[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, National Mapping Division
Physical Details
computer laser optical discs : color ; 4 3/4 in
OCLC
ocm32315307
"Software by Dataware."
Description based on: Aug. 1994; title from disc label.
System requirements: IBM PC/XT/AT or 100% compatible with 512 KB memory; one floppy disk drive; one 20 MB hard disk drive; CD-ROM drive with appropriate controller; interface cable: ISO 9660 compatible device driver.