A documentary history of conservation in America.
By: Edited by Robert McHenry, with Charles Van Doren. Introd. by Lorus and Margery Milne.
Contributors: Van Doren, Charles Lincoln, 1926- joint comp.
Publisher: Praeger
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 422
Subjects: Conservation of natural resources -- United States -- History -- Sources; Ecology -- United States -- History -- Sources