1990 census of population and housing. Summary tape file 3B.

Provides census data by postal ZIP code, arranged hierarchically by ZIP code, state, and county.

Bibliographic Details
Uniform Title:	Census of population and housing (1990).
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, [1993-]
Subjects:	United States > Census, 1990 > Databases. United States > Population > Statistics > Databases. Housing > United States > Statistics > Databases.

Description
Summary:	Provides census data by postal ZIP code, arranged hierarchically by ZIP code, state, and county.
Item Description:	Title from disk label. Hierarchical file structure. Shipping list no: 93-0033-E (disks 1-2). "Issued July 1993." ISO 9660 format. Technical documentation issued Dec. 1991. Documentation covers summary tape files 3A, 3B, 3C, and 3D for all states. "CD90-3B-01"--Disk 1. "CD90-3B-02"--Disk 2. "CD90-3B-03"--Disk 3. Computer file.
Physical Description:	computer laser optical disks ; 4 3/4 in.
Format:	System requirements: Computer system capable of using a CD-ROM drive; if IBM PC or compatible, requires MS-DOS 3.1 or higher, DOS file manager software (e.g., Microsoft CD-ROM Extensions 2.0 or higher); if system other than IBM PC or compatible (such as Apple Macintosh), requires appropriate retrieval software for ISO 9660 CD-ROMs (software included on the disk will run only on an MS-DOS PC); 640K RAM; CD-ROM drive. Disk characteristics: CD-ROM. Written in dBase III+ format.