Front:
602
LIBERTY BRIDGE AND ENTRANCE TO TUNNELS, SHOWING THE INCLINES, PITTSBURGH, PA.
SA-H233
Back:
Liberty Bridge and Tunnel, over a mile long
at south end of bridge, cut through solid rock
at cost of over $7,000,000.
MINSKY BROS. & CO., PUBLISHING DIVISION, PITTSBURGH, PA
"C.T.ART-COLORTONE REG.U.S. PAT.OFF.
colo
