Second World Conference on National Parks - Yellowstone and Grand Teton National Parks, U.S.A., September 18-27, 1972 : proceedings of a conference sponsored and organized by the National Parks Centennial Commission of the United States of America, the National Park Service of the U.S. Department of the Interior, and the International Union for Conservation of Nature and Natural Resources

Författare
United States International Union for Conservation of Nature and Natural Resources National Parks Centennial Commission Hugh Elliott World Conference on National Parks 1972) Yellowstone National Park : Grand Teton National Park :
(Edited by Hugh Elliott.)
Genre
Konferenser, Konferenspublikation, Ej skönlitteratur
Språk
Engelska
Förlag År Ort Om boken ISBN
International Union for Conservation of Nature and Natural Resources for the National Parks Centennial Commission 1974 Schweiz, Morges 504 sidor.