Digital line graphs from 1:2,000,000-scale maps
Subtitle: data users guide.
Contributors: Geological Survey (U.S.)
Series: Data users guide -- 3
Publisher: United States, Dept. of the Interior, U.S. Geological Survey; U.S. G.P.O.
Published: 1987
Place of publication: Reston, Va
Language: eng
Number of pages: 71
Subjects: Digital mapping; Computer graphics; Graphic methods
Other titles: USGeoData digital line graphs from 1:2,000,000-scale maps.
Notes: "National Mapping Program"--Cover.

Title on cover: USGeoData digital line graphs from 1:2,000,000-scale maps.

"Data users guides replace Geological survey circulars 895 B-G".