<![CDATA[A placard still standing from the original surveys conducted in the early 90's. Finding these original sites was a "scavenger hunt," Freeman says. (Credit: Benjamin Freeman)]]>

678599 image 1762959555 1762959555 <![CDATA[A placard still standing from the original surveys conducted in the early 90's. Finding these original sites was a "scavenger hunt," Freeman says. (Credit: Benjamin Freeman)]]> A placard still standing from the original surveys conducted in the early 90's. Finding these original sites was a "scavenger hunt," Freeman says. (Credit: Benjamin Freeman)

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