USA counties  [computer file]. 

 - Washington, D.C.  U.S. Dept. of Commerce, Bureau of the Census, Data User Services Division  1992- 
 - computer laser optical disks  4 3/4 in. 
 - 
 - 1992- 
<br/><br/> Disc characteristics: CD-ROM.  Title from disk label.  "A Statistical abstract supplement". 
<br/><br/> Includes all the data published for counties in the State and metropolitan area data book, 1982- ; and in the County and city data book, 1983- 
<br/><br/><br/>System requirements: Computer system capable of using CD-ROM drive; 640K; if IBM compatible personal computer, requires CD-ROM software, such as Microsoft CD-ROM Extensions (version 3.1 or higher); CD-ROM drive and hard disk. <br/>Written in ISO 9660 format. <br/>Data files written in dBase III format. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cities and towns--Statistics--Data bases--Periodicals.--United States<br/>CD-ROM Fed. Doc.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Statistics--Data bases--Periodicals.
<br/><br/><label>GPO Item No.: </label>154-B-01 
<br/><br/><label>Gov. Doc. Class. No.: </label>C 3.134/6:Un 3/