The National Parks: America's best idea?

Costs, as well as benefits, flowing from the public's enjoyment of their national parks became increasingly evident and management issues throughout the system took a variety of forms, including automobile congestion, air pollution, snowmobile controversies and overflights in the Grand Canyon,...

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Veröffentlicht in:Parks & recreation (Arlington, Va.) Va.), 2016-08, Vol.51 (8), p.44
Hauptverfasser: Dustin, Daniel L, Bricker, Kelly S, Brownlee, Matthew T, Schwab, Keri A
Format: Magazinearticle
Sprache:eng
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