In the mid-1960s, two nature lovers in Rochester, New York, concocted a bold, blood-pumping challenge. Inspired by John F. Kennedy's commitment to physical fitness, Waldo Nielsen and Ralph Colt vowed ...
In 1963, Illinois naturalist May Watts, inspired by walking paths she’d seen in Britain, wrote a letter to the editor of the Chicago Tribune, suggesting converting a stretch of abandoned railroad into ...
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