Portfolio on the national park and monument system
By: [issued by the American planning and civic Association.
Published: 1938
Place of publication: Washington, D.C
Language: eng
Subjects: National parks and reserves -- United States.
Table of contents: title: pt. 1. What are national parks?; title: pt. 2. Conservation of nature.; title: pt. 3. Preservation of history.; title: pt. 4. Facilities and services.