100, 122 Randolph Ave., Milton, Massachusetts. County/parish: Norfolk.
Added to the National Register of Historic Places February 13, 1975. NRIS 75000290.
1 contributing structure.Gov. Thomas Hutchinson's Ha-ha is a historic ha-ha at 100–122 Randolph Avenue in Milton, Massachusetts, United States. Probably built about 1771, it is the only surviving structure of the once-extensive estate of Thomas Hutchinson, the last civilian colonial governor of the British Province of Massachusetts Bay, and one of the few examples of an early ha-ha in North America. It was added to the National Register of Historic Places in 1975, and is a contributing property to the Milton Hill Historic District.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/63796446