97°22'30"

THREE ISLANDS QUADRANGLE

U. S. GEOLOGICAL SURVEY

TEXAS 7.5-MINUTE SERIES

6

63000mE

26°22'30"

29

U.S. DEPARTMENT OF THE INTERIOR

6

6

64

6

65

66

20'

6

70

69

68

17'30"

6

6

6

67

73

72

71

97°15' Los Bencos de en

6

6

6

1 390 000 FEET

000m

18

N

26°22'30"

Los Bencos de en Medio

Los Bencos de en Medio

29

18

El Morro Island 16 660 000

PAD

29

17

FEET

RE

Colorado Island

10

29

17

McGilvery Island

29

16

uto ado C

ff

10

RinconBuenaVista A ISL

or o Col A r ro y

20

C

AY

SO

N

29

16

20

10

O

20

A AT

SC

ND

t in o P

th or

WorthPoint

O

29

15 29

Islan d

15

29

14

10

10 29

14

se

10

20'

10

Hor

20'

I NT RA

10

AS CO

20

10

20

29

TA L

13

L

30

29

13

Y WA

A

TER WA

Rattlesnake Island

10

10

G

10 29

12 10

29

12

U

Heron Island

RED HEAD COVE

10

N

Isl an d

10

10

A

20

29

Yu cc

a

11

29

11

Bluff

10

Head

10

29

10

29

10

10

10

Red

10

17'30"

M

Caballo Island

17'30" 29

09

A

10

D

10

29

08 20

R

10

08

E

ds an l s I 10

Townsite Point

29

07

29

Primero Island

10

Medio Island

e re Th 29

07

10

o jard Gua

Ultimo Island

B U E N A V IS T A B LV D

de

29

06

on 20 Rinc 29

06

16 620 000 20

1

0 FEET

EL 10

20

20

CAYO

26°15'

ATASCOSO 6

97°22'30"

ITO

REAL

63

El

a ul ns i n Pe

B AY 20

05000mN

29

to ali e R

Rancho Buena Vista Airport

10 6

1 360 000 FEET 665

64

Buena Vista Produced by the United States Geological Survey Ranch North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and 1 000-meter grid: Universal Transverse Mercator, Zone 14R 10 000-foot ticks: Texas Coordinate System of 1983 (south zone)

6

66

6

20'

70

69

6

6

6

6

68

17'30"

72

71

74000mE

26°15'

6

6

73

97°15'

10

ROAD CLASSIFICATION

SCALE 1:24 000 1

MN

GN

4° 35´ 82 MILS

0.5

1000

KILOMETERS

0

500

1

0° 45´ 13 MILS

0

1 1000

METERS 0

0.5

2

TEXAS

2000 1

MILES 1000

Imagery......................................................NAIP, April 2008 Roads.....................................US Census Bureau TIGER data with limited USGS updates, 2006 Names...............................................................GNIS, 2008 Hydrography.................National Hydrography Dataset, 1995 Contours............................National Elevation Dataset, 2009

6

67

UTM GRID AND 2010 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET U.S. National Grid

0

1000

2000

3000

4000

Grid Zone Designation

14R

Local Road

Ramp

4WD Interstate Route

5000

6000

7000

FEET

8000

9000

10000

State Route

US Route

QUADRANGLE LOCATION

Hawk Island

Green Island

North of Port Isabel NW

La Leona

Three Islands

North of Port Isabel SW

Laguna Atascosa

La Coma

CONTOUR INTERVAL 10 FEET

100,000-m Square ID

PQ

Interstate Route US Route

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

Port Isabel NW

ADJOINING 7.5' QUADRANGLES TX 2697-131

THREE ISLANDS, TX 2010

State Route