The Penobscot Building Annex is a 23-story, 94.49 m (310.0 ft) office skyscraper located at 144 West Congress Street in Downtown Detroit, Michigan. This portion of the Penobscot Block is now physically connected to the newer Penobscot Building Tower.
The Penobscot Building Annex is a 23-story, 94.49 m (310.0 ft) office skyscraper located at 144 West Congress Street in Downtown Detroit, Michigan. This portion of the Penobscot Block is now physically connected to the newer Penobscot Building Tower.
Source: Wikipedia "Penobscot Building Annex" · CC BY-SA 4.0
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