Front:
Entrance to Detroit River Tunnel, Detroit, Mich.
Richard L.Aviward.
COALAN COKE
HI
UN
314
1.
INTERNACION
++
Back:
ENTRANCE TO DETROIT RIVER TUNNEL,
DETROIT, MICH.
DETROIT
The Detroit River Tunnel na JAN 5
unique distinction of being the only tumher
of this type ever, built. It was constructed M
in sections, all work being done from the
surface of the water without the use of col915
pressed air. The tunnel is operated electri-
was
1906, and completed July 1, 1910. The length
from portal to portal is 13 miles and from
summit of grade 2½ miles. It was built for
the M. C. R. R. at a cost of $8,500,000.
Dear Wilfred Did won ther.
0.
my
we would not
ہو۔
postal saying
start for home until the 15%
Jar. Please tell her to with
me, address lineatly Eleanor.
dereen Point, depert
A-17411
Grom
to ours Fr. Eody)
Dr. W. Cossette
Capon
он
میر
