Slabsides is the log cabin built by naturalist John Burroughs and his son on a nine-acre (3.6 ha) wooded and hilly tract in 1895 one mile (1.6 km) east of Riverby, his home in West Park, New York.
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After his death in 1921, the property was presented to the John Burroughs Association, which had just been formed to preserve his legacy.