Ascutney Mill Dam, Historic masonry dam in Windsor County, US
The Ascutney Mill Dam stretches 360 feet in length and rises 40 feet high, featuring granite construction with a 36-foot-thick base and 2-foot-thick crest.
Completed in 1834 under engineer Ithamar A. Beard's direction, the dam stands as one of the earliest substantial masonry structures of its type in the United States.
The dam represents a turning point in American engineering, demonstrating the transition from simple wooden structures to sophisticated masonry construction techniques.
The structure continues to regulate water flow along Mill Brook, maintaining the same water management principles established during its construction in the 1830s.
The dam's design incorporates an innovative gentle arch form, implemented by contractor Simeon Cobb, which influenced the development of future gravity-arch dams.
Location: Windsor County
GPS coordinates: 43.47667,-72.39611
Latest update: March 7, 2025 19:20
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