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shaneknu t1_j6l0i7d wrote

Would you happen to have any more information on that? Looking around, I'm seeing these two photos.

From 1917:

https://www.shorpy.com/node/10986

and From 1977:

https://ghostsofbaltimore.org/2014/03/03/1977-aerial-photos-baltimore-penn-station/

This post claims 1915: https://blogs.ubalt.edu/skemp/history-of-the-jones-falls/

"The Jones Falls from just upstream of Penn Station to the Inner Harbor at the location of the present National Aquarium was placed in three massive tunnels and is still there today. Dedicated in 1915, the Jones Falls Conduit solved the problems of flooding for the downtown area and removed what had been a polluted cesspool from view."

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