NEED : pre-site lessons, fifth/sixth grade : a National Park Service program /

Bibliographic Details
Corporate Authors:	Educational Consulting Service (Calif.), United States. National Park Service
Format:	Book
Language:	English
Published:	[Orinda, Calif.] : The Service, [1969]
Subjects:	Human ecology. Nature > Effect of human beings on. Environmental protection.

Description
Item Description:	On cover: National environmental education development.
Physical Description:	58 unnumbered pages : illustrations (some color) ; 28 cm. + teacher's guide.