The National map
Subtitle: topographic maps for the 21st century
Contributors: Geological Survey (U.S.)
Series: USGS fact sheet -- 018-02; Fact sheet (Geological Survey (U.S.)) -- FS-02-018.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2002
Place of publication: [Reston, Va.?
Language: eng
Subjects: Geographic information systems -- United States; United States -- Maps, Topographic -- Databases
Genres: Maps, Topographic; Databases.
Other titles: Topographic maps for the 21st century; National map.
Notes: Caption title

"February 2002"--P. [1]

Shipping list no.: 2003-0188-P

Also available via Internet in PDF and HTML formats from the USGS web site. Address as of 06/30/2003: http://water.usgs.gov/mac/pubs/factsheets/fs01802; current access is available via PURL