Natural areas--needs and opportunities
Subtitle: proceedings of a symposium held at Northwest Scientific Association forty-third annual meeting, Salem, Oregon, March 27-28, 1970.
By: Edited by William J. Dittrich and James M. Trappe
Contributors: Dittrich, William J; Trappe, James Martin, 1931-
Publisher: [Continuing Education Publications
Published: 1970
Place of publication: Corvallis, Oregon
Language: eng
Number of pages: 54
Subjects: Human geography; Conservation of natural resources
Notes: Includes bibliographies