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1:100,000-scale DLG data, hydrography/transportation /

Contains 1:100,000-scale digital line graph hydrography and transportation data for the conterminous United States and Hawaii.

Bibliographic Details
Corporate Author: Earth Science Information Center (U.S.)
Format: Government Document Book
Published: Reston, VA : The Center, 1991-
Subjects:
Hydrography > United States > Databases.
Transportation > United States > Databases.
Description
Summary:Contains 1:100,000-scale digital line graph hydrography and transportation data for the conterminous United States and Hawaii.
Item Description:Title from disk label.
Title on container: 1:100,000-scale digital line graph (DLG) data, hydrography and transportation.
"US GeoData, optional format"--Disk label.
"March 1991"--Disk label.
Computer file.
Physical Description:computer laser optical disks : color ; 4 3/4 in.
Format:System requirements: IBM PC/XT or other compatible computer; 640KB RAM; MS-DOS version 3.1 or later; Microsoft MSCDEX version 2.0 or later; EGA display card; CD-ROM drive.