From conservation to ecology the development of environmental concern

From conservation to ecology the development of environmental concern

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Pursell, Carroll W.
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: New York Crowell 1973.
Sraith:Problem studies in American history
Ábhair:
Environmental policy > United States.
Ecology > United States.
Natural resources > United States.