City of Minneapolis Archives
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Minnehaha Bypass Tunnel
"From Sta. 24 to the end of the Tunnel the Sandrock in the roof was soft and caved down in some places as much as 6ft over arch" ca. 1923
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Uploaded on October 29, 2016
Minnehaha Bypass Tunnel
"From Sta. 24 to the end of the Tunnel the Sandrock in the roof was soft and caved down in some places as much as 6ft over arch" ca. 1923
838
views
0
faves
0
comments
Uploaded on October 29, 2016