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Computer file
1990 census of population and housing. summary tape file 3B
Census of population and housing (1990). Summary tape file 3B.
- Available as
- Physical
- Summary
-
Provides census data by postal ZIP code, arranged hierarchically by ZIP code, state, and county.
Details
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- Format
- Computer file
- Language
- No linguistic content
- Publication
-
- [Aug. 1993 version]
- Washington DC : U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division, [1993-]
- Physical Details
-
- computer laser optical disks ; 4 3/4 in
- OCLC
- ocm29013838
- Title from disk label.
- Hierarchical file structure.
- "Re-Issued August 1993."
- ISO 9660 format.
- Technical documentation issued Dec. 1991. Documentation covers summary tape files 3A, 3B, 3C, and 3D for all states.
- "CD90-3B-03"--Disk 3.
- 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.
- 1. ZIP code areas 0,1,2,3 -- 2. ZIP code areas 4,5,6 -- 3. ZIP code areas 7,8,9