An Enhanced digital line graph design
Subtitle: a feature-beased data model for digital spatial data bases that represent geographic phenomenon
By: Stephen C. Guptill, editor ; Kenneth J. Boyko ... [et al.] contributing authors.
Contributors: Guptill, Stephen C.; Boyko, Kenneth J.
Series: U.S. Geological Survey circular -- 1048
Publisher: Dept. of the Interior
Published: 1990
Place of publication: Washington, DC
Language: eng
Subjects: Digital mapping.
Notes:  90038767  t_oclc

Bibliogr.

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