Diving into oceans /

Bibliographic Details
Format:	Microform Book
Language:	English
Published:	Washington, D.C. : National Wildlife Federation, 1988.
Series:	Ranger Rick's naturescope ; v. 4, no. 2. Kraus Curriculum Development library ; ENV K-029.
Subjects:	Oceanography > Study and teaching (Elementary) Marine pollution > Study and teaching (Elementary) Marine biology > Study and teaching (Elementary) Conservation/preservation. Ecosystem. Environmental impact. Natural environment. Natural resources. Pollution. Technology.

Description
Item Description:	Cover title. Includes ocean index to issues of Ranger Rick. Microform.
Physical Description:	68 pages, 1 unnumbered page : illustrations ; 28 cm.
Audience:	Grades K-12.
Bibliography:	Bibliography: pages 67-68.