Funnily enough found this place (which is probably well known to anyone in MN) searching for Phalen Creek Tunnels.

View from my entry point

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Ladder attached to smokestack (tight squeeze even for me!)

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Large open room, not sure of use

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Big ole hook

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Some artifacts from earlier visitors

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Entrance to smokestack (elected to not enter as it makes breathing not fun)

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Small junction with open locker

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Protective suits of some sort spilling from said locker

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Crazy find of an intact toilet, unheard of as the building is mostly vandalized

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Newspaper from 2004 (which probably doesn't seem very old to the boomers on here)

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