1990 census of population and housing
Subtitle: Summary tape file 1B : Puerto Rico
Publisher: U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division
Published: 1994
Place of publication: Washington, DC
Format: [computer file]
Subjects: Housing; Statistics; Databases; Census, 1990; Population
Work titles: Census of population and housing (1990) Summary tape file 1B
Description: Selected block-level data from Summary tape file 1B. Population items include total population and age (under 18 and 65 and over). Housing items include number of housing units, tenure, room density, mean contract rent, mean value, and mean number of rooms in housing unit.
Notes: Title from disk label.

Hierarchical file structure.

Shipping list no.: 94-0022-E.

"Issued April 1994."

ISO 9660 format.

"CD90-1B-PR."

Issued also on computer tapes.

System requirements: Computer system capable of using a CD-ROM drive; if IBM PC or compatible, requires MS-DOS 3.3 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.