Dietrich Werner 2009

The CHHS remembers founder Dietrich Werner.

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The Society is a 501(c)(3) charitable organization.


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Local history, contemporary art.

The Century House Historical Society is a not-for-profit educational organization dedicated to the preservation of industrial history of the Rosendale natural cement region. The Society is located at the Snyder Estate in New York’s historic Hudson Valley, at 668 Route 213, Rosendale NY, 12472


The normal site hours are 10AM to 4PM for self guided tours daily. The Museum is currently closed until May 2025. When the mine freezes over, the site will be closed until the spring thaw.

Visiting the site is free for members, all others please leave a donation!


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The Snyder Estate Natural Cement Historic District is listed on the National Register of Historic Places.
The Society is chartered by the New York State Education Department.