Front:
MAM
DUMBARTON DRAWBRIDGE,
Six Steel Spans 180 Feet Each.
Required Three Years to Build.
Connects Newark and Redwood City. Main Draw 310 Feet Long
Built by Southern Pacific Co.
Bridge Double Tracked.
EB
E
Back:
Post
Card
Message
30-
Address
STAMP
ARDELL & O'NEILL SAN FRANCISCO
20
