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In page Trinity Church (Boston):

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The church and parish house were designed by Henry Hobson Richardson and construction took place from 1872 to 1877, when the complex was consecrated. Situated on Copley Square in Back Bay, Trinity Church is the building that established Richardson's reputation. It is the birthplace and archetype of the Richardsonian Romanesque style, characterized by a clay roof, polychromy, rough stone, heavy arches, and a massive tower. This style was soon adopted for a number of public buildings across the United States. The stone used was Dedham Granite.[1]