Environmental systems
By: Robert H. Smith and Audrey R. Swindal.
Contributors: Swindal, Audrey R.; Polk County Schools (Fla.). Polk Environmental Education Resource Center.
Series: Kraus curriculum development library -- ENV K-031.
Publisher: Polk Environmental Education Resource Center
Published: 1986
Place of publication: [Auburndale, Fla.]
Language: eng
Format: Microform
Number of pages: 50
Subjects: Environmental education -- Activity programs; Environmental education -- Florida; Outdoor education
Notes: Includes post visit activities.

Grades K-6.

Microfiche. Millwood, N.Y. : Kraus International Publications, 1991. 2 microfiches. (Kraus curriculum development library ; ENV K-031).