Water quality educator.
Contributors: LaMotte Company.
Publisher: LaMotte Company
Place of publication: Chestertown, Maryland
Subjects: Water quality -- Measurement -- Study and teaching.
Notes: System requirements for CD-ROM: any Macintosh II computer; 8 bit color monitor recommended; CD-ROM drive; HyperCard 2.1 or HyperCard Player; QuickTime system extension in active system folder.

SHORT CIRCULATION RECORD.