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Index/Locations/Washington Avenue

Washington Avenue

Major thoroughfare in Minneapolis, Minnesota, USA

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2 results
Jan 24, 2026
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We're there tunnels found in minneapolis

Yes — has numerous real tunnels: and sandstone caves under the riverfront, municipal stormwater and utility tunnels, a 20th‑century highway tunnel, and many smaller pedestrian and railroad underpasses...

Jan 27, 2026

What historical tunnels exist beneath Minneapolis and how have they affected nearby properties?

sits atop a layered subterranean history: 19th‑century milling tailraces and caverns carved into St. Peter sandstone that powered flour mills, an infamous that threatened the falls and surrounding ind...