TOPOGRAPHIC DATA

Information

Source

Obtainable

Comments

Branch of

Index and quadrangle maps

A map should be ordered by name, series, and

Distribution

for the eastern U.S. and

state.

Mapping of an area is commonly

U.S. Geological

for states west of the

available at two different scales.

The

Survey

Mississippi River,

quadrangle name is, in some instances, the

Maps Sales

including Alaska, Hawaii,

same for both maps; where this occurs, it is

Box 25286, Federal

and Louisiana.

Other

especially important that the requestor

Center

scales are available.

specify the series designation, such as 7.5

Denver, CO 80225

minute (1:24,000), 15 minute (1:62,500), or

(303) 236 7477

two degree (1:250,000).

Commercial map

Topographic and geologic

Commercial map supply houses often have full

supply houses

maps.

state topographic inventories that may be

out of print through national distribution

centers.

Topographic Database

A variety of topography

The data were attained from U.S. government

National Geophysical

and terrain data sets

agencies, academic institutions, and private

Data at NOAA

available for use in

industries.

Code E/GCI

geoscience applications.

325 Broadway

Boulder, CO 80303

(303) 497 6764

U.S. Geological

This database contains

Printouts and searches are available on a

Survey Topographic

descriptive information

cost recovery basis.

Map Names Database

and official names for

Attn. of Chief:GNIS

approximately 55,000

USGS

topographical maps

523 National Center

prepared by the USGS,

Reston, VA 22092

including out of print

(703) 648 4544

maps.

Data includes the

names of topographic maps,

along with SE coordinates

of the states in which

they are located.

U.S. Geodata Tapes

These computer tapes

Tapes are available for the entire US,

Dept. of the

contain cartographic data

including Alaska, and Hawaii, and are sold

Interior

in digital form.

They are

in 4 thematic layers:

boundaries,

Room 2650

available in two forms.

transportation, hydrography and US Public

18th & C Sts., NW

The graphic form can be

Land Survey System.

Each of the four layers

Washington, DC 20240

used to generate computer 

can be purchased individually.

US Geodata

(202) 208 4047

plotted maps.

The

tapes can be ordered through Earth Science

topologically structured

Information (ESIC) Center, as well as

form is suitable for input

through the following ESIC offices.

to geographic information

Anchorage, AK   (907) 786 7011; Denver, CO  

system for use in spatial

(303) 236 7477 and 7476; Menlo Park, CA  

analysis and geographic

(415) 329 4309; Reston, VA   (703) 860 6045;

studies.

Rolla, MO   (314) 341 0851; Salt Lake City,

UT   (801) 524 5652; Spokane, WA   (509)

456 2524; and Stennis Space Center, MS  

(601) 688 3541 or (601) 353 2524.

A4 5

November 1992