106°07'30"

27'30"

25' 25'

27'

31° 22'

106°

30'

10'

30'

30"

30"

15'

31° 30"

30"

22'

12'

31°

30"

15' 12'

30"

106°

106° 10' 07'

31°

10 550 000

480 000 FEET

10 520 000

E

3

3 3 3

34

000m

34

3

34

34

000m 3

34

3

34

3 3

3

3

000m

34

34

3

34

34

3

3

34

000m

34

34

3

34

34

3

34

3 3 3 3

34

34

34

34

34

34

34

34

34

34

85

84 87 88 89

73

N

83

83

80

E

92

83

88

73

84

85

92

84 87

75

74

76

82

90

83

77

79

72

78

91

90

82

84

N

86

91

72

82

85 86

79

82

76

81

78

80

75

77

FEET

FEET

460 000 FEET

U.S. DEPARTMENT OF THE INTERIOR

U. S. GEOLOGICAL SURVEY

TEXAS

ADJOINING 7.5' QUADRANGLES

QUADRANGLE LOCATION

TX 31106-143

ISLA, TX-CHH

2010

Interstate Route State Route

ROAD CLASSIFICATION

Interstate Route US Route State Route

Ramp 4WD

US Route Local Road

ISLA QUADRANGLE

TEXAS-CHIHUAHUA

7.5-MINUTE SERIES

Zone 13R

Imagery.............................................NAIP, September 2008

Roads.....................................US Census Bureau TIGER data

with limited USGS updates, 2004

Names...............................................................GNIS, 2008

Hydrography.................National Hydrography Dataset, 1995

Contours............................National Elevation Dataset, 2005

North American Datum of 1983 (NAD83)

World Geodetic System of 1984 (WGS84). Projection and

1 000-meter grid: Universal Transverse Mercator,

Produced by the United States Geological Survey

10 000-foot ticks: Texas Coordinate System of 1983

(central zone)

1000 500 0 METERS 1000 2000

1000 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000

FEET

This map was produced to conform with version 0.5.10 of the

draft USGS Standards for 7.5-Minute Quadrangle Maps.

A metadata file associated with this product is also draft version 0.5.10

SCALE 1:24 000

1 0.5 0 1

MILES

MN

1 0.5 0 KILOMETERS 1 2

GN

UTM GRID AND 2010 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET

0° 37 ́

11 MILS

8° 48 ́

157 MILS

U.S. National Grid

100,000-m Square ID

Grid Zone Designation

13R

CQ

CONTOUR INTERVAL 10 FEET