GSDIG version 2.0
Subtitle: a program to determine latitude/longitude coordinates, and GSDXY version 1.0 a counterpart program to determine X, Y coordinates, using a microcomputer (IBM PC or compatible) and digitizer
By: by Gary I. Selner, Cole L. Smith, and Richard B. Taylor.
Contributors: Smith, Cole L.; Taylor, Richard B.; Geological Survey (U.S.)
Series: Open-file report -- 88-428-A; U.S. Geological Survey open-file report -- 88-428..
Publisher: U.S. Dept. of the Interior, Geological Survey; [Books and Open-file Reports Section, distributor]
Published: 1988
Place of publication: [Denver, Colo.?]
Language: eng
Format: Microform
Subjects: Computer graphics.; Geological mapping.
Other titles: Program to determine latitude/longitude coordinates, and GSDXY version 1.0 a counterpart program to determine X, Y coordinates, using a microcomputer (IBM PC or compatible) and digitizer
Notes: "Open file report 88-428B program disk (one disk)."

Includes bibliographical references (leaf 17).