Front:
Approach and Entrance to Detroit River Tunnel, Detroit, Mich.
Back:
SOUVO
၁၆
CHROME
SUPERIOR
QUALITY
FOREIGN-
1304 THE DETROIT RIVER TUNNEL,
has the unique distinction of being the only
tunnel of its type ever built. It was construct-
ed in sections, all work being done from the
surface of the water without the use of com-
is
October
and completed July 1, 1910. The length from
portal to portal is 134 miles, and from summit
of grade 272 miles. It was built by the De-
troit River Tunnel Company for the M. C.
R. R. at a cost of $8,500,000.
pressedonstructione tannstarse a peratede electrical
THIS SPACE MAY BE USED FOR MESSAGE
