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: U.S. G.P.O.
Published: 1990
Place of publication: Washington, D.C
Language: eng
Subjects: Digital mapping.
Notes: Includes bibliographical references.