Wildlands in our civilization.
Subtitle: Contributors: John Collier [and others] and participants in the discussions of the first five biennial Wilderness Conferences, 1949-1957.
Contributors: Collier, John, 1884-1968.; Sierra Club, San Francisco; Wilderness Conference
Publisher: Sierra Club
Published: 1964
Place of publication: San Francisco
Language: eng
Number of pages: 175
Subjects: Wilderness areas; Wilderness areas -- United States