tufa

Isaac Kremer/ January 14, 2018/ / 0 comments

A building stone, of consolidated volcanic material, having a cellular texture, easily cut by bronze tools; used by the ancient Romans, especially for opus quadratum. Volcanic tufa forms the various hills on which Rome stands. (Harris, 1977) Photo from Detroit, Michigan, 2026.

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IsaacKremer.com is the personal website of Isaac Kremer, MSARP, a nationally recognized leader in the Main Street Approach to commercial district revitalization with over 25 years of experience. Kremer, New Jersey's first certified Main Street America Revitalization Professional (MSARP), has served as founding executive director for organizations like Experience Princeton and the Metuchen Downtown Alliance, which won a Great American Main Street Award under his leadership. He recently became director of the Royal Oak Downtown Development Authority in Michigan.

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