![](http://www.alamy.com/thumbs/6/EC683183-6657-49B4-B2F3-8D0BE55A63BF/M6E50W.jpg)
Zurbuch. Centennial Volunteer Ambassador Hilary Grabowska poses in lower town during the Day in the Park event on National Public Lands Day 2015.
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Photo credit: © Natural History Library / Alamy / Afripics
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Keywords: america, american, conservation, country, ferry, harpers, history, land, lands, national, natural, nature, nps, park, parks, preserve, public, service, usa, widlife, wilderness