Peter Madzik
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Thoreau's Walden Pond, Massachusetts. Aerial photo from Aerial America. http://www.smithsonianchannel.com/site/sn/show.do?episode=137817#images

Thoreau's Walden Pond, Massachusetts. Aerial photo from Aerial America. http://www.smithsonianchannel.com/site/sn/show.do?episode=137817#images