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The Detroit River Tunnel

The Detroit River Tunnel Michigan
Price:
 
$4.95

  

Stock #: 39435
Type: Postcard
Era: White Border
City: Detroit
State: Michigan (MI)
County: Wayne
Publisher: The Detroit News Company
Postmark: 1913
PM City: Detroit
PM State: MI
Stamp: 1C
Size: 3.75" x 5.5" (10 x 14 cm)

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Additional Details:
The Detroit River tunnel has the unique distinction of being the only tunnel of its type ever built. It was constructed in sections, all work being done from the surface of the water without the use of compressed air. The Tunnel is operated electrically, construction was started October 1, 1906, and completed July 1, 1910. The length from portal to portal is 1 3/4 miles, and from summit of grade 1 1/2 miles It was built by the Detroit river Tunnel company for the M. C. R. R. at a cost of $8,500,000.