TIGER/line census files, 1990. Maryland, West Virginia.

An extract of selected geographic and cartographic information from the TIGER data base.

Bibliographic Details
Corporate Author:	United States. Bureau of the Census. Data User Services Division
Format:	Government Document
Published:	Washington, DC : U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division, [1991]
Subjects:	Digital mapping > Databases. Maryland > Maps > Databases. West Virginia > Maps > Databases.

Description
Summary:	An extract of selected geographic and cartographic information from the TIGER data base. Contains digital data for all 1990 census map features (such as roads, railroads, and rivers), feature names and classification codes, alternate feature names, the associated 1980 and 1990 census geographic area codes and FIPS (Federal Information Processing Standard) codes.
Item Description:	Title from disk label. Replaces the 1980 GBF/DIME-Files. ISO 9660 format. Shipping list number: 91-040-E. "Issued July 1991." Computer file.
Physical Description:	1 computer laser optical disk ; 4 3/4 in.
Format:	System requirements: Computer system capable of using CD-ROM drive; 640K RAM; application software, if IBM-compatible personal computer, requires also CD-ROM software, such as Microsoft CD-ROM Extensions (verson 2.0 or higher); CD-ROM drive. Disk characteristics: CD-ROM.