Man & nature in the national parks
Subtitle: reflections on policy
By: [by] F. Fraser Darling [and] Noel D. Eichhorn.
Contributors: Eichhorn, Noel D., joint author.; Conservation Foundation.
Edition: 2d ed.
Publisher: Conservation Foundation
Published: 1969
Place of publication: Washington
Language: eng
Number of pages: 86
Subjects: National parks and reserves -- United States.