Digital line graphs from 1:24,000-scale maps.
Contributors: Geological Survey (U.S.)
Edition: 2nd printing (rev.)
Series: Data users guide -- 1
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1990
Place of publication: Reston, Va
Language: eng
Number of pages: 107
Subjects: Digital mapping -- Standards.
Notes: "Data users guides 1-7 generally replace the Geological Survey Circular 895"--P. [2] of cover.

"National Mapping Program technical instructions"--Cover.

"US GeoData"--Cover.