Environmental systems /

Bibliographic Details
Main Author:	Smith, Robert H.
Corporate Author:	Polk County Schools (Fla.). Polk Environmental Education Resource Center
Other Authors:	Swindal, Audrey R.
Format:	Microform Book
Language:	English
Published:	[Auburndale, Fla.] : Polk Environmental Education Resource Center, 1986.
Series:	Kraus Curriculum Development library ; ENV K-031.
Subjects:	Environmental education > Activity programs. Environmental education > Florida. Outdoor education. Ecosystem. Energy. Plants. Pollution. Wildlife.

Description
Item Description:	Includes post visit activities. Grades K-6. Microform.
Physical Description:	50 pages : illustrations