Iron Block

205 E. Wisconsin Ave., Milwaukee, Wisconsin. County/parish: Milwaukee.

Added to the National Register of Historic Places December 27, 1974. NRIS 74000105.

1 contributing building.

From Wikipedia:

Iron Block Building (Milwaukee, Wisconsin)

The Iron Block Building is a five-story commercial structure with a cast-iron exterior built in 1860 in Milwaukee, Wisconsin. In 1974 it was added to the National Register of Historic Places - the only surviving building in Milwaukee with a cast iron skin - a common technique from 1850 to 1870.

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National Park Service documentation: https://catalog.archives.gov/id/106781678

LC