A curriculum unit on the conservation of natural resources
By: prepared by members of the co-operating group of the Committee on Rural Education, California School Supervisors Association, Northern Section.
Series: Bulletin of the California State Dept. of Education,; v. 21, no. 1
Publisher: California State Dept. of Education
Published: 1952
Place of publication: Sacramento
Language: eng
Number of pages: 79
Subjects: Natural resources -- Study and teaching.