From conservation to ecology the development of environmental concern

From conservation to ecology the development of environmental concern

Detalhes bibliográficos
Autor principal: Pursell, Carroll W.
Formato: Livro
Idioma:English
Publicado em: New York Crowell 1973.
coleção:Problem studies in American history
Assuntos:
Environmental policy > United States.
Ecology > United States.
Natural resources > United States.