Front:
254
POSEY TUBE, CONNECTING OAKLAND AND ALAMEDA, CALIFORNIA
TO
OAKLAND
NOPASSINS
AR
E北
5A-H922
OAKLAND CHAMBER OF COMMERCE PHOTO
Back:
THE GEORGE A. POSEY TUBE,
is the largest pre-cast subaqueous vehicular
tube in the world, passing under the Oakland-
Alameda estuary it connects the Cities of
Oakland and Alameda. It is 4,437 feet long
and can care for 4,225 vehicles an hour. Con-
sidered one of the greatest engineering feats
in America.
STANLEY A. PILTZ COMPANY, SAN FRANCISCO, CALIF.
Pictorial Wonderland
254
ART.TONE SERIES