A User's manual for a method of map scanning and digital editing for thematic map production and data-base construction
By: by David R. Soller ... [et al.].
Contributors: Soller, D. R.
Series: U.S. Geological Survey circular ;; 1054
Publisher: U.S. G.P.O.; Free on application to the Books and Open-File Reports Section, U.S. Geological Survey
Published: 1990
Place of publication: Washington, D.C; Denver, CO
Language: eng
Number of pages: 38
Subjects: Digital mapping.; Scanning systems.
Notes: Includes bibliographical references (p. 35).